Yoshifumi Itoh

Publication List Details

Period

1990 - 2007

Number

32

Co-Authors

Poly-gamma-Glutamate Capsule-Degrading Enzyme Treatment Enhances Phagocytosis and Killing of Encapsulated Bacillus Anthracis (2007)

Scorpio, Angelo, Chabot, Donald J., Day, William A., O'Brien, David K., Vietri, Nicholas J., Itoh, Yoshifumi, ...

The poly gamma-D-glutamic acid capsule confers antiphagocytic properties on Bacillus anthracis and is essential for virulence. In this study, we showed that two recombinant glutamylases: CapD, a...

Rice chitinases: sugar recognition specificities of the individual subsites (2006)

Sasaki, Chiye, Vårum, Kjell M., Itoh, Yoshifumi, Tamoi, Masahiro, Fukamizo, Tamo

Sugar recognition specificities of class III (OsChib1a) and class I (OsChia1cΔChBD) chitinases from rice, Oryza sativa L., were investigated by analyzing 1H- and 13C-nuclear magnetic resonance...

Rice chitinases: sugar recognition specificities of the individual subsites (2006)

Sasaki, Chiye, Vårum, Kjell M., Itoh, Yoshifumi, Tamoi, Masahiro, Fukamizo, Tamo

Sugar recognition specificities of class III (OsChib1a) and class I (OsChia1cΔChBD) chitinases from rice, Oryza sativa L., were investigated by analyzing 1H- and 13C-NMR spectra of the enzymatic...

Rice chitinases: sugar recognition specificities of the individual subsites (2006)

Sasaki, Chiye, Vårum, Kjell M., Itoh, Yoshifumi, Tamoi, Masahiro, Fukamizo, Tamo

Sugar recognition specificities of class III (OsChib1a) and class I (OsChia1cΔChBD) chitinases from rice, Oryza sativa L., were investigated by analyzing 1H- and 13C-NMR spectra of the enzymatic...

Fabrication and photoluminescence of highly crystalline GaN and GaN:Mg nanoparticles (2005)

Ogi, Takashi, Itoh, Yoshifumi, Abdullah, Mikrajuddin, Iskandar, Ferry, Azuma, Yasushi, Okuyama, Kikuo

Well-dispersed nano-sized gallium nitride (GaN) and magnesium-doped GaN (GaN:Mg) particles were successfully prepared fromnano-sized galliumoxide (Ga2O3) particles under a flow of ammonia gas. The...

Comparative Study of the Reaction Mechanism of Eamily 18 Chitinases from Plants and Microbes (2002)

Sasaki, Chiye, Yokoyama, Ai, Itoh, Yoshifumi, Hashimoto, Masayuki, Watanabe, Takeshi, Fukamizo, Tamo

Hydrolytic mechanisms of family 18 chitinases from rice (Oryza sativa L) and Bacillus circulans WL-12 were comparatively studied by a combination of HPLC analysis of the reaction products and...

Molecular Characterization and Regulation of the aguBA Operon, Responsible for Agmatine Utilization in Pseudomonas aeruginosa PAO1

Nakada, Yuji, Jiang, Ying, Nishijyo, Takayuki, Itoh, Yoshifumi, Lu, Chung-Dar

Pseudomonas aeruginosa PAO1 utilizes agmatine as the sole carbon and nitrogen source via two reactions catalyzed successively by agmatine deiminase (encoded by aguA; also called agmatine...

Molecular Characterization and Regulation of an Operon Encoding a System for Transport of Arginine and Ornithine and the ArgR Regulatory Protein in Pseudomonas aeruginosa

Nishijyo, Takayuki, Park, Seung-Moon, Lu, Chung-Dar, Itoh, Yoshifumi, Abdelal, Ahmed T.

The complete nucleotide sequence for the aot operon of Pseudomonas aeruginosa PAO1 was determined. This operon contains six open reading frames. The derived sequences for four of these, aotJ, aotQ,...

A New IS4 Family Insertion Sequence, IS4Bsu1, Responsible for Genetic Instability of Poly-γ-Glutamic Acid Production in Bacillus subtilis

Nagai, Toshiro, Phan Tran, Lam-Son, Inatsu, Yasuhiro, Itoh, Yoshifumi

Certain Bacillus subtilis strains, such as B. subtilis (natto) starter strains for the manufacture of natto (fermented soybeans), produce capsular poly-γ-glutamate (γPGA). In B. subtilis (natto),...

Homophilic complex formation of MT1-MMP facilitates proMMP-2 activation on the cell surface and promotes tumor cell invasion

Itoh, Yoshifumi, Takamura, Akiko, Ito, Noriko, Maru, Yoshiro, Sato, Hiroshi, Suenaga, Naoko, ...

Activation of proMMP-2 by MT1-MMP is considered to be a critical event in cancer cell invasion. In the activation step, TIMP-2 bound to MT1-MMP on the cell surface acts as a receptor for proMMP-2....

CD44 directs membrane-type 1 matrix metalloproteinase to lamellipodia by associating with its hemopexin-like domain

Mori, Hidetoshi, Tomari, Taizo, Koshikawa, Naohiko, Kajita, Masahiro, Itoh, Yoshifumi, Sato, Hiroshi, ...

Membrane-type 1 matrix metalloproteinase (MT1- MMP) localizes at the front of migrating cells and degrades the extracellular matrix barrier during cancer invasion. However, it is poorly understood...

Characterization and Regulation of the gbuA Gene, Encoding Guanidinobutyrase in the Arginine Dehydrogenase Pathway of Pseudomonas aeruginosa PAO1

Nakada, Yuji, Itoh, Yoshifumi

The arginine dehydrogenase (or oxidase) pathway catabolically converts arginine to succinate via 2-ketoglutarate and 4-guanidinobutyrate (4-GB) with the concomitant formation of CO2 and urea....

Functional Analysis and Regulation of the Divergent spuABCDEFGH-spuI Operons for Polyamine Uptake and Utilization in Pseudomonas aeruginosa PAO1

Lu, Chung-Dar, Itoh, Yoshifumi, Nakada, Yuji, Jiang, Ying

A multiple-gene locus for polyamine uptake and utilization was discovered in Pseudomonas aeruginosa PAO1. This locus contained nine genes designated spuABCDEFGHI (spu for spermidine and putrescine...

Divergent Structure and Regulatory Mechanism of Proline Catabolic Systems: Characterization of the putAP Proline Catabolic Operon of Pseudomonas aeruginosa PAO1 and Its Regulation by PruR, an AraC/XylS Family Protein

Nakada, Yuji, Nishijyo, Takayuki, Itoh, Yoshifumi

Pseudomonas aeruginosa PAO1 utilizes proline as the sole source of carbon and nitrogen via a bifunctional enzyme (the putA gene product) that has both proline dehydrogenase (EC 1.5.99.8) and...

Characterization of Poly-γ-Glutamate Hydrolase Encoded by a Bacteriophage Genome: Possible Role in Phage Infection of Bacillus subtilis Encapsulated with Poly-γ-Glutamate

Kimura, Keitarou, Itoh, Yoshifumi

Some Bacillus subtilis strains, including natto (fermented soybeans) starter strains, produce a capsular polypeptide of glutamate with a γ-linkage, called poly-γ-glutamate (γ-PGA). We identified...

Molecular Characterization and Regulation of the aguBA Operon, Responsible for Agmatine Utilization in Pseudomonas aeruginosa PAO1

Nakada, Yuji, Jiang, Ying, Nishijyo, Takayuki, Itoh, Yoshifumi, Lu, Chung-Dar

Pseudomonas aeruginosa PAO1 utilizes agmatine as the sole carbon and nitrogen source via two reactions catalyzed successively by agmatine deiminase (encoded by aguA; also called agmatine...

Molecular Characterization and Regulation of an Operon Encoding a System for Transport of Arginine and Ornithine and the ArgR Regulatory Protein in Pseudomonas aeruginosa

Nishijyo, Takayuki, Park, Seung-Moon, Lu, Chung-Dar, Itoh, Yoshifumi, Abdelal, Ahmed T.

The complete nucleotide sequence for the aot operon of Pseudomonas aeruginosa PAO1 was determined. This operon contains six open reading frames. The derived sequences for four of these, aotJ, aotQ,...

A New IS4 Family Insertion Sequence, IS4Bsu1, Responsible for Genetic Instability of Poly-γ-Glutamic Acid Production in Bacillus subtilis

Nagai, Toshiro, Phan Tran, Lam-Son, Inatsu, Yasuhiro, Itoh, Yoshifumi

Certain Bacillus subtilis strains, such as B. subtilis (natto) starter strains for the manufacture of natto (fermented soybeans), produce capsular poly-γ-glutamate (γPGA). In B. subtilis (natto),...

Homophilic complex formation of MT1-MMP facilitates proMMP-2 activation on the cell surface and promotes tumor cell invasion

Itoh, Yoshifumi, Takamura, Akiko, Ito, Noriko, Maru, Yoshiro, Sato, Hiroshi, Suenaga, Naoko, ...

Activation of proMMP-2 by MT1-MMP is considered to be a critical event in cancer cell invasion. In the activation step, TIMP-2 bound to MT1-MMP on the cell surface acts as a receptor for proMMP-2....

CD44 directs membrane-type 1 matrix metalloproteinase to lamellipodia by associating with its hemopexin-like domain

Mori, Hidetoshi, Tomari, Taizo, Koshikawa, Naohiko, Kajita, Masahiro, Itoh, Yoshifumi, Sato, Hiroshi, ...

Membrane-type 1 matrix metalloproteinase (MT1- MMP) localizes at the front of migrating cells and degrades the extracellular matrix barrier during cancer invasion. However, it is poorly understood...

Characterization and Regulation of the gbuA Gene, Encoding Guanidinobutyrase in the Arginine Dehydrogenase Pathway of Pseudomonas aeruginosa PAO1

Nakada, Yuji, Itoh, Yoshifumi

The arginine dehydrogenase (or oxidase) pathway catabolically converts arginine to succinate via 2-ketoglutarate and 4-guanidinobutyrate (4-GB) with the concomitant formation of CO2 and urea....

Functional Analysis and Regulation of the Divergent spuABCDEFGH-spuI Operons for Polyamine Uptake and Utilization in Pseudomonas aeruginosa PAO1

Lu, Chung-Dar, Itoh, Yoshifumi, Nakada, Yuji, Jiang, Ying

A multiple-gene locus for polyamine uptake and utilization was discovered in Pseudomonas aeruginosa PAO1. This locus contained nine genes designated spuABCDEFGHI (spu for spermidine and putrescine...

Divergent Structure and Regulatory Mechanism of Proline Catabolic Systems: Characterization of the putAP Proline Catabolic Operon of Pseudomonas aeruginosa PAO1 and Its Regulation by PruR, an AraC/XylS Family Protein

Nakada, Yuji, Nishijyo, Takayuki, Itoh, Yoshifumi

Pseudomonas aeruginosa PAO1 utilizes proline as the sole source of carbon and nitrogen via a bifunctional enzyme (the putA gene product) that has both proline dehydrogenase (EC 1.5.99.8) and...

Characterization of Poly-γ-Glutamate Hydrolase Encoded by a Bacteriophage Genome: Possible Role in Phage Infection of Bacillus subtilis Encapsulated with Poly-γ-Glutamate

Kimura, Keitarou, Itoh, Yoshifumi

Some Bacillus subtilis strains, including natto (fermented soybeans) starter strains, produce a capsular polypeptide of glutamate with a γ-linkage, called poly-γ-glutamate (γ-PGA). We identified...

Cell Surface Collagenolysis Requires Homodimerization of the Membrane-bound Collagenase MT1-MMP

Itoh, Yoshifumi, Ito, Noriko, Nagase, Hideaki, Evans, Richard D., Bird, Sarah A., Seiki, Motoharu

Pericellular degradation of interstitial collagens is a crucial event for cells to migrate through the dense connective tissue matrices, where collagens exist as insoluble fibers. A key proteinase...

Poly-γ-Glutamate Capsule-Degrading Enzyme Treatment Enhances Phagocytosis and Killing of Encapsulated Bacillus anthracis▿

Scorpio, Angelo, Chabot, Donald J., Day, William A., O'Brien, David K., Vietri, Nicholas J., Itoh, Yoshifumi, ...

The poly-γ-d-glutamic acid capsule confers antiphagocytic properties on Bacillus anthracis and is essential for virulence. In this study, we showed that CapD, a γ-polyglutamic acid depolymerase...

Membrane-Type 1 Matrix Metalloproteinase Cleaves Cd44 and Promotes Cell Migration

Kajita, Masahiro, Itoh, Yoshifumi, Chiba, Tadashige, Mori, Hidetoshi, Okada, Akiko, Kinoh, Hiroaki, ...

Migratory cells including invasive tumor cells frequently express CD44, a major receptor for hyaluronan and membrane-type 1 matrix metalloproteinase (MT1-MMP) that degrades extracellular matrix at...

Cytoplasmic tail–dependent internalization of membrane-type 1 matrix metalloproteinase is important for its invasion-promoting activity

Uekita, Takamasa, Itoh, Yoshifumi, Yana, Ikuo, Ohno, Hiroshi, Seiki, Motoharu

Membrane-type 1 matrix metalloproteinase (MT1-MMP) is an integral membrane proteinase that degrades the pericellular extracellular matrix (ECM) and is expressed in many migratory cells, including...

Binding Sequences for RdgB, a DNA Damage-Responsive Transcriptional Activator, and Temperature-Dependent Expression of Bacteriocin and Pectin Lyase Genes in Pectobacterium carotovorum subsp. carotovorum▿ †

Yamada, Kazuteru, Kaneko, Jun, Kamio, Yoshiyuki, Itoh, Yoshifumi

Pectobacterium carotovorum subsp. carotovorum strain Er simultaneously produces the phage tail-like bacteriocin carotovoricin (Ctv) and pectin lyase (Pnl) in response to DNA-damaging agents. The...

The Second Dimer Interface of MT1-MMP, the Transmembrane Domain, Is Essential for ProMMP-2 Activation on the Cell Surface*

Itoh, Yoshifumi, Ito, Noriko, Nagase, Hideaki, Seiki, Motoharu

Activation of proMMP-2 and cell surface collagenolysis are important activities of membrane-type 1 matrix metalloproteinase (MT1-MMP) to promote cell migration in tissue, and these activities are...

The Membrane Lipoprotein LppX of Paenibacillus sp. Strain W-61 Serves as a Molecular Chaperone for Xylanase of Glycoside Hydrolase Family 11 during Secretion across the Cytoplasmic Membrane▿ †

Fukuda, Mutsumi, Watanabe, Seiji, Kaneko, Jun, Itoh, Yoshifumi, Kamio, Yoshiyuki

Paenibacillus sp. strain W-61, which can utilize xylan as the sole source of carbon and energy, produces extracellular xylanases 1 and 3 (Xyn1 and Xyn3) and cell surface xylanase 5. In this study we...