Jun Yu

Publication List Details

Period

1991 - 2009

Number

358

Co-Authors

Research on Artificial Psychology Based on Multimodal Interactive Service Robot (2009)

Jun Yu, Zhiliang Wang, Lun Xie, Yongxiang Xia

Abstract—In the field of human robot interaction (HRI), providing robot with emotions and psychology like human can be useful to achieve natural interaction. Previous HRI research focused on issues...

γ-MYN: a new algorithm for estimating Ka and Ks with consideration of variable substitution rates (2009)

Wang, Da-Peng, Wan, Hao-Lei, Zhang, Song, Yu, Jun

Abstract Background Over the past two decades, there have been several approximate methods that adopt different mutation models and used for estimating nonsynonymous and synonymous substitution rates...

Genome evolution driven by host adaptations results in a more virulent and antimicrobial-resistant Streptococcus pneumoniaeserotype 14 (2009)

Ding, Feng, Tang, Petrus, Hsu, Mei-Hua, Cui, Peng, Hu, Songnian, Yu, Jun, ...

Abstract Background Streptococcus pneumoniae serotype 14 is one of the most common pneumococcal serotypes that cause invasive pneumococcal diseases worldwide. Serotype 14 often expresses resistance...

Analysis of tarantula skeletal muscle protein sequences and identification of transcriptional isoforms (2009)

Zhu, Jingui, Sun, Yongqiao, Zhao, Fa-Qing, Yu, Jun, Craig, Roger, Hu, Songnian

Abstract Background Tarantula has been used as a model system for studying skeletal muscle structure and function, yet data on the genes expressed in tarantula muscle are lacking. Results We...

A comparative analysis of divergently-paired genes (DPGs) among Drosophilaand vertebrate genomes (2009)

Yang, Liang, Yu, Jun

Abstract Background Divergently-paired genes (DPGs) are defined as two adjacent genes that are transcribed toward the opposite direction (or from different DNA strands) and shared their transcription...

A gene catalogue for post-diapause development of an anhydrobiotic arthropod Artemia franciscana (2009)

Chen, Wie-Hua, Ge, Xiaomeng, Wang, Weiwei, Yu, Jun, Hu, Songnian

Abstract Background Diapause is a reversible state of developmental suspension and found among diverse taxa, from plants to animals, including marsupials and some other mammals. Although previous...

Symmetric subgroups of automorphism groups of compact simple Lie algebras (2009)

Yu, Jun

Thesis (M.Phil.)--Hong Kong University of Science and Technology, 2009

A Prototype Sketch-Based Architectural Design (2008)

Jun Yu, Hao Zhang

Widely used for architectural design, CAD systems such as AutoCAD, provide powerful modeling functionalities. However, they are often too complex for an architect to use, especially during the...

LIM only 4is overexpressed in late stage pancreas cancer (2008)

Yu, Jun, Ohuchida, Kenoki, Nakata, Kohei, Mizumoto, Kazuhiro, Cui, Lin, Fujita, Hayato, ...

Abstract Background LIM-only 4 (LMO4), a member of the LIM-only (LMO) subfamily of LIM domain-containing transcription factors, was initially reported to have an oncogenic role in breast cancer. We...

Transcriptomic profiling of mature embryo from an elite super-hybrid rice LYP9 and its parental lines (2008)

Ge, Xiaomeng, Chen, Weihua, Song, Shuhui, Wang, Weiwei, Hu, Songnian, Yu, Jun

Abstract Background The mature embryo of rice ( Oryza sativa, L .) is a synchronized and integrated tissue mass laying the foundation at molecular level for its growth, development, and...

Functional imaging of interleukin 1 beta expression in inflammatory process using bioluminescence imaging in transgenic mice (2008)

Li, Limei, Fei, Zhaoliang, Ren, Jianke, Sun, Ruilin, Liu, Zhihui, Sheng, Zhejin, ...

Abstract Background Interleukin 1 beta (IL-1β) plays an important role in a number of chronic and acute inflammatory diseases. To understand the role of IL-1β in disease processes and develop an in...

How many human genes can be defined as housekeeping with current expression data? (2008)

Zhu, Jiang, He, Fuhong, Song, Shuhui, Wang, Jing, Yu, Jun

Abstract Background Housekeeping (HK) genes are ubiquitously expressed in all tissue/cell types and constitute a basal transcriptome for the maintenance of basic cellular functions. Partitioning...

Classification of Agricultural Crops and Quality Assessment Using Multispectral and Multitemporal Images (2008)

Centre Of Biostochastics, Bo Ranneby, Jun Yu, Bo Ranneby, Jun Yu

In this paper, a new approach for classification of multitemporal satellite data sets, combining multispectral and change detection techniques is proposed. The algorithm is based on the nearest...

An Algorithm for VLSI Implementation of Highly Efficient Cubic-Polynomial Evaluation (2008)

Fan Mo, Yihua Zhang, Jun Yu, Qianling Zhang

Abstract ⎯ In this paper, we present a novel cubic-polynomial evaluation algorithm. It is suitable for VLSI implementation and the computational cost is reduced to about 66 % of the previously...

Interval Testing Strategies Applied to COSY’s Interval and Taylor Model Arithmetic (2008)

George F. Corliss, Jun Yu

Abstract. The COSY Infinity software package by Berz et al. is widely used in the beam physics community. We report execution-based testing of its interval and Taylor model arithmetics. The testing...

Letter Origin and evolution of new exons in rodents (2008)

Wen Wang, Hongkun Zheng, Shuang Yang, Haijing Yu, Jun Li, Huifeng Jiang, ...

Gene number difference among organisms demonstrates that new gene origination is a fundamental biological process in evolution. Exon shuffling has been universally observed in the formation of new...

A Development of the Recoil Rod Pull Force Measurement System Using the Load Cell with Sleeve (2008)

Park, Ju-Ho, Hong, Sung-Soo, Yu, Jun

This paper presents a development of the recoil rod pull force measurement system suing the load cell with a sleeve normally available in the recoil system test. The commercial load cell cannot be...

Velocity and DCM Partial Matching Methods for Ship Flexure Compensation of Transfer Alignment (2008)

Park, You--Lim, Song, Ki-Won, Yu, Jun

This paper is concerned with a transfer alignment of SDINS under ship motions. To reduce alignment errors induced by the ship body flexure, an error compensation method is suggested based on velocity...

VFDB 2008 release: an enhanced web-based resource for comparative pathogenomics (2008)

Yang, Jian, Chen, Lihong, Sun, Lilian, Yu, Jun, Jin, Qi

Virulence factor database (VFDB) was set up in 2004 dedicated for providing current knowledge of virulence factors (VFs) from various medical significant bacterial pathogens to facilitate...

A novel DNA sequence periodicity decodes nucleosome positioning (2008)

Chen, Kaifu, Meng, Qingshu, Ma, Lina, Liu, Qingyou, Tang, Petrus, Chiu, Chungshung, ...

There have been two types of well-characterized DNA sequence periodicities; both are found to be associated with important molecular mechanisms. One is a 3-nt periodicity corresponding to codon...

Transgenic cyclooxygenase-2 expression and high salt enhanced susceptibility to chemical-induced gastric cancer development in mice (2008)

Leung, Wai K., Wu, Kai-chun, Wong, Christine Y. P., Cheng, Alfred S. L., Ching, Arthur K. K., Chan, Anthony W. H., ...

Cyclooxoygenase (COX)-2 overexpression is involved in gastric carcinogenesis. While high-salt intake is a known risk factor for gastric cancer development, we determined the effects of high salt on...

Do Stock Returns Follow A Finite Variance Distribution? 1 (2007)

Qi-man Shao, Hao Yu, Jun Yu

In this paper we propose a test statistic to discriminate between models with nite variance and models with in nite variance. The test statistic is the ratio of the sample standard deviation and the...

New Zealand. (2007)

Renate Meyer, Jun Yu

Summary This paper reviews the general Bayesian approach to parameter estimation in stochastic volatility models with posterior computations performed by Gibbs sampling. The main purpose is to...

y (2007)

John Kececioglu, Jun Yu

One of the key open problems in large-scale DNA sequence assembly is the correct reconstruction of sequences that contain repeats. A long repeat can confound a sequence assembler into falsely...

A second generation human haplotype map of over 3.1 million SNPs (2007)

Frazer, Kelly A., Ballinger, Dennis G., Cox, David R., Hinds, David A., Stuve, Laura L., Gibbs, Richard A., ...

We describe the Phase II HapMap, which characterizes over 3.1 million human single nucleotide polymorphisms (SNPs) genotyped in 270 individuals from four geographically diverse populations and...

Differential gene expression in an elite hybrid rice cultivar (Oryza sativa, L) and its parental lines based on SAGE data (2007)

Song, Shuhui, Qu, Hongzhu, Chen, Chen, Hu, Songnian, Yu, Jun

Abstract Background It was proposed that differentially-expressed genes, aside from genetic variations affecting protein processing and functioning, between hybrid and its parents provide essential...

Membrane dielectric responses of bufalin-induced apoptosis in HL-60 cells detected by an electrorotation chip (2007)

Chen, Ailiang, Guo, Min, Yu, Jun

A non-invasive electrorotation (ROT) technique was used to monitor the apoptosis-induced changes in HL-60 cells. The specific membrane capacitance of the cells fell from 15.6 +/- 0.9 mF/cm(2) stop to...

A complete mitochondrial genome sequence of the wild two-humped camel (Camelus bactrianus ferus): an evolutionary history of camelidae (2007)

Cui, Peng, Ji, Rimutu, Ding, Feng, Qi, Dan, Gao, Hongwei, Meng, He, ...

Abstract Background The family Camelidae that evolved in North America during the Eocene survived with two distinct tribes, Camelini and Lamini. To investigate the evolutionary relationship between...

Electrokinetic measurements of dielectric properties of membrane for apoptotic HL-60 cells on chip-based device (2007)

Chen, Ailiang, Wang, Lei, Guo, Min, Yu, Jun

The specific membrane capacitance and conductance of mammalian cells reflect the surface morphological complexities and barrier functions of cell membrane, respectively, and could potentially respond...

A Genome-wide Microsatellite Polymorphism Database for the Indica and Japonica Rice (2007)

Zhang, Zhonghua, Deng, Yajun, Tan, Jun, Hu, Songnian, Yu, Jun, Xue, Qingzhong

Microsatellite (MS) polymorphism is an important source of genetic diversity, providing support for map-based cloning and molecular breeding. We have developed a new database that contains 52 845...

Existence of Universal Entangler (2007)

Chen, Jianxin, Duan, Runyao, Ji, Zhengfeng, Ying, Mingsheng, Yu, Jun

A gate is called entangler if it transforms some (pure) product states to entangled states. A universal entangler is a gate which transforms all product states to entangled states. In practice, a...

Porcine transcriptome analysis based on 97 non-normalized cDNA libraries and assembly of 1,021,891 expressed sequence tags (2007)

Gorodkin, Jan, Cirera, Susanna, Hedegaard, Jakob, Gilchrist, Michael J, Panitz, Frank, Jørgensen, Claus, ...

Background Knowledge of the structure of gene expression is essential for mammalian transcriptomics research. We analyzed a collection of more than one million porcine expressed sequence tags (ESTs),...

Gambogic acid-induced G2/M phase cell-cycle arrest via disturbing CDK7-mediated phosphorylation of CDC2/p34 in human gastric carcinoma BGC-823 cells (2007)

Yu, Jun, Guo, Qing-Long, You, Qi-Dong, Zhao, Li, Gu, Hong-Yan, Yang, Yong, ...

Molecular mechanisms of cell-cycle arrest caused by gambogic acid (GA), a natural product isolated from the gamboge resin of Garcinia hanburryi tree, have been investigated using BGC-823 human...

Reverse-Engineering a Watermark Detector Using an Oracle (2007)

Scott Craver, Idris Atakli, Jun Yu

The Break Our Watermarking System (BOWS) contest gave researchers three months to defeat an unknown watermark, given three marked images and online access to a watermark detector. The authors...

Indirect Inference for Dynamic Panel Models ∗ (2007)

Christian Gouriéroux, Jun Yu

It is well-known that maximum likelihood (ML) estimation of the autoregressive parameter of a dynamic panel data model with fixed effectsisinconsistent under...

2007 Gorodkin et Volume al. 8, Issue 4, Article R45 Open Access (2007)

Jan Gorodkin, Susanna Cirera, Jakob Hedegaard, Michael J Gilchrist, Frank Panitz, Claus Jørgensen, ...

Porcine transcriptome analysis based on 97 non-normalized cDNA libraries and assembly of 1,021,891 expressed sequence tags

Focused ion beam milling as a universal template technique for patterned growth of carbon nanotubes (2007)

Chen, Ying, Chen, Hua, Yu, Jun, Williams, James S., Craig, Vince

Focused ion beam (FIB) milling system has been used to create nanosized patterns as the template for patterned growth of carbon nanotubes on Si substrate surface without predeposition of metal...

Patterned growth of carbon nanotubes on Si substrates without predeposition of metal catalysts (2007)

Chen, Ying, Yu, Jun

Aligned carbon nanotubes (CNTs) can be readily synthesized on quartz or silicon-oxide-coated Si substrates using a chemical vapor deposition method, but it is difficult to grow them on pure Si...

Influence of nitriding gases on the growth of boron nitride nanotubes (2007)

Yu, Jun, Li, Bill C.P., Zou, Jin, Chen, Ying

Boron nitride (BN) nanotubes of different sizes and tubular structures exhibit very different mechanical and chemical properties, as well as different applications. BN nanotubes of different sizes...

Reverse-Engineering a Watermark Detector Using an Oracle (2007)

Scott Craver, Idris Atakli, Jun Yu

The Break Our Watermarking System (BOWS) contest gave researchers three months to defeat an unknown watermark, given three marked images and online access to a watermark detector. The authors...

Influenza Virus Database (IVDB): an integrated information resource and analysis platform for influenza virus research (2007)

Chang, Suhua, Zhang, Jiajie, Liao, Xiaoyun, Zhu, Xinxing, Wang, Dahai, Zhu, Jiang, ...

Frequent outbreaks of highly pathogenic avian influenza and the increasing data available for comparative analysis require a central database specialized in influenza viruses (IVs). We have...

Focused ion beam milling as a universal template technique for patterned growth of carbon nanotubes (2007)

Chen, Ying, Chen, Hua, Yu, Jun, Williams, James S., Craig, Vince

Focused ion beam (FIB) milling system has been used to create nanosized patterns as the template for patterned growth of carbon nanotubes on Si substrate surface without predeposition of metal...

Patterned growth of carbon nanotubes on Si substrates without predeposition of metal catalysts (2007)

Chen, Ying, Yu, Jun

Aligned carbon nanotubes (CNTs) can be readily synthesized on quartz or silicon-oxide-coated Si substrates using a chemical vapor deposition method, but it is difficult to grow them on pure Si...

Influence of nitriding gases on the growth of boron nitride nanotubes (2007)

Yu, Jun, Li, Bill C.P., Zou, Jin, Chen, Ying

Boron nitride (BN) nanotubes of different sizes and tubular structures exhibit very different mechanical and chemical properties, as well as different applications. BN nanotubes of different sizes...

Design and fabrication of an automated microchip-based cell separation device (2007)

Yu, Jun, Zhu, Jiang, Wang, Lei, Guo, Min

A microchip-based cell separation system was developed and fabricated by integrating traveling-wave dielectrophoresis and laminar flow on a single biochip-based device. Numerical simulations...

Critical function of Bmx/Etk in ischemia-mediated arteriogenesis and angiogenesis (2006)

Luo, Yan, Tang, Shibo, Rajantie, Iiro, Salven, Petri, Heil, Matthias, ...

Bmx/Etk non-receptor tyrosine protein kinase has been implicated in endothelial cell migration and tube formation in vitro. However, the role of Bmx in vivo is not known. Bmx is highly induced in the...

The evolution of Chinese consumers on the internet and its implications for marketing (2006)

Jun Yu

China, with its rapid economic development, has become an important consumer market. A fast growing component of this market is its increasingly large internet population. This study examines the...

The evolution of Chinese consumers on the internet and its implications for marketing (2006)

Jun Yu

China, with its rapid economic development, has become an important consumer market. A fast growing component of this market is its increasingly large internet population. This study examines the...

Transcriptome analysis of Deinagkistrodon acutusvenomous gland focusing on cellular structure and functional aspects using expressed sequence tags (2006)

Zhang, Bing, Liu, Qinghua, Yin, Wei, Zhang, Xiaowei, Huang, Yijun, Luo, Yingfeng, ...

Abstract Background The snake venom gland is a specialized organ, which synthesizes and secretes the complex and abundant toxin proteins. Though gene expression in the snake venom gland has been...

Computing Ka and Ks with a consideration of unequal transitional substitutions (2006)

Zhang, Zhang, Li, Jun, Yu, Jun

Abstract Background Approximate methods for estimating nonsynonymous and synonymous substitution rates (Ka and Ks) among protein-coding sequences have adopted different mutation (substitution)...

LocustDB: a relational database for the transcriptome and biology of the migratory locust (Locusta migratoria) (2006)

Ma, Zongyuan, Yu, Jun, Kang, Le

Abstract Background The migratory locust ( Locusta migratoria ) is an orthopteran pest and a representative member of hemimetabolous insects for biological studies. Its transcriptomic data provide...

Direct evidence for the role of caveolin-1 and caveolae in mechanotransduction and remodeling of blood vessels (2006)

Yu, Jun, Bergaya, Sonia, Murata, Takahisa, Alp, Ilkay F, Bauer, Michael P, Lin, Michelle I, ...

Caveolae in endothelial cells have been implicated as plasma membrane microdomains that sense or transduce hemodynamic changes into biochemical signals that regulate vascular function. Therefore we...

Suppressive Effects of Intrathecal Application of Diazepam on Visceral Pain and Hyperalgesia Induced by Intracolonic Instillation of Formalin (2006)

Jinghui Huang, Libing Liu, Yumei Zhou, Jun Yu, Jiao Deng

Using an animal model of colonic inflammation, the effects of intrathecal (i.t.) diazepam (0.02mg/kg, 0.08mg/kg and 0.15mg/kg) on visceral pain-related behaviors and hyperalgesia associated with...

Purification of boron nitride nanotubes (2006)

Chen, Hua, Chen, Ying, Yu, Jun, Williams, James S.

A purification process was developed for the first time for boron nitride (BN) nanotubes. BN nanotubes, prepared using a ball milling and annealing method, contain a high yield of nanotubes and a...

Scratching carbon nanotubes onto Si substrates (2006)

Yu, Jun, Chen, Ying

Large-scale, high-density, and patterned carbon nanotubes (CNTs) on both pure Si and quartz (SiO2) substrates have been produced using different approaches. The CNTs were synthesized by pyrolysis of...

Conical boron nitride nanorods synthesized via the ball-milling and annealing method (2006)

Zhang, Hongzhou, Yu, Jun, Chen, Ying, Fitz Gerald, John

A boron nitride (BN) nanostructure, conical BN nanorod, has been synthesized in a large quantity on Si substrates for the first time via the ball-milling and annealing method. Nitridation of milled...

Growth and structure of prismatic boron nitride nanorods (2006)

Zhang, Hongzhou, FitzGerald, John D., Chadderton, Lewis T., Yu, Jun, Chen, Ying

Prismatic boron nitride nanorods have been grown on single crystal silicon substrates by mechanical ball-milling followed by annealing at 1300 °C. Growth takes place by rapid surface diffusion of...

Influenza Virus Database (IVDB): an integrated information resource and analysis platform for influenza virus research (2006)

Chang, Suhua, Zhang, Jiajie, Liao, Xiaoyun, Zhu, Xinxing, Wang, Dahai, Zhu, Jiang, ...

Frequent outbreaks of highly pathogenic avian influenza and the increasing data available for comparative analysis require a central database specialized in influenza viruses (IVs). We have...

Influenza Virus Database (IVDB): an integrated information resource and analysis platform for influenza virus research (2006)

Chang, Suhua, Zhang, Jiajie, Liao, Xiaoyun, Zhu, Xinxing, Wang, Dahai, Zhu, Jiang, ...

Frequent outbreaks of highly pathogenic avian influenza and the increasing data available for comparative analysis require a central database specialized in influenza viruses (IVs). We have...

ShiBASE: an integrated database for comparative genomics of Shigella (2006)

Yang, Jian, Chen, Lihong, Yu, Jun, Sun, Lilian, Jin, Qi

Among the major enteric bacterial pathogens, Shigella is found to display extreme genome diversity and dynamics, which imposes a challenge in comparative genomic studies. To facilitate further...

Purification of boron nitride nanotubes (2006)

Chen, Hua, Chen, Ying, Yu, Jun, Williams, James S.

A purification process was developed for the first time for boron nitride (BN) nanotubes. BN nanotubes, prepared using a ball milling and annealing method, contain a high yield of nanotubes and a...

Scratching carbon nanotubes onto Si substrates (2006)

Yu, Jun, Chen, Ying

Large-scale, high-density, and patterned carbon nanotubes (CNTs) on both pure Si and quartz (SiO2) substrates have been produced using different approaches. The CNTs were synthesized by pyrolysis of...

Conical boron nitride nanorods synthesized via the ball-milling and annealing method (2006)

Zhang, Hongzhou, Yu, Jun, Chen, Ying, Fitz Gerald, John

A boron nitride (BN) nanostructure, conical BN nanorod, has been synthesized in a large quantity on Si substrates for the first time via the ball-milling and annealing method. Nitridation of milled...

Growth and structure of prismatic boron nitride nanorods (2006)

Zhang, Hongzhou, FitzGerald, John D., Chadderton, Lewis T., Yu, Jun, Chen, Ying

Prismatic boron nitride nanorods have been grown on single crystal silicon substrates by mechanical ball-milling followed by annealing at 1300 °C. Growth takes place by rapid surface diffusion of...

Influenza Virus Database (IVDB): an integrated information resource and analysis platform for influenza virus research (2006)

Chang, Suhua, Zhang, Jiajie, Liao, Xiaoyun, Zhu, Xinxing, Wang, Dahai, Zhu, Jiang, ...

Frequent outbreaks of highly pathogenic avian influenza and the increasing data available for comparative analysis require a central database specialized in influenza viruses (IVs). We have...

Influenza Virus Database (IVDB): an integrated information resource and analysis platform for influenza virus research (2006)

Chang, Suhua, Zhang, Jiajie, Liao, Xiaoyun, Zhu, Xinxing, Wang, Dahai, Zhu, Jiang, ...

Frequent outbreaks of highly pathogenic avian influenza and the increasing data available for comparative analysis require a central database specialized in influenza viruses (IVs). We have...

Comment: A Selective Overview of Nonparametric Methods in Financial Econometrics (2005)

Phillips, Peter C. B., Yu, Jun

These comments concentrate on two issues arising from Fan’s overview. The first concerns the importance of finite sample estimation bias relative to the specification and discretization biases that...

Large-scale gene discovery in the oomycete Phytophthora infestans reveals likely components of phytopathogenicity shared with true fungi (2005)

Dwyer, Rex A., Huitema, Edgar, Beyer, Katinka, Cvitanich, Cristina, Kelkar, Hemant, ...

To overview the gene content of the important pathogen Phytophthora infestans, large-scale cDNA and genomic sequencing was performed. A set of 75,757 high-quality expressed sequence tags (ESTs) from...

Large-scale gene discovery in the oomycete Phytophthora infestans reveals likely components of phytopathogenicity shared with true fungi (2005)

Dwyer, Rex A., Huitema, Edgar, Beyer, Katinka, Cvitanich, Cristina, Kelkar, Hemant, ...

To overview the gene content of the important pathogen Phytophthora infestans, large-scale cDNA and genomic sequencing was performed. A set of 75,757 high-quality expressed sequence tags (ESTs) from...

ReAS: Recovery of Ancestral Sequences for Transposable Elements from the Unassembled Reads of a Whole Genome Shotgun (2005)

Ruiqiang Li, Jia Ye, Songgang Li, Jing Wang, Yujun Han, Chen Ye, ...

We describe an algorithm, ReAS, to recover ancestral sequences for transposable elements (TEs) from the unassembled reads of a whole genome shotgun. The main assumptions are that these TEs must exist...

ReAS: Recovery of ancestral sequences for transposable elements from the unassembled reads of a whole genome shotgun (2005)

Ruiqiang Li, Jia Ye, Songgang Li, Jing Wang, Yujun Han, Chen Ye, ...

We describe an algorithm ReAS to recover ancestral sequences for transposable elements (TEs) from the unassembled reads of a whole genome shotgun. The main assumptions are that these TEs must exist...

Pigs in sequence space: A 0.66X coverage pig genome survey based on shotgun sequencing (2005)

Wernersson, Rasmus, Schierup, Mikkel H, Jørgensen, Frank G, Gorodkin, Jan, Panitz, Frank, Stærfeldt, Hans-Henrik, ...

Abstract Background Comparative whole genome analysis of Mammalia can benefit from the addition of more species. The pig is an obvious choice due to its economic and medical importance as well as its...

The Genomes of Oryza sativa: A History of Duplications (2005)

Jun Yu, Jun Wang, Wei Lin, Songgang Li, Heng Li, Jun Zhou, ...

Comparative genome sequencing of indica and japonica rice reveals that duplication of genes and genomic regions has played a major part in the evolution of grass genomes.

The Genomes of Oryza sativa: A History of Duplications (2005)

Jun Yu, Jun Wang, Wei Lin, Songgang Li, Heng Li, Jun Zhou, ...

We report improved whole-genome shotgun sequences for the genomes of indica and japonica rice, both with multimegabase contiguity, or almost 1,000-fold improvement over the drafts of 2002. Tested...

Identification of linear models of structural systems using a limited number of input/output time histories (2005)

Yu, Jun

This work is an attempt to develop a robust and practical methodology to identify structural systems with a limited number of sensors and actuators (incomplete set of measurements), particularly for...

On Leverage in a Stochastic Volatility Model (2005)

Jun Yu February, Jun Yu

This note is concerned with specification for modelling financial leverage e#ect in the context of stochastic volatility (SV) models. Two alternative specifications coexist in the literature. One is...

J: SilkDB: a knowledgebase for silkworm biology and genomics (2005)

Jing Wang, Qingyou Xia, Ximiao He, Mingtao Dai, Jue Ruan, Jie Chen, ...

The Silkworm Knowledgebase (SilkDB) is a webbased repository for the curation, integration and study of silkworm genetic and genomic data. With the recent accomplishment of a 6X draft genome sequence...

Demonstration of the advantages of using bamboo-like nanotubes for electrochemical biosensor applications compared with single walled carbon nanotubes (2005)

Heng, Lee Yook, Chou, Alison, Yu, Jun, Chen, Ying, Gooding, J. Justin

The modification of glassy carbon electrodes with random dispersions of nanotubes is currently the most popular approach to the preparation of carbon nanotube modified electrodes. The performance of...

In situ formation of BN nanotubes during nitriding reactions (2005)

Yu, Jun, Chen, Ying, Wuhrer, Richard, Liu, Zongwen, Ringer, Simon P.

High-yield multiwalled boron nitride (BN) nanotubes have been produced using a ball milling-annealing method. The BN nanotubes with a diameter less than 10 nm and a well-crystallized multiwalled...

VFDB: a reference database for bacterial virulence factors (2005)

Chen, Lihong, Yang, Jian, Yu, Jun, Yao, Zhijian, Sun, Lilian, Shen, Yan, ...

Bacterial pathogens continue to impose a major threat to public health worldwide in the 21st century. Intensified studies on bacterial pathogenesis have greatly expanded our knowledge about the...

SilkDB: a knowledgebase for silkworm biology and genomics (2005)

Wang, Jing, Xia, Qingyou, He, Ximiao, Dai, Mingtao, Ruan, Jue, Chen, Jie, ...

The Silkworm Knowledgebase (SilkDB) is a web-based repository for the curation, integration and study of silkworm genetic and genomic data. With the recent accomplishment of a ∼6X draft genome...

ChickVD: a sequence variation database for the chicken genome (2005)

Wang, Jing, He, Ximiao, Ruan, Jue, Dai, Mingtao, Chen, Jie, Zhang, Yong, ...

Working in parallel with the efforts to sequence the chicken (Gallus gallus) genome, the Beijing Genomics Institute led an international team of scientists from China, USA, UK, Sweden, The...

Jackknifing Bond Option Prices (2005)

Phillips, Peter C. B., Yu, Jun

Prices of interest rate derivative securities depend crucially on the mean reversion parameters of the underlying diffusions. These parameters are subject to estimation bias when standard methods are...

The genome sequence of Salmonella enterica serovar Choleraesuis, a highly invasive and resistant zoonotic pathogen (2005)

Chiu, Cheng-Hsun, Tang, Petrus, Chu, Chishih, Hu, Songnian, Bao, Qiyu, Yu, Jun, ...

Salmonella enterica serovar Choleraesuis (S.Choleraesuis), a highly invasive serovar among non-typhoidal Salmonella, usually causes sepsis or extra-intestinal focal infections in humans....

Monitoring in vivo fitness of rifampicin-resistant Staphylococcus aureus mutants in a mouse biofilm infection model (2005)

Yu, Jun, Wu, Jenny, Francis, Kevin P., Purchio, Tony F., Kadurugamuwa, Jagath L.

Objectives: To investigate in vivo fitness of rifampicin-resistant Staphylococcus aureus mutants in a mouse biofilm model using bioluminescence imaging. Materials and methods: S. aureus was...

Origin and evolution of new exons in rodents (2005)

Wang, Wen, Zheng, Hongkun, Yang, Shuang, Yu, Haijing, Li, Jun, Jiang, Huifeng, ...

Gene number difference among organisms demonstrates that new gene origination is a fundamental biological process in evolution. Exon shuffling has been universally observed in the formation of new...

Evolution of alternative splicing after gene duplication (2005)

Su, Zhixi, Wang, Jianmin, Yu, Jun, Huang, Xiaoqiu, Gu, Xun

Alternative splicing and gene duplication are two major sources of proteomic function diversity. Here, we study the evolutionary trend of alternative splicing after gene duplication by analyzing the...

Monitoring in vivo fitness of rifampicin-resistant Staphylococcus aureus mutants in a mouse biofilm infection model (2005)

Yu, Jun, Wu, Jenny, Francis, Kevin P., Purchio, Tony F., Kadurugamuwa, Jagath L.

Objectives: To investigate in vivo fitness of rifampicin-resistant Staphylococcus aureus mutants in a mouse biofilm model using bioluminescence imaging. Materials and methods: S. aureus was...

Jackknifing Bond Option Prices* (2005)

Phillips, Peter C. B., Yu, Jun

Prices of interest rate derivative securities depend crucially on the mean reversion parameters of the underlying diffusions. These parameters are subject to estimation bias when standard methods are...

Genome dynamics and diversity of Shigella species, the etiologic agents of bacillary dysentery (2005)

Yang, Fan, Yang, Jian, Zhang, Xiaobing, Chen, Lihong, Jiang, Yan, Yan, Yongliang, ...

The Shigella bacteria cause bacillary dysentery, which remains a significant threat to public health. The genus status and species classification appear no longer valid, as compelling evidence...

Demonstration of the advantages of using bamboo-like nanotubes for electrochemical biosensor applications compared with single walled carbon nanotubes (2005)

Heng, Lee Yook, Chou, Alison, Yu, Jun, Chen, Ying, Gooding, J. Justin

The modification of glassy carbon electrodes with random dispersions of nanotubes is currently the most popular approach to the preparation of carbon nanotube modified electrodes. The performance of...

In situ formation of BN nanotubes during nitriding reactions (2005)

Yu, Jun, Chen, Ying, Wuhrer, Richard, Liu, Zongwen, Ringer, Simon P.

High-yield multiwalled boron nitride (BN) nanotubes have been produced using a ball milling-annealing method. The BN nanotubes with a diameter less than 10 nm and a well-crystallized multiwalled...

A genetic variation map for chicken with 2.8 million single-nucleotide polymorphisms (2004)

Liu, Bin, Wang, Jun, Zhang, Yong, Yang, Xu, Zhang, Zengjin, ...

We describe a genetic variation map for the chicken genome containing 2.8 million single-nucleotide polymorphisms (SNPs). This map is based on a comparison of the sequences of three domestic chicken...

Complete genome sequence of Yersinia pestis strain 91001, an isolate avirulent to humans (2004)

Tong, Zongzhong, Wang, Jin, Wang, Li, Guo, Zhaobiao, Han, Yanpin, ...

Genomics provides an unprecedented opportunity to probe in minute detail into the genomes of the world's most deadly pathogenic bacteria- Yersinia pestis. Here we report the complete genome sequence...

Content-based temporal and spatial segmentation of motion pictures / (2004)

Yu, Jun.

Thesis (Ph. D. in Electrical Engineering)--Southern Methodist University.

Deviance information criterion for comparing stochastic volatility models (2004)

Andreas Berg, Renate Meyer, Jun Yu

Bayesian methods have been ecient in estimating parameters of stochastic volatility models for analyzing nancial time series. Recent advances made it possible to t stochastic volatility models of...

Deviance Information Criterion for Comparing (2004)

Stochastic Volatility Models, Andreas Berg, Renate Meyer, Jun Yu

Bayesian methods have been e#cient in estimating parameters of stochastic volatility models for analyzing financial time series. Recent advances made it possible to fit stochastic volatility models...

Complete Genome Sequence of Yersinia pestis Strain 91001, an Isolate Avirulent to Humans (2004)

Song, Yajun, Tong, Zongzhong, Wang, Jin, Wang, Li, Guo, Zhaobiao, Han, Yanpin, ...

Genomics provides an unprecedented opportunity to probe in minute detail into the genomes of the world's most deadly pathogenic bacteria-Yersinia pestis. Here we report the complete genome sequence...

BGI-RIS: an integrated information resource and comparative analysis workbench for rice genomics (2004)

Zhao, Wenming, Wang, Jing, He, Ximiao, Huang, Xiaobing, Jiao, Yongzhi, Dai, Mingtao, ...

Rice is a major food staple for the world’s population and serves as a model species in cereal genome research. The Beijing Genomics Institute (BGI) has long been devoting itself to sequencing,...

A Population Threshold for Functional Polymorphisms (2003)

Wong, Gane Ka-Shu, Yang, Zhiyong, Passey, Douglas A., Kibukawa, Miho, Paddock, Marcia, Liu, Chun-Rong, ...

We sequenced 114 genes (for DNA repair, cell cycle arrest, apoptosis, and detoxification)in a mixed human population and observed a sudden increase in the number of functional polymorphisms below a...

Dimethyl Ether (DME) Spary Charcteristics in a Common-rail Fuel Injection System (2003)

Yu, Jun, Bae, Choongsik

Fundamental spray characteristics of DME (Dimethyl Ether) and conventional diesel were investigated in a constant volume vessel pressurized by nitrogen gas. A common-rail fuel injection system was...

Dimethyl ether (DME) spray characteristics in a common-rail fuel injection system (2003)

Yu, Jun, Bae, Choongsik

The fundamental spray characteristics of dimethyl ether (DME) and conventional diesel were investigated in a constant-volume vessel pressurized by nitrogen gas. A common-rail fuel injection system...

MCMC Methods for Estimating Stochastic Volatility Models with Liverage Effects: Comments on Jacquier, Polson and Rossi (2002) (2002)

Yu, Jun

In this note we represent the well known discrete time stochastic volatility (SV) model with a leverage effect and the SV model of Jacquier, Polson and Rossi (JPR) (2002) using Gaussian nonlinear...

Jacknifing Bond Option Prices (2002)

Yu, Jun, Phillips, Peter

In continuous time specifications, the prices of interest rate derivative securities depend crucially on the mean reversion parameter of the associated interest rate diffusion equation. This...

Dimethyl Ether (DME) Spray Characteristics Compared to Diesel in a Common-Rail Fuel Injection System (2002)

Yu, Jun, Lee, Jookwang, Bae, Choongsik

Dimethyl Ether (DME) has been considered as one of the most attractive alternative fuels for compression ignition engine. Its main advantage in compression-ignition engine application is high...

Estimation of Hyperbolic Diffusion using MCMC Method (2002)

Tse, Y.K., Zhang, Bill, Yu, Jun

In this paper we propose a Bayesian method for estimating hyperbolic diffusion models. The approach is based on the Markov Chain Monte Carlo (MCMC) method after discretization via the Milstein...

The Influence of Injector Parameters on Diesel Spray (2002)

Bae, Choongsik, Yu, Jun, Kang, Jinsuk, Kong, Jangsik, Cruenca, Roy, Lee, Kyung Ook

Diesel injection nozzles, incorporated with common-rail high pressure injection system, have the variety in its geometries. The design parameters of injection nozzle need to meet the requirement of...

A Class of Nonlinear Stochastic Volatility Models (2002)

Yu, Jun, Yang, Zhenlin

This paper proposes a class of stochastic volatility (SV) models which offers an alternative to the one introduced in Andersen (1994). The class encompasses all standard SV models that have appeared...

Deviance Information Criterion as a Model Comparison Criterion for Stochastic Volatility Models (2002)

Berg, Andreas, Meyer, Renate, Yu, Jun

Bayesian methods have proven very efficient in estimating parameters of stochastic volatility (SV) models for analysing financial time series. Recent work extends the basic stochastic volatility...

Factors affecting diffusion patterns for new products: An hierarchical Bayesian mixture model (2002)

Yu, Jun

Our major objective is to study the relationship between some variables and new product growth patterns by efficiently utilizing several sources of information, which include: (1) sales histories...

Increased β-catenin mRNA levels and mutational alterations of the APC and β-catenin gene are present in intestinal-type gastric cancer (2002)

Ebert,Matthias. P. A., Fei,Guo, Kahmann,Sabine, Müller,Oliver, Yu,Jun, Sung,Joseph J. Y., ...

beta-Catenin is critical for intercellular adhesion and also plays a role as a transcription activating protein in the Wnt signalling pathway. Increased protein levels and mutation of the...

A Class of Nonlinear Stochastic Volatility Models and Its Implications on Pricing Currency Options (2002)

Yu, Jun, Yang, Zhenlin, Zhang, Xibin

This paper proposes a class of stochastic volatility (SV) models which offers an alternative to the one introduced in Andersen (1994). The class encompasses all standard SV models that have appeared...

Estimation of Hyperbolic Diffusion Using Mcmc Method (2002)

Tse, Y.K., Zhang, Xibin, Yu, Jun

In this paper we propose a Bayesian method for estimating hyperbolic diffusion models. The approach is based on the Markov Chain Monte Carlo (MCMC) method after discretization via the Milstein...

A Class of Nonlinear Stochastic Volatility Models and Its Implications on Pricing Currency Options (2002)

Yu, Jun, Yang, Zhenlin, Zhang, Xibin

This paper proposes a class of stochastic volatility (SV) models which offers an alternative to the one introduced in Andersen (1994). The class encompasses all standard SV models that have appeared...

Estimation of Hyperbolic Diffusion Using Mcmc Method (2002)

Tse, Y.K., Zhang, Xibin, Yu, Jun

In this paper we propose a Bayesian method for estimating hyperbolic diffusion models. The approach is based on the Markov Chain Monte Carlo (MCMC) method after discretization via the Milstein...

Increased β-catenin mRNA levels and mutational alterations of the APC and β-catenin gene are present in intestinal-type gastric cancer (2002)

Ebert, Matthias. P. A., Fei, Guo, Kahmann, Sabine, Müller, Oliver, Yu, Jun, Sung, Joseph J. Y., ...

beta-Catenin is critical for intercellular adhesion and also plays a role as a transcription activating protein in the Wnt signalling pathway. Increased protein levels and mutation of the...

MPEG-4 system development and trial investigation / (2002)

Yu, Jun.

Thesis (M. Sc. (SP))--Nanyang Technological University, School of Electrical and Electronic Engineering, 2002.

A Class of Nonlinear Stochastic Volatility Models and Its Implications on Pricing Currency Options (2002)

Yu, Jun, Yang, Zhenlin, Zhang, Xibin

This paper proposes a class of stochastic volatility (SV) models which offers an alternative to the one introduced in Andersen (1994). The class encompasses all standard SV models that have appeared...

Estimation of Hyperbolic Diffusion Using MCMC Method (2002)

Tse, Y.K., Zhang, Xibin, Yu, Jun

In this paper we propose a Bayesian method for estimating hyperbolic diffusion models. The approach is based on the Markov Chain Monte Carlo (MCMC) method after discretization via the Milstein...

A Class of Nonlinear Stochastic Volatility Models and Its Implications on Pricing Currency Options (2002)

Yu, Jun, Yang, Zhenlin, Zhang, Xibin

This paper proposes a class of stochastic volatility (SV) models which offers an alternative to the one introduced in Andersen (1994). The class encompasses all standard SV models that have appeared...

Estimation of Hyperbolic Diffusion Using MCMC Method (2002)

Tse, Y.K., Zhang, Xibin, Yu, Jun

In this paper we propose a Bayesian method for estimating hyperbolic diffusion models. The approach is based on the Markov Chain Monte Carlo (MCMC) method after discretization via the Milstein...

WORKSHOP ON IMAGE PROCESSING AND RELATED MATHEMATICAL TOPICS Contextual Reclassification of Multispectral Images: A Markov Random Field Approach (2002)

Alex Teterukovskiy, Jun Yu

Abstract—This work presents methods for multispectral image classification using the contextual classifiers based on Markov Random Field (MRF) models. Performance of some conventional...

A class of nonlinear stochastic volatility models and its implication on pricing currency options. Working paper 17/02 (2002)

Jun Yu, Zhenlin Yang

This paper proposes a class of nonlinear stochastic volatility models. The proposed class encompasses many parametric stochastic volatility models that have appeared in the literature, including the...

Estimation of Hyperbolic Diffusion using MCMC Method (2002)

Y. K. Tse, Xibin Zhang, Jun Yu, Y. K. Tse, Xibin Zhang, Jun Yu

Abstract: In this paper we propose a Bayesian method for estimating hyperbolic diffusion models. The approach is based on the Markov Chain Monte Carlo (MCMC) method after discretization via the...

Estimation of Hyperbolic Diffusion using MCMC Method (2002)

Y. K. Tse, Bill Zhang, Jun Yu, Y. K. Tse, X. B. Zhang, Jun Yu

Abstract: In this paper we propose a Bayesian method for estimating hyperbolic diffusion models. The approach is based on the Markov Chain Monte Carlo (MCMC) method after discretization via the...

A Class of Nonlinear Stochastic Volatility Models (2002)

Jun Yu, Zhenlin Yang

This paper proposes a class of nonlinear stochastic volatility models based on the Box-Cox transformation which o#ers an alternative to the one introduced in Andersen (1994). The proposed class...

Forecasting volatility in the New Zealand stock (2002)

Market Jun Yu, Jun Yu

This paper evaluates the performance of nine alternative models for predicting stock price volatility using daily New Zealand data. The competing models contain both simple models such as the random...

A class of nonlinear stochastic volatility models and its implication on pricing currency options. Working paper 17/02 (2002)

Jun Yu, Jun Yu, Zhenlin Yang, Zhenlin Yang, Xibin Zhang, Xibin Zhang, ...

estimation techniques and did not have the section on option pricing. Jun Yu has benefited greatly from conversations with Ronald Gallant and Genshiro Kitagawa, from comments and suggestions from

Increased {beta}-catenin mRNA levels and mutational alterations of the APC and {beta}-catenin gene are present in intestinal-type gastric cancer (2002)

Ebert, Matthias P.A., Fei, Guo, Kahmann, Sabine, Müller, Oliver, Yu, Jun, Sung, Joseph J.Y., ...

β-Catenin is critical for intercellular adhesion and also plays a role as a transcription activating protein in the Wnt signalling pathway. Increased protein levels and mutation of the β-catenin...

Genome sequence of Shigella flexneri 2a: insights into pathogenicity through comparison with genomes of Escherichia coli K12 and O157 (2002)

Jin, Qi, Yuan, Zhenghong, Xu, Jianguo, Wang, Yu, Shen, Yan, Lu, Weichuan, ...

We have sequenced the genome of Shigella flexneri serotype 2a, the most prevalent species and serotype that causes bacillary dysentery or shigellosis in man. The whole genome is composed of a...

A Class of Nonlinear Stochastic Volatility Models and Its Implications on Pricing Currency Options (2002)

Yu, Jun, Yang, Zhenlin, Zhang, Xibin

This paper proposes a class of stochastic volatility (SV) models which offers an alternative to the one introduced in Andersen (1994). The class encompasses all standard SV models that have appeared...

Estimation of Hyperbolic Diffusion Using MCMC Method (2002)

Tse, Y.K., Zhang, Xibin, Yu, Jun

In this paper we propose a Bayesian method for estimating hyperbolic diffusion models. The approach is based on the Markov Chain Monte Carlo (MCMC) method after discretization via the Milstein...

Forecasting Volatility:Evidence from the German Stock Market (2001)

Bluhm, Hagen, Yu, Jun

In this paper we compare two basic approaches to forecast volatility in the German stock market. The first approach uses various univariate time series techniques while the second approach makes use...

Domain wall resistivity in epitaxial thin film microstructures (2001)

Andrew D., Yu, Jun, Rüdiger, Ulrich, Parkin, Stuart S. P.

This article reviews our recent experimental studies of domain wall (DW) resistivity in epitaxial transition metal ferromagnetic thin film microstructures with stripe domains. The results are...

Exact Gaussian Estimation of Continuous Time Models of The Term Structure of Interest Rates Rankings of Economics Departments in New Zealand (2000)

Phillips, Peter, Yu, Jun

This paper proposes an exact Gaussian estimator for nonlinear continuous time models of the term structure of interest rates. The approach is based on a stopping time argument that produces a...

BUGS for a Bayesian Analysis of Stochastic Volatility Models (2000)

Meyer, Renate, Yu, Jun

This paper reviews the general Bayesian approach to parameter estimation in stochastic volatility models with posterior computations performed by Gibbs sampling. The main purpose is to illustrate the...

Micromagnetics of submicron (110) Fe elements (2000)

Thomas, Luc, Parkin, Stuart S. P., Yu, Jun, Rüdiger, Ulrich, Kent, Andrew D.

The magnetization processes and the domain structure of epitaxial (110) Fe submicron-sized elements are studied experimentally and with micromagnetic simulations. Magnetic force microscopy and Kerr...

Magnetotransport and magnetic properties of molecular-beam epitaxy L10 FePt thin films (2000)

Yu, Jun, Ruediger, Ulrich, Kent, Andrew D., Farrow, Robin F. C., Marks, R. F., Weller, D., ...

The magnetotransport and magnetic properties of chemically ordered (001) L10 FePt epitaxial thin films with small scale perpendicularly magnetized stripe domains have been investigated. Film growth...

Estimation of a Self-Exciting Poisson Jump Diffusion Model by the Empirical Characteristic Function Method (1999)

Yu, Jun

This paper proposes a new econometric methodology for the estimation of diffusion models that include a jump component. The jump component's arrival time is endogenously determined, reflecting past...

Forecasting Volatility in the New Zealand Stock Market (1999)

Yu, Jun

This paper evaluates the performance of nine alternative models for predicting stock price volatility using daily New Zealand data. The competing models contain both simple models such as the random...

A Test Statistic and Its Application in Modelling Daily Stock Returns (1999)

Shao, Qi-Man, Yu, Hao, Yu, Jun

In this paper we propose a test statistic to discriminate bctween models with finite variance and models with infinite variance. The test statistic is the ratio of the sample standard deviation and...

Efficient Estimation of the Stochastic Volatility Model by the Empirical Characteristic Function Method (1999)

Knight, John, Satchell, Stephen, Yu, Jun

This paper estimates the stochastic volatility model using the empirical characteristic function method. This procedure has the same asymptotic efficiency as maximum likelihood, and is thus a...

Empirical Characteristic Function in Time Series Estimation (1999)

Knight, John, Yu, Jun

Since the empirical characteristic function is the Fourier transformation of the emipirical distribution function, it retains all the information in the sample but can overcome difficulties arising...

Do Topics Diffuse from Core to Periphery Journals? (1999)

Bandyopadhyay, Debasis, Yu, Jun

We examine the interests among competing topics of macroeconomics by tracing publication frequencies of these topics as recorded in the EconLit database over the period from 1969 through 1996. We...

Micromagnetics of mesoscopic epitaxial (110) Fe elements with nanoshaped ends (1999)

Yu, Jun, Rüdiger, Ulrich, Thomas, Luc, Parkin, Stuart S. P., Kent, Andrew D.

The magnetization reversal and magnetic domain configurations of 0.5-μm-wide epitaxial (110) Fe particles with rectangular and needle-shaped ends and competing magnetic anisotropies have been...

Magnetotransport and magnetic domain structure in compressively strained colossal magnetoresistance films (1999)

Wu, Yan, Suzuki, Yuri, Rüdiger, Ulrich, Yu, Jun, Kent, Andrew D., Nath, Tapan K., ...

We have studied the magnetoresistance (MR) of compressively strained La0.7Sr0.3MnO3 (LSMO) films in various magnetic states in order to understand the role of magnetic domain structure on...

Micromagnetism and magnetization reversal of micron-scale (110) Fe thin-film magnetic elements (1999)

Yu, Jun, Rüdiger, Ulrich, Kent, Andrew, Thomas, Luc, Parkin, Stuart S. P.

Magnetic force microscope (MFM) imaging in conjunction with longitudinal Kerr hysteresis loop measurements have been used to investigate the micromagnetic behavior of micron scale epitaxial (110) bcc...

Magnetoresistance, micromagnetism, and domain-wall scattering in epitaxial hcp Co films (1999)

Rüdiger, Ulrich, Yu, Jun, Kent, Andrew D., Thomas, Luc, Parkin, Stuart S. P.

Large negative magnetoresistance (MR) observed in transport measurements of hcp Co films with stripe domains were recently reported and interpreted in terms of domain-wall (DW) scattering mechanism....

Magnetoresistance, Micromagnetism and Domain Wall Effects in Epitaxial Fe and Co Structures with Stripe Domains (1998)

Kent, Andrew D., Rüdiger, Ulrich, Yu, Jun, Thomas, Luc, Parkin, Stuart S. P.

We review our recent magnetotransport and micromagnetic studies of lithographically defined epitaxial thin film structures of bcc Fe and hcp Co with stripe domains. Micromagnetic structure and...

Magnetoresistance due to domain walls in an epitaxial microfabricated Fe wire (1998)

Rüdiger, Ulrich, Yu, Jun, Kent, Andrew D., Parkin, Stuart S. P.

The domain wall (DW) contribution to magnetoresistance has been investigated using an epitaxial microfabricated bcc (110) Fe wires of 2 μm linewidth. A strong in-plane uniaxial component to the...

Negative Domain Wall Contribution to the Resistivity of Microfabricated Fe Wires (1998)

Rüdiger, Ulrich, Yu, Jun, Zhang, S., Kent, Andrew D., Parkin, Stuart S. P.

The effect of domain walls on electron transport has been investigated in microfabricated Fe wires(0.65 to 20 my m linewidths) with controlled stripe domains. Magnetoresistance (MR) measurements as a...

Response analysis of structures including effects of soil-structure interaction (1995)

Yu, Jun

The objective of the study is to determine the structural response to external force and earthquake excitations with consideration of soil-structure interaction. The physical model concerned herein...

Isothermal reaction kinetics of kraft delignification of Douglas-fir /--by Jun Yu. (1991)

Yu, Jun.

Dissertation (Ph. D.)--Michigan Technological University, 1991.

Empirical Characteristic Function Estimation and Its Applications

Jun Yu

This paper reviews the method of model-fitting via the empirical characteristic function. The advantage of using this procedure is that one can avoid difficulties inherent in calculating or...

Estimation of Hyperbolic Diffusion Using MCMC Method

Y.K. Tse, Xibin Zhang, Jun Yu

In this paper we propose a Bayesian method for estimating hyperbolic diffusion models. The approach is based on the Markov Chain Monte Carlo (MCMC) method after discretization via the Milstein...

Indirect Inference for Dynamic Panel Models

Christian Gourieroux, Jun Yu

It is well-known that maximum likelihood (ML) estimation of the autoregressive parameter of a dynamic panel data model with fixed effects is inconsistent under fixed time series sample size (T) and...

A Two-Stage Realized Volatility Approach to the Estimation for Diffusion Processes from Discrete Observations

Jun Yu

This paper motivates and introduces a two-stage method for estimating diffusion processes based on discretely sampled observations. In the first stage we make use of the feasible central limit theory...

Deviance Information Criterion for Comparing Stochastic Volatility Models.

Berg, Andreas, Meyer, Renate, Yu, Jun

Bayesian methods have been efficient in estimating parameters of stochastic volatility models for analyzing financial time series. Recent advances made it possible to fit stochastic volatility models...

Multiple-complete-digest restriction fragment mapping: Generating sequence-ready maps for large-scale DNA sequencing

Wong, Gane K.-S., Yu, Jun, Thayer, Edward C., Olson, Maynard V.

Multiple-complete-digest mapping is a DNA mapping technique based on complete-restriction-digest fingerprints of a set of clones that provides highly redundant coverage of the mapping target. The...

Key Role for DsbA in Cell-to-Cell Spread of Shigella flexneri, Permitting Secretion of Ipa Proteins into Interepithelial Protrusions

Yu, Jun, Edwards-Jones, Bryn, Neyrolles, Olivier, Kroll, J. Simon

DsbA, a disulfide bond catalyst, is necessary for realization of the pathogenic potential of Shigella flexneri. Sh42, a mutant strain differing from wild-type M90TS solely because it expresses...

Visualizing Pneumococcal Infections in the Lungs of Live Mice Using Bioluminescent Streptococcus pneumoniae Transformed with a Novel Gram-Positive lux Transposon

Francis, Kevin P., Yu, Jun, Bellinger-Kawahara, Carolyn, Joh, Danny, Hawkinson, Matthew J., Xiao, Grace, ...

Animal studies with Streptococcus pneumoniae have provided valuable models for drug development. In order to monitor long-term pneumococcal infections noninvasively in living mice, a novel...

Inactivation of DsbA, but Not DsbC and DsbD, Affects the Intracellular Survival and Virulence of Shigella flexneri

Yu, Jun

In this study, three mutants, dsbA::kan, dsbC-kan, and dsbD-kan, of Shigella flexneri serotype 5 were constructed and characterized to investigate the role of the periplasmic thiol:disulfide...

Genome sequence of Shigella flexneri 2a: insights into pathogenicity through comparison with genomes of Escherichia coli K12 and O157

Jin, Qi, Yuan, Zhenghong, Xu, Jianguo, Wang, Yu, Shen, Yan, Lu, Weichuan, ...

We have sequenced the genome of Shigella flexneri serotype 2a, the most prevalent species and serotype that causes bacillary dysentery or shigellosis in man. The whole genome is composed of a...

Direct Continuous Method for Monitoring Biofilm Infection in a Mouse Model

Kadurugamuwa, Jagath L., Sin, Lin, Albert, Eddie, Yu, Jun, Francis, Kevin, DeBoer, Monica, ...

We have developed a rapid, continuous method for real-time monitoring of biofilms, both in vitro and in a mouse infection model, through noninvasive imaging of bioluminescent bacteria colonized on...

Real-Time Monitoring of Bacterial Infection In Vivo: Development of Bioluminescent Staphylococcal Foreign-Body and Deep-Thigh-Wound Mouse Infection Models

Kuklin, Nelly A., Pancari, Gregory D., Tobery, Timothy W., Cope, Leslie, Jackson, Jesse, Gill, Charles, ...

Staphylococcal infections associated with catheter and prosthetic implants are difficult to eradicate and often lead to chronic infections. Development of novel antibacterial therapies requires...

RePS: A Sequence Assembler That Masks Exact Repeats Identified from the Shotgun Data

Wang, Jun, Wong, Gane Ka-Shu, Ni, Peixiang, Han, Yujun, Huang, Xiangang, Zhang, Jianguo, ...

We describe a sequence assembler, RePS (repeat-masked Phrap with scaffolding), that explicitly identifies exact 20mer repeats from the shotgun data and removes them prior to the assembly. The...

A Complete Sequence of the T. tengcongensis Genome

Bao, Qiyu, Tian, Yuqing, Li, Wei, Xu, Zuyuan, Xuan, Zhenyu, Hu, Songnian, ...

Thermoanaerobacter tengcongensis is a rod-shaped, gram-negative, anaerobic eubacterium that was isolated from a freshwater hot spring in Tengchong, China. Using a whole-genome-shotgun method, we...

Minimal Introns Are Not “Junk”

Yu, Jun, Yang, Zhiyong, Kibukawa, Miho, Paddock, Marcia, Passey, Douglas A., Wong, Gane Ka-Shu

Intron-size distributions for most multicellular (and some unicellular) eukaryotes have a sharp peak at their “minimal intron” size. Across the human population, these minimal introns exhibit an...

Rapid Direct Method for Monitoring Antibiotics in a Mouse Model of Bacterial Biofilm Infection

Kadurugamuwa, Jagath L., Sin, Lin V., Yu, Jun, Francis, Kevin P., Kimura, Richard, Purchio, Tony, ...

We have developed a rapid, continuous method for monitoring the effectiveness of several antibacterial agents in real time, noninvasively, by using a recently described mouse model of chronic biofilm...

BGI-RIS: an integrated information resource and comparative analysis workbench for rice genomics

Zhao, Wenming, Wang, Jing, He, Ximiao, Huang, Xiaobing, Jiao, Yongzhi, Dai, Mingtao, ...

Rice is a major food staple for the world’s population and serves as a model species in cereal genome research. The Beijing Genomics Institute (BGI) has long been devoting itself to sequencing,...

Is “Junk” DNA Mostly Intron DNA?

Wong, Gane Ka-Shu, Passey, Douglas A., Huang, Ying-zong, Yang, Zhiyong, Yu, Jun

Among higher eukaryotes, very little of the genome codes for protein. What is in the rest of the genome, or the “junk” DNA, that, in Homo sapiens, is estimated to be almost 97% of the genome? Is...

Identification of a Novel Citrobacter rodentium Type III Secreted Protein, EspI, and Roles of This and Other Secreted Proteins in Infection

Mundy, Rosanna, Petrovska, Liljana, Smollett, Katherine, Simpson, Nandi, Wilson, Rebecca K., Yu, Jun, ...

Citrobacter rodentium is a member of a group of pathogens that colonize the lumen of the host gastrointestinal tract via attaching and effacing (A/E) lesion formation. C. rodentium, which causes...

A Population Threshold for Functional Polymorphisms

Wong, Gane Ka-Shu, Yang, Zhiyong, Passey, Douglas A., Kibukawa, Miho, Paddock, Marcia, Liu, Chun-Rong, ...

We sequenced 114 genes (for DNA repair, cell cycle arrest, apoptosis, and detoxification)in a mixed human population and observed a sudden increase in the number of functional polymorphisms below a...

Noninvasive Optical Imaging Method To Evaluate Postantibiotic Effects on Biofilm Infection In Vivo

Kadurugamuwa, Jagath L., Sin, Lin V., Yu, Jun, Francis, Kevin P., Purchio, Tony F., Contag, Pamela R.

Eradication of Staphylococcus aureus biofilms after rifampin treatment was tested in a mouse model of device-related infection by using biophotonic imaging. Following treatment, the bioluminescent...

A Comparison of Rice Chloroplast Genomes1[w]

Tang, Jiabin, Xia, Hong'ai, Cao, Mengliang, Zhang, Xiuqing, Zeng, Wanyong, Hu, Songnian, ...

Using high quality sequence reads extracted from our whole genome shotgun repository, we assembled two chloroplast genome sequences from two rice (Oryza sativa) varieties, one from 93-11 (a typical...

DNA Microarray Analysis of Genome Dynamics in Yersinia pestis: Insights into Bacterial Genome Microevolution and Niche Adaptation

Zhou, Dongsheng, Han, Yanping, Song, Yajun, Tong, Zongzhong, Wang, Jin, Guo, Zhaobiao, ...

Genomics research provides an unprecedented opportunity for us to probe into the pathogenicity and evolution of the world's most deadly pathogenic bacterium, Yersinia pestis, in minute detail. In our...

The analysis of large-scale gene expression correlated to the phase changes of the migratory locust

Kang, Le, Chen, XiangYong, Zhou, Yan, Liu, BoWan, Zheng, Wei, Li, RuiQiang, ...

The migratory locust is one of the most notorious agricultural pests that undergo a well known reversible, density-dependent phase transition from the solitary to the gregarious. To demonstrate the...

Real-Time In Vivo Bioluminescent Imaging for Evaluating the Efficacy of Antibiotics in a Rat Staphylococcus aureus Endocarditis Model

Xiong, Yan Q., Willard, Julie, Kadurugamuwa, Jagath L., Yu, Jun, Francis, Kevin P., Bayer, Arnold S.

Therapeutic options for invasive Staphylococcus aureus infections have become limited due to rising antimicrobial resistance, making relevant animal model testing of new candidate agents more crucial...

Transcriptional Adaptation of Shigella flexneri during Infection of Macrophages and Epithelial Cells: Insights into the Strategies of a Cytosolic Bacterial Pathogen

Lucchini, Sacha, Liu, Hong, Jin, Qi, Hinton, Jay C. D., Yu, Jun

Shigella flexneri, the etiologic agent of bacillary dysentery, invades epithelial cells as well as macrophages and dendritic cells and escapes into the cytosol soon after invasion. Dissection of the...

VFDB: a reference database for bacterial virulence factors

Chen, Lihong, Yang, Jian, Yu, Jun, Yao, Zhijian, Sun, Lilian, Shen, Yan, ...

Bacterial pathogens continue to impose a major threat to public health worldwide in the 21st century. Intensified studies on bacterial pathogenesis have greatly expanded our knowledge about the...

ChickVD: a sequence variation database for the chicken genome

Wang, Jing, He, Ximiao, Ruan, Jue, Dai, Mingtao, Chen, Jie, Zhang, Yong, ...

Working in parallel with the efforts to sequence the chicken (Gallus gallus) genome, the Beijing Genomics Institute led an international team of scientists from China, USA, UK, Sweden, The...

SilkDB: a knowledgebase for silkworm biology and genomics

Wang, Jing, Xia, Qingyou, He, Ximiao, Dai, Mingtao, Ruan, Jue, Chen, Jie, ...

The Silkworm Knowledgebase (SilkDB) is a web-based repository for the curation, integration and study of silkworm genetic and genomic data. With the recent accomplishment of a ∼6X draft genome...

Endothelial-specific expression of caveolin-1 impairs microvascular permeability and angiogenesis

Bauer, Philip M., Yu, Jun, Chen, Yan, Hickey, Reed, Bernatchez, Pascal N., Looft-Wilson, Robin, ...

The functions of caveolae and/or caveolins in intact animals are beginning to be explored. Here, by using endothelial cell-specific transgenesis of the caveolin-1 (Cav-1) gene in mice, we show the...

Endothelial nitric oxide synthase activation is critical for vascular leakage during acute inflammation in vivo

Bucci, Mariarosaria, Roviezzo, Fiorentina, Posadas, Inmaculada, Yu, Jun, Parente, Luca, Sessa, William C., ...

The role of endothelium-derived nitric oxide (NO) in acute inflammation is not known. Here, we examine acute inflammation in congenic endothelial NO synthase-deficient (eNOS-/-) mice. Intraplantar...

Dissecting the molecular control of endothelial NO synthase by caveolin-1 using cell-permeable peptides

Bernatchez, Pascal N., Bauer, Philip M., Yu, Jun, Prendergast, Jay S., He, Pingnian, Sessa, William C.

In endothelia, NO is synthesized by endothelial NO synthase (eNOS), which is negatively regulated by caveolin-1 (Cav-1), the primary coat protein of caveolae. We show that delivery of Cav-1 amino...

The Genomes of Oryza sativa: A History of Duplications

Yu, Jun, Wang, Jun, Lin, Wei, Li, Songgang, Li, Heng, Zhou, Jun, ...

We report improved whole-genome shotgun sequences for the genomes of indica and japonica rice, both with multimegabase contiguity, or almost 1,000-fold improvement over the drafts of 2002. Tested...

The genome sequence of Salmonella enterica serovar Choleraesuis, a highly invasive and resistant zoonotic pathogen

Chiu, Cheng-Hsun, Tang, Petrus, Chu, Chishih, Hu, Songnian, Bao, Qiyu, Yu, Jun, ...

Salmonella enterica serovar Choleraesuis (S.Choleraesuis), a highly invasive serovar among non-typhoidal Salmonella, usually causes sepsis or extra-intestinal focal infections in humans....

Akt1/protein kinase Bα is critical for ischemic and VEGF-mediated angiogenesis

Ackah, Eric, Yu, Jun, Zoellner, Stefan, Iwakiri, Yasuko, Skurk, Carsten, Shibata, Rei, ...

Akt, or protein kinase B, is a multifunctional serine-threonine protein kinase implicated in a diverse range of cellular functions including cell metabolism, survival, migration, and gene expression....

Endothelial nitric oxide synthase is critical for ischemic remodeling, mural cell recruitment, and blood flow reserve

Yu, Jun, DeMuinck, Ebo D., Zhuang, Zhenwu, Drinane, Mary, Kauser, Katalin, Rubanyi, Gabor M., ...

The genetic loss of endothelial-derived nitric oxide synthase (eNOS) in mice impairs vascular endothelial growth factor (VEGF) and ischemia-initiated blood flow recovery resulting in critical limb...

Origin and evolution of new exons in rodents

Wang, Wen, Zheng, Hongkun, Yang, Shuang, Yu, Haijing, Li, Jun, Jiang, Huifeng, ...

Gene number difference among organisms demonstrates that new gene origination is a fundamental biological process in evolution. Exon shuffling has been universally observed in the formation of new...

ReAS: Recovery of Ancestral Sequences for Transposable Elements from the Unassembled Reads of a Whole Genome Shotgun

Li, Ruiqiang, Ye, Jia, Li, Songgang, Wang, Jing, Han, Yujun, Ye, Chen, ...

We describe an algorithm, ReAS, to recover ancestral sequences for transposable elements (TEs) from the unassembled reads of a whole genome shotgun. The main assumptions are that these TEs must exist...

Genome dynamics and diversity of Shigella species, the etiologic agents of bacillary dysentery

Yang, Fan, Yang, Jian, Zhang, Xiaobing, Chen, Lihong, Jiang, Yan, Yan, Yongliang, ...

The Shigella bacteria cause bacillary dysentery, which remains a significant threat to public health. The genus status and species classification appear no longer valid, as compelling evidence...

ShiBASE: an integrated database for comparative genomics of Shigella

Yang, Jian, Chen, Lihong, Yu, Jun, Sun, Lilian, Jin, Qi

Among the major enteric bacterial pathogens, Shigella is found to display extreme genome diversity and dynamics, which imposes a challenge in comparative genomic studies. To facilitate further...

Compositional Gradients in Gramineae Genes

Wong, Gane Ka-Shu, Wang, Jun, Tao, Lin, Tan, Jun, Zhang, JianGuo, Passey, Douglas A., ...

In this study, we describe a property of Gramineae genes, and perhaps all monocot genes, that is not observed in eudicot genes. Along the direction of transcription, beginning at the junction of the...

Noninvasive Biophotonic Imaging for Monitoring of Catheter-Associated Urinary Tract Infections and Therapy in Mice

Kadurugamuwa, Jagath L., Modi, Kshitij, Yu, Jun, Francis, Kevin P., Purchio, Tony, Contag, Pamela R.

Urinary tract infections (UTIs) are among the most common bacterial infections acquired by humans, particularly in catheterized patients. A major problem with catheterization is the formation of...

Direct evidence for the role of caveolin-1 and caveolae in mechanotransduction and remodeling of blood vessels

Yu, Jun, Bergaya, Sonia, Murata, Takahisa, Alp, Ilkay F., Bauer, Michael P., Lin, Michelle I., ...

Caveolae in endothelial cells have been implicated as plasma membrane microdomains that sense or transduce hemodynamic changes into biochemical signals that regulate vascular function. Therefore we...

Serial Analysis of Gene Expression Study of a Hybrid Rice Strain (LYP9) and Its Parental Cultivars1[w]

Bao, JingYue, Lee, Sanggyu, Chen, Chen, Zhang, XiuQing, Zhang, Yu, Liu, SiQi, ...

Using the serial analysis of gene expression technique, we surveyed transcriptomes of three major tissues (panicles, leaves, and roots) of a super-hybrid rice (Oryza sativa) strain, LYP9, in...

Evolution of alternative splicing after gene duplication

Su, Zhixi, Wang, Jianmin, Yu, Jun, Huang, Xiaoqiu, Gu, Xun

Alternative splicing and gene duplication are two major sources of proteomic function diversity. Here, we study the evolutionary trend of alternative splicing after gene duplication by analyzing the...

Critical function of Bmx/Etk in ischemia-mediated arteriogenesis and angiogenesis

He, Yun, Luo, Yan, Tang, Shibo, Rajantie, Iiro, Salven, Petri, Heil, Matthias, ...

Bmx/Etk non-receptor tyrosine protein kinase has been implicated in endothelial cell migration and tube formation in vitro. However, the role of Bmx in vivo is not known. Bmx is highly induced in the...

Comments on “A Selective Overview of Nonparametric Methods in Financial Econometrics” by Jianqing Fan

Jun Yu

Our comments on Fan’s paper will concentrate on two issues that relate in important ways to the paper’s focus on misspecification and discretization bias and the role of nonparametric methods in...

Comment on “Realized Variance and Market Microstructure Noise” by Peter R. Hansen and Asger Lunde

Jun Yu

We find ourselves very much in agreement with the thrust of HL’s message concerning the complexity induced by microstructure noise. In particular, we agree that noise is time dependent and...

Jackknifing Bond Option Prices

Jun Yu, Peter Phillips

In continuous time specifications, the prices of interest rate derivative securities depend crucially on the mean reversion parameter of the associated interest rate diffusion equation. This...

Asymmetric Response of Volatility: Evidence from Stochastic Volatility Models and Realized Volatility

Jun Yu

This paper examines the asymmetric response of equity volatility to return shocks. We generalize the news impact function (NIF), originally introduced by Engle and Ng (1993) to study asymmetric...

Multivariate Stochastic Volatility Models: Bayesian Estimation and Model Comparison

Jun Yu, Renate Meyer

In this paper we show that fully likelihood-based estimation and comparison of multivariate stochastic volatility (SV) models can be easily performed via a freely available Bayesian software called...

On Leverage in a Stochastic Volatility Model

Jun Yu

This paper is concerned with specification for modelling financial leverage effect in the context of stochastic volatility (SV) models. Two alternative specifications coexist in the literature. One...

Multiple-complete-digest restriction fragment mapping: Generating sequence-ready maps for large-scale DNA sequencing

Wong, Gane K.-S., Yu, Jun, Thayer, Edward C., Olson, Maynard V.

Multiple-complete-digest mapping is a DNA mapping technique based on complete-restriction-digest fingerprints of a set of clones that provides highly redundant coverage of the mapping target. The...

Key Role for DsbA in Cell-to-Cell Spread of Shigella flexneri, Permitting Secretion of Ipa Proteins into Interepithelial Protrusions

Yu, Jun, Edwards-Jones, Bryn, Neyrolles, Olivier, Kroll, J. Simon

DsbA, a disulfide bond catalyst, is necessary for realization of the pathogenic potential of Shigella flexneri. Sh42, a mutant strain differing from wild-type M90TS solely because it expresses...

Visualizing Pneumococcal Infections in the Lungs of Live Mice Using Bioluminescent Streptococcus pneumoniae Transformed with a Novel Gram-Positive lux Transposon

Francis, Kevin P., Yu, Jun, Bellinger-Kawahara, Carolyn, Joh, Danny, Hawkinson, Matthew J., Xiao, Grace, ...

Animal studies with Streptococcus pneumoniae have provided valuable models for drug development. In order to monitor long-term pneumococcal infections noninvasively in living mice, a novel...

Inactivation of DsbA, but Not DsbC and DsbD, Affects the Intracellular Survival and Virulence of Shigella flexneri

Yu, Jun

In this study, three mutants, dsbA::kan, dsbC-kan, and dsbD-kan, of Shigella flexneri serotype 5 were constructed and characterized to investigate the role of the periplasmic thiol:disulfide...

Genome sequence of Shigella flexneri 2a: insights into pathogenicity through comparison with genomes of Escherichia coli K12 and O157

Jin, Qi, Yuan, Zhenghong, Xu, Jianguo, Wang, Yu, Shen, Yan, Lu, Weichuan, ...

We have sequenced the genome of Shigella flexneri serotype 2a, the most prevalent species and serotype that causes bacillary dysentery or shigellosis in man. The whole genome is composed of a...

Direct Continuous Method for Monitoring Biofilm Infection in a Mouse Model

Kadurugamuwa, Jagath L., Sin, Lin, Albert, Eddie, Yu, Jun, Francis, Kevin, DeBoer, Monica, ...

We have developed a rapid, continuous method for real-time monitoring of biofilms, both in vitro and in a mouse infection model, through noninvasive imaging of bioluminescent bacteria colonized on...

Real-Time Monitoring of Bacterial Infection In Vivo: Development of Bioluminescent Staphylococcal Foreign-Body and Deep-Thigh-Wound Mouse Infection Models

Kuklin, Nelly A., Pancari, Gregory D., Tobery, Timothy W., Cope, Leslie, Jackson, Jesse, Gill, Charles, ...

Staphylococcal infections associated with catheter and prosthetic implants are difficult to eradicate and often lead to chronic infections. Development of novel antibacterial therapies requires...

RePS: A Sequence Assembler That Masks Exact Repeats Identified from the Shotgun Data

Wang, Jun, Wong, Gane Ka-Shu, Ni, Peixiang, Han, Yujun, Huang, Xiangang, Zhang, Jianguo, ...

We describe a sequence assembler, RePS (repeat-masked Phrap with scaffolding), that explicitly identifies exact 20mer repeats from the shotgun data and removes them prior to the assembly. The...

A Complete Sequence of the T. tengcongensis Genome

Bao, Qiyu, Tian, Yuqing, Li, Wei, Xu, Zuyuan, Xuan, Zhenyu, Hu, Songnian, ...

Thermoanaerobacter tengcongensis is a rod-shaped, gram-negative, anaerobic eubacterium that was isolated from a freshwater hot spring in Tengchong, China. Using a whole-genome-shotgun method, we...

Minimal Introns Are Not “Junk”

Yu, Jun, Yang, Zhiyong, Kibukawa, Miho, Paddock, Marcia, Passey, Douglas A., Wong, Gane Ka-Shu

Intron-size distributions for most multicellular (and some unicellular) eukaryotes have a sharp peak at their “minimal intron” size. Across the human population, these minimal introns exhibit an...

Rapid Direct Method for Monitoring Antibiotics in a Mouse Model of Bacterial Biofilm Infection

Kadurugamuwa, Jagath L., Sin, Lin V., Yu, Jun, Francis, Kevin P., Kimura, Richard, Purchio, Tony, ...

We have developed a rapid, continuous method for monitoring the effectiveness of several antibacterial agents in real time, noninvasively, by using a recently described mouse model of chronic biofilm...

BGI-RIS: an integrated information resource and comparative analysis workbench for rice genomics

Zhao, Wenming, Wang, Jing, He, Ximiao, Huang, Xiaobing, Jiao, Yongzhi, Dai, Mingtao, ...

Rice is a major food staple for the world’s population and serves as a model species in cereal genome research. The Beijing Genomics Institute (BGI) has long been devoting itself to sequencing,...

Is “Junk” DNA Mostly Intron DNA?

Wong, Gane Ka-Shu, Passey, Douglas A., Huang, Ying-zong, Yang, Zhiyong, Yu, Jun

Among higher eukaryotes, very little of the genome codes for protein. What is in the rest of the genome, or the “junk” DNA, that, in Homo sapiens, is estimated to be almost 97% of the genome? Is...

Identification of a Novel Citrobacter rodentium Type III Secreted Protein, EspI, and Roles of This and Other Secreted Proteins in Infection

Mundy, Rosanna, Petrovska, Liljana, Smollett, Katherine, Simpson, Nandi, Wilson, Rebecca K., Yu, Jun, ...

Citrobacter rodentium is a member of a group of pathogens that colonize the lumen of the host gastrointestinal tract via attaching and effacing (A/E) lesion formation. C. rodentium, which causes...

A Population Threshold for Functional Polymorphisms

Wong, Gane Ka-Shu, Yang, Zhiyong, Passey, Douglas A., Kibukawa, Miho, Paddock, Marcia, Liu, Chun-Rong, ...

We sequenced 114 genes (for DNA repair, cell cycle arrest, apoptosis, and detoxification)in a mixed human population and observed a sudden increase in the number of functional polymorphisms below a...

Noninvasive Optical Imaging Method To Evaluate Postantibiotic Effects on Biofilm Infection In Vivo

Kadurugamuwa, Jagath L., Sin, Lin V., Yu, Jun, Francis, Kevin P., Purchio, Tony F., Contag, Pamela R.

Eradication of Staphylococcus aureus biofilms after rifampin treatment was tested in a mouse model of device-related infection by using biophotonic imaging. Following treatment, the bioluminescent...

A Comparison of Rice Chloroplast Genomes1[w]

Tang, Jiabin, Xia, Hong'ai, Cao, Mengliang, Zhang, Xiuqing, Zeng, Wanyong, Hu, Songnian, ...

Using high quality sequence reads extracted from our whole genome shotgun repository, we assembled two chloroplast genome sequences from two rice (Oryza sativa) varieties, one from 93-11 (a typical...

DNA Microarray Analysis of Genome Dynamics in Yersinia pestis: Insights into Bacterial Genome Microevolution and Niche Adaptation

Zhou, Dongsheng, Han, Yanping, Song, Yajun, Tong, Zongzhong, Wang, Jin, Guo, Zhaobiao, ...

Genomics research provides an unprecedented opportunity for us to probe into the pathogenicity and evolution of the world's most deadly pathogenic bacterium, Yersinia pestis, in minute detail. In our...

The analysis of large-scale gene expression correlated to the phase changes of the migratory locust

Kang, Le, Chen, XiangYong, Zhou, Yan, Liu, BoWan, Zheng, Wei, Li, RuiQiang, ...

The migratory locust is one of the most notorious agricultural pests that undergo a well known reversible, density-dependent phase transition from the solitary to the gregarious. To demonstrate the...

Real-Time In Vivo Bioluminescent Imaging for Evaluating the Efficacy of Antibiotics in a Rat Staphylococcus aureus Endocarditis Model

Xiong, Yan Q., Willard, Julie, Kadurugamuwa, Jagath L., Yu, Jun, Francis, Kevin P., Bayer, Arnold S.

Therapeutic options for invasive Staphylococcus aureus infections have become limited due to rising antimicrobial resistance, making relevant animal model testing of new candidate agents more crucial...

Transcriptional Adaptation of Shigella flexneri during Infection of Macrophages and Epithelial Cells: Insights into the Strategies of a Cytosolic Bacterial Pathogen

Lucchini, Sacha, Liu, Hong, Jin, Qi, Hinton, Jay C. D., Yu, Jun

Shigella flexneri, the etiologic agent of bacillary dysentery, invades epithelial cells as well as macrophages and dendritic cells and escapes into the cytosol soon after invasion. Dissection of the...

VFDB: a reference database for bacterial virulence factors

Chen, Lihong, Yang, Jian, Yu, Jun, Yao, Zhijian, Sun, Lilian, Shen, Yan, ...

Bacterial pathogens continue to impose a major threat to public health worldwide in the 21st century. Intensified studies on bacterial pathogenesis have greatly expanded our knowledge about the...

ChickVD: a sequence variation database for the chicken genome

Wang, Jing, He, Ximiao, Ruan, Jue, Dai, Mingtao, Chen, Jie, Zhang, Yong, ...

Working in parallel with the efforts to sequence the chicken (Gallus gallus) genome, the Beijing Genomics Institute led an international team of scientists from China, USA, UK, Sweden, The...

SilkDB: a knowledgebase for silkworm biology and genomics

Wang, Jing, Xia, Qingyou, He, Ximiao, Dai, Mingtao, Ruan, Jue, Chen, Jie, ...

The Silkworm Knowledgebase (SilkDB) is a web-based repository for the curation, integration and study of silkworm genetic and genomic data. With the recent accomplishment of a ∼6X draft genome...

Endothelial-specific expression of caveolin-1 impairs microvascular permeability and angiogenesis

Bauer, Philip M., Yu, Jun, Chen, Yan, Hickey, Reed, Bernatchez, Pascal N., Looft-Wilson, Robin, ...

The functions of caveolae and/or caveolins in intact animals are beginning to be explored. Here, by using endothelial cell-specific transgenesis of the caveolin-1 (Cav-1) gene in mice, we show the...

Endothelial nitric oxide synthase activation is critical for vascular leakage during acute inflammation in vivo

Bucci, Mariarosaria, Roviezzo, Fiorentina, Posadas, Inmaculada, Yu, Jun, Parente, Luca, Sessa, William C., ...

The role of endothelium-derived nitric oxide (NO) in acute inflammation is not known. Here, we examine acute inflammation in congenic endothelial NO synthase-deficient (eNOS-/-) mice. Intraplantar...

Dissecting the molecular control of endothelial NO synthase by caveolin-1 using cell-permeable peptides

Bernatchez, Pascal N., Bauer, Philip M., Yu, Jun, Prendergast, Jay S., He, Pingnian, Sessa, William C.

In endothelia, NO is synthesized by endothelial NO synthase (eNOS), which is negatively regulated by caveolin-1 (Cav-1), the primary coat protein of caveolae. We show that delivery of Cav-1 amino...

The Genomes of Oryza sativa: A History of Duplications

Yu, Jun, Wang, Jun, Lin, Wei, Li, Songgang, Li, Heng, Zhou, Jun, ...

We report improved whole-genome shotgun sequences for the genomes of indica and japonica rice, both with multimegabase contiguity, or almost 1,000-fold improvement over the drafts of 2002. Tested...

The genome sequence of Salmonella enterica serovar Choleraesuis, a highly invasive and resistant zoonotic pathogen

Chiu, Cheng-Hsun, Tang, Petrus, Chu, Chishih, Hu, Songnian, Bao, Qiyu, Yu, Jun, ...

Salmonella enterica serovar Choleraesuis (S.Choleraesuis), a highly invasive serovar among non-typhoidal Salmonella, usually causes sepsis or extra-intestinal focal infections in humans....

Noninvasive Biophotonic Imaging for Monitoring of Catheter-Associated Urinary Tract Infections and Therapy in Mice

Kadurugamuwa, Jagath L., Modi, Kshitij, Yu, Jun, Francis, Kevin P., Purchio, Tony, Contag, Pamela R.

Urinary tract infections (UTIs) are among the most common bacterial infections acquired by humans, particularly in catheterized patients. A major problem with catheterization is the formation of...

Serial Analysis of Gene Expression Study of a Hybrid Rice Strain (LYP9) and Its Parental Cultivars1[w]

Bao, JingYue, Lee, Sanggyu, Chen, Chen, Zhang, XiuQing, Zhang, Yu, Liu, SiQi, ...

Using the serial analysis of gene expression technique, we surveyed transcriptomes of three major tissues (panicles, leaves, and roots) of a super-hybrid rice (Oryza sativa) strain, LYP9, in...

Akt1/protein kinase Bα is critical for ischemic and VEGF-mediated angiogenesis

Ackah, Eric, Yu, Jun, Zoellner, Stefan, Iwakiri, Yasuko, Skurk, Carsten, Shibata, Rei, ...

Akt, or protein kinase B, is a multifunctional serine-threonine protein kinase implicated in a diverse range of cellular functions including cell metabolism, survival, migration, and gene expression....

Endothelial nitric oxide synthase is critical for ischemic remodeling, mural cell recruitment, and blood flow reserve

Yu, Jun, DeMuinck, Ebo D., Zhuang, Zhenwu, Drinane, Mary, Kauser, Katalin, Rubanyi, Gabor M., ...

The genetic loss of endothelial-derived nitric oxide synthase (eNOS) in mice impairs vascular endothelial growth factor (VEGF) and ischemia-initiated blood flow recovery resulting in critical limb...

Origin and evolution of new exons in rodents

Wang, Wen, Zheng, Hongkun, Yang, Shuang, Yu, Haijing, Li, Jun, Jiang, Huifeng, ...

Gene number difference among organisms demonstrates that new gene origination is a fundamental biological process in evolution. Exon shuffling has been universally observed in the formation of new...

ReAS: Recovery of Ancestral Sequences for Transposable Elements from the Unassembled Reads of a Whole Genome Shotgun

Li, Ruiqiang, Ye, Jia, Li, Songgang, Wang, Jing, Han, Yujun, Ye, Chen, ...

We describe an algorithm, ReAS, to recover ancestral sequences for transposable elements (TEs) from the unassembled reads of a whole genome shotgun. The main assumptions are that these TEs must exist...

Genome dynamics and diversity of Shigella species, the etiologic agents of bacillary dysentery

Yang, Fan, Yang, Jian, Zhang, Xiaobing, Chen, Lihong, Jiang, Yan, Yan, Yongliang, ...

The Shigella bacteria cause bacillary dysentery, which remains a significant threat to public health. The genus status and species classification appear no longer valid, as compelling evidence...

ShiBASE: an integrated database for comparative genomics of Shigella

Yang, Jian, Chen, Lihong, Yu, Jun, Sun, Lilian, Jin, Qi

Among the major enteric bacterial pathogens, Shigella is found to display extreme genome diversity and dynamics, which imposes a challenge in comparative genomic studies. To facilitate further...

Evolution of alternative splicing after gene duplication

Su, Zhixi, Wang, Jianmin, Yu, Jun, Huang, Xiaoqiu, Gu, Xun

Alternative splicing and gene duplication are two major sources of proteomic function diversity. Here, we study the evolutionary trend of alternative splicing after gene duplication by analyzing the...

Compositional Gradients in Gramineae Genes

Wong, Gane Ka-Shu, Wang, Jun, Tao, Lin, Tan, Jun, Zhang, JianGuo, Passey, Douglas A., ...

In this study, we describe a property of Gramineae genes, and perhaps all monocot genes, that is not observed in eudicot genes. Along the direction of transcription, beginning at the junction of the...

Direct evidence for the role of caveolin-1 and caveolae in mechanotransduction and remodeling of blood vessels

Yu, Jun, Bergaya, Sonia, Murata, Takahisa, Alp, Ilkay F., Bauer, Michael P., Lin, Michelle I., ...

Caveolae in endothelial cells have been implicated as plasma membrane microdomains that sense or transduce hemodynamic changes into biochemical signals that regulate vascular function. Therefore we...

Critical function of Bmx/Etk in ischemia-mediated arteriogenesis and angiogenesis

He, Yun, Luo, Yan, Tang, Shibo, Rajantie, Iiro, Salven, Petri, Heil, Matthias, ...

Bmx/Etk non-receptor tyrosine protein kinase has been implicated in endothelial cell migration and tube formation in vitro. However, the role of Bmx in vivo is not known. Bmx is highly induced in the...

Identification of a receptor necessary for Nogo-B stimulated chemotaxis and morphogenesis of endothelial cells

Miao, Robert Qing, Gao, Yuan, Harrison, Kenneth D., Prendergast, Jay, Acevedo, Lisette M., Yu, Jun, ...

Nogo isoforms (Nogo-A and -B) have been implicated in regulating neural and cardiovascular functions, such as cell spreading and chemotaxis. Unlike the loop domain (Nogo-66) found in all Nogo...

The Rice Mitochondrial Genomes and Their Variations1[W]

Tian, Xiangjun, Zheng, Jing, Hu, Songnian, Yu, Jun

Based on highly redundant and high-quality sequences, we assembled rice (Oryza sativa) mitochondrial genomes for two cultivars, 93-11 (an indica variety) and PA64S (an indica-like variety with...

Influenza Virus Database (IVDB): an integrated information resource and analysis platform for influenza virus research

Chang, Suhua, Zhang, Jiajie, Liao, Xiaoyun, Zhu, Xinxing, Wang, Dahai, Zhu, Jiang, ...

Frequent outbreaks of highly pathogenic avian influenza and the increasing data available for comparative analysis require a central database specialized in influenza viruses (IVs). We have...

Information Loss in Volatility Measurement with Flat Price Trading

Jun Yu

A model of price determination is proposed that incorporates flat trading features into an efficient price process. The model involves the superposition of a Brownian semimartingale process for the...

Maximum Likelihood and Gaussian Estimation of Continuous Time Models in Finance

Jun Yu

This paper overviews maximum likelihood and Gaussian methods of estimating continuous time models used in finance. Since the exact likelihood can be constructed only in special cases, much attention...

Simulation-based Estimation of Contingent-claims Prices

Jun Yu

A new methodology is proposed to estimate theoretical prices of financial contingent-claims whose values are dependent on some other underlying financial assets. In the literature the preferred...

Porcine transcriptome analysis based on 97 non-normalized cDNA libraries and assembly of 1,021,891 expressed sequence tags

Gorodkin, Jan, Cirera, Susanna, Hedegaard, Jakob, Gilchrist, Michael J, Panitz, Frank, Jørgensen, Claus, ...

A resource consisting of one million porcine ESTs is described, providing an essential resource for annotation, comparative genomics, assembly of the pig genome sequence, and further porcine...

VFDB 2008 release: an enhanced web-based resource for comparative pathogenomics

Yang, Jian, Chen, Lihong, Sun, Lilian, Yu, Jun, Jin, Qi

Virulence factor database (VFDB) was set up in 2004 dedicated for providing current knowledge of virulence factors (VFs) from various medical significant bacterial pathogens to facilitate...

Reexpression of caveolin-1 in endothelium rescues the vascular, cardiac, and pulmonary defects in global caveolin-1 knockout mice

Murata, Takahisa, Lin, Michelle I., Huang, Yan, Yu, Jun, Bauer, Phillip Michael, Giordano, Frank J., ...

Caveolin-1 (Cav-1) is the principal structural component of caveolae organelles in smooth muscle cells, adipocytes, fibroblasts, epithelial cells, and endothelial cells (ECs). Cav-1–deficient...

Environmental Adaptation: Genomic Analysis of the Piezotolerant and Psychrotolerant Deep-Sea Iron Reducing Bacterium Shewanella piezotolerans WP3

Wang, Fengping, Wang, Jianbin, Jian, Huahua, Zhang, Bing, Li, Shengkang, Wang, Feng, ...

Shewanella species are widespread in various environments. Here, the genome sequence of Shewanella piezotolerans WP3, a piezotolerant and psychrotolerant iron reducing bacterium from deep-sea...

On leverage in a stochastic volatility model

Jun Yu

This paper is concerned with specification for modelling financial leverage effect in the context of stochastic volatility (SV) models. Two alternative specifications co-exist in the literature. One...

A Class of Nonlinear Stochastic Volatility Models and Its Implications on Pricing Currency Options

Jun Yu, Zhenlin Yang, Xibin Zhang

This paper proposes a class of stochastic volatility (SV) models which offers an alternative to the one introduced in Andersen (1994). The class encompasses all standard SV models that have appeared...

A Gaussian approach for continuous time models of the short-term interest rate

JUN YU

This paper proposes a Gaussian estimator for nonlinear continuous time models of the short-term interest rate. The approach is based on a stopping time argument that produces a normalizing...

BUGS for a Bayesian analysis of stochastic volatility models

RENATE MEYER, JUN YU

This paper reviews the general Bayesian approach to parameter estimation in stochastic volatility models with posterior computations performed by Gibbs sampling. The main purpose is to illustrate the...

EMPIRICAL CHARACTERISTIC FUNCTION IN TIME SERIES ESTIMATION

Knight, John L., Yu, Jun

Because the empirical characteristic function (ECF) is the Fourier transform of the empirical distribution function, it retains all the information in the sample but can overcome difficulties arising...

Jackknifing Bond Option Prices

Jun Yu

In continuous time specifications, the prices of interest rate derivative securities depend crucially on the mean reversion parameter of the associated interest rate diffusion equation. This...

Gaussian Estimation of Continuous Time Models of the Short Term Interest Rate

Jun Yu

This paper proposes a Gaussian estimator for nonlinear continuous time models of the short term interest rate. The approach is based on a stopping time argument that produces a normalizing...

On Leverage in a Stochastic Volatility Model

Jun Yu

This paper is concerned with specification for modelling financial leverage effect in the context of stochastic volatility (SV) models. Two alternative specifications co-exist in the literature. One...

Forecasting Volatility in the New Zealand Stock Market.

Yu, Jun

This study evaluates the performance of nine alternative models for predicting stock price volatility using daily New Zealand data. The competing models contain both simple models such as the random...

Multivariate Stochastic Volatility Models: Bayesian Estimation and Model Comparison

Jun Yu, Renate Meyer

In this paper we show that fully likelihood-based estimation and comparison of multivariate stochastic volatility (SV) models can be easily performed via a freely available Bayesian software called...

Multivariate Stochastic Volatility: A Review

Manabu Asai, Michael McAleer, Jun Yu

The literature on multivariate stochastic volatility (MSV) models has developed significantly over the last few years. This paper reviews the substantial literature on specification, estimation, and...

Prohibitin-1 maintains the angiogenic capacity of endothelial cells by regulating mitochondrial function and senescence

Schleicher, Michael, Shepherd, Benjamin R., Suarez, Yajaira, Fernandez-Hernando, Carlos, Yu, Jun, Pan, Yong, ...

Prohibitin 1 (PHB1) is a highly conserved protein that is mainly localized to the inner mitochondrial membrane and has been implicated in regulating mitochondrial function in yeast. Because...

A comprehensive crop genome research project: the Superhybrid Rice Genome Project in China

Yu, Jun, Liu, Siqi, Wang, Jian, Yang, Huanming

In May 2000, the Beijing Institute of Genomics formally announced the launch of a comprehensive crop genome research project on rice genomics, the Chinese Superhybrid Rice Genome Project. SRGP is not...

Explosive Behavior in the 1990s Nasdaq: When Did Exuberance Escalate Asset Values?

Yangru Wu, Jun Yu

A recursive test procedure is suggested that provides a mechanism for testing explosive behavior, date-stamping the origination and collapse of economic exuberance, and providing valid confidence...

A novel DNA sequence periodicity decodes nucleosome positioning

Chen, Kaifu, Meng, Qingshu, Ma, Lina, Liu, Qingyou, Tang, Petrus, Chiu, Chungshung, ...

There have been two types of well-characterized DNA sequence periodicities; both are found to be associated with important molecular mechanisms. One is a 3-nt periodicity corresponding to codon...

EMPIRICAL CHARACTERISTIC FUNCTION IN TIME SERIES ESTIMATION

Knight, John L., Yu, Jun

Because the empirical characteristic function (ECF) is the Fourier transform of the empirical distribution function, it retains all the information in the sample but can overcome difficulties arising...

Trade Retaliation in a Monetary-Trade Model

John Whalley, Jun Yu, Shunming Zhang

We explore how outcomes of trade policy retaliation (Nash tariff games) are affected when trade simultaneously takes places geographically across countries and through time via financial...

Thrombospondin-2 Modulates Extracellular Matrix Remodeling during Physiological Angiogenesis

Krady, Marie M., Zeng, Jianmin, Yu, Jun, MacLauchlan, Susan, Skokos, Eleni A., Tian, Weiming, ...

Thrombospondin 2 (TSP2) can inhibit angiogenesis in vitro by limiting proliferation and inducing apoptosis of endothelial cells (ECs). TSP2 can also modulate the extracellular levels of gelatinases...

Dicer-dependent endothelial microRNAs are necessary for postnatal angiogenesis

Suárez, Yajaira, Fernández-Hernando, Carlos, Yu, Jun, Gerber, Scott A., Harrison, Kenneth D., Pober, Jordan S., ...

Posttranscriptional gene regulation by microRNAs (miRNAs) is important for many aspects of development, homeostasis, and disease. Here, we show that reduction of endothelial miRNAs by cell-specific...

Information Loss in Volatility Measurement with Flat Price Trading

Jun Yu

A model of financial asset price determination is proposed that incorporates flat trading features into an efficient price process. The model involves the superposition of a Brownian semimartingale...

Temporal Aggregation and Risk-Return Relation

Jun Yu

The function form of a linear intertemporal relation between risk and return is suggested by Merton’s (1973) analytical work for instantaneous returns, whereas empirical studies have examined the...

Explosive Behavior in the 1990s Nasdaq: When Did Exuberance Escalate Asset Values?

Yangru Wu, Jun Yu

A recursive test procedure is suggested that provides a mechanism for testing explosive behavior, date-stamping the origination and collapse of economic exuberance, and providing valid confidence...

Anti-Helicobacter pylori therapy followed by celecoxib on progression of gastric precancerous lesions

Zhang, Li-Jing, Wang, Shi-Yan, Huo, Xiao-Hui, Zhu, Zhen-Long, Chu, Jian-Kun, Ma, Jin-Cheng, ...

AIM: To evaluate whether celecoxib, a selective cyclooxygenase 2 (COX-2) inhibitor, could reduce the severity of gastric precancerous lesions following Helicobacter pylori (H pylori) eradication.

High-carbohydrate Diets Affect the Size and Composition of Plasma Lipoproteins in Hamsters (Mesocricetus auratus)

Wang, Limin, Yu, Jun, Walzem, Rosemary L

High-carbohydrate diets reduce plasma low-density lipoprotein (LDL)–cholesterol but also provoke the appearance of an atherogenic lipoprotein profile (ALP). Characterized by high plasma...

Interaction of Enteric Bacterial Pathogens with Murine Embryonic Stem Cells ▿ †

Yu, Jun, Rossi, Raffaella, Hale, Christine, Goulding, David, Dougan, Gordon

Embryonic stem (ES) cells are susceptible to genetic manipulation and retain the potential to differentiate into diverse cell types, which are factors that make them potentially attractive cells for...

Construction and Application of an Inducible System for Homogenous Expression Levels in Bulk Cell Lines

Yu, Jun, Mϋller, Helena, Hehn, Sina, Koschmieder, Steffen, Schönig, Kai, Berdel, Wolfgang E., ...

Stringently controlled conditional expressing systems are crucial for the functional characterization of genes. Currently, screening of multiple clones to identify the tightly controlled ones is...

A two-stage realized volatility approach to estimation of diffusion processes with discrete data

Phillips, Peter C.B., Yu, Jun

This paper motivates and introduces a two-stage method of estimating diffusion processes based on discretely sampled observations. In the first stage we make use of the feasible central limit theory...

Simulation-Based Estimation of Contingent-Claims Prices

Jun Yu

A new methodology is proposed to estimate theoretical prices of financial contingent claims whose values are dependent on some other underlying financial assets. In the literature, the preferred...

A transcriptomic analysis of superhybrid rice LYP9 and its parents

Wei, Gang, Tao, Yong, Liu, Guozhen, Chen, Chen, Luo, Renyuan, Xia, Hongai, ...

By using a whole-genome oligonucleotide microarray, designed based on known and predicted indica rice genes, we investigated transcriptome profiles in developing leaves and panicles of superhybrid...