K. Murata

Publication List Details

Period

1956 - 2009

Number

102

Co-Authors

Contrasting Pressure Effects in Sr2VFeAsO3 and Sr2ScFePO3 (2009)

Kotegawa, H., Kawazoe, T., Tou, H., Murata, K., Ogino, H., Kishio, K., ...

We report the resistivity measurements under pressure of two Fe-based superconductors with a thick perovskite oxide layer, Sr2VFeAsO3 and Sr2ScFePO3. The superconducting transition temperature Tc of...

Effect of Uniaxial Stress for Pressure-Induced Superconductor SrFe_2As_2 (2009)

Kotegawa, H., Kawazoe, T., Sugawara, H., Murata, K., Tou, H.

We report that the pressure-temperature phase diagram of single-crystalline SrFe$_2$As$_2$ is easily affected by the hydrostaticity of a pressure-transmitting medium. For all of the three mediums we...

Precise Pressure Dependence of the Superconducting Transition Temperature of FeSe: Resistivity and ^77Se--NMR Study (2009)

Masaki, S., Kotegawa, H., Hara, Y., Tou, H., Murata, K., Mizuguchi, Y., ...

We report the precise pressure dependence of FeSe from a resistivity measurement up to 4.15 GPa. Superconducting transition temperature (T_c) increases sensitively under pressure, but shows a plateau...

Pressure E ect on Superconductivity and Normal State of Sr2RuO4 (2007)

N. Shirakawa, K. Murata, Y. Maeno Y, T. Fujita Z

We studied electrical resistivity and the Hall coe cient of single-crystalline samples of an oxide superconductor Sr2RuO4 under hydrostatic pressures up to 1.2 GPa. The value of Tc decreases by 36 %...

Toxoplasma gondii Does Not Persist In Goldfish (Carassius auratus) (2005)

Y. Omata, Y. Umeshita, T. Murao, R. Kano, H. Kamiya, A. Kudo, ...

Recent reports of toxoplasmosis in marine mammals raise concern that cold-blooded marine animals are a potential source of Toxoplasma gondii infection. To examine the transmissibility of T. gondii to...

The Prevalence of Toxoplasma gondii Antibodies in Wild and Captive Cetaceans From Japan (2004)

K. Murata, K. Mizuta, K. Imazu, F. Terasawa, M. Taki, T. Endoh

The seroprevalence of Toxoplasma gondii was investigated in wild and captive cetaceans from Japan. Antibodies against T. gondii were examined by both latex agglutination test (LAT) and indirect...

Magnetization, thermoelectric, and pressure studies of the magnetic field-induced metal to insulator transition in tau phase organic conductors (2004)

Graf, D., Choi, E. S., Brooks, J. S., Harrison, N., Murata, K., Konoike, T., ...

We have investigated the magnetic field-induced metal-insulator transition in the tau-phase organic conductors, which occurs in fields above 35 T, and below 14 K, by magnetization, thermoelectric,...

X-Ray and Gamma-Ray Emission from the PSR 1259-63 / Be Star System (2003)

Murata, K., Tamaki, H., Maki, H., Shibazaki, N.

PSR 1259-63 is a radio pulsar orbiting a Be star in a highly eccentric orbit. Soft and hard X-rays are observed from this binary system. We apply the shock powered emission model to this system. The...

Correlation between facial morphology, mouth opening ability, and condylar movement during opening-closing jaw movements in female adults with normal occlusion (2002)

Fukui, T., Tsuruta, M., Murata, K., Wakimoto, Y., Tokiwa, H., Kuwahara, Y.

The aim of this study was to investigate the relationship between parameters of facial morphology, maximal voluntary mouth opening ability, and condylar movements in 21 adult females, aged between 20...

Identification of the Sex of a Wide Range of Carinatae Birds by PCR Using Primer Sets Selected from Chicken EE0.6 and Its Related Sequences (2001)

Itoh, Y., Suzuki, M., Ogawa, A., Munechika, I., Murata, K., Mizuno, S.

A 0.6 kb EcoRI fragment (EE0.6), cloned from the W chromosome of chickens, is a nonrepetitive sequence and contains an exonlike sequence, ET15, which is likely a part of a pseudogene. The EE0.6...

Porting and Enhancements of a Real-time Object-Oriented Operating System (1995)

Bryce Murata, R. W. Bryce, K. Murata, G. C. Shoja, E. G. Manning

This paper describes our experiences in porting a distributed object oriented real-time operating system called Apertos 1 to a new RISC platform, and some enhancements made to improve its...

Myocardial {beta}-receptor and cardiac angiotensin alterations during the acute and chronic phases of viral myocarditis (1994)

KANDA, T., ADACHI, H., OHNO, T., SUZUKI, T., MURATA, K.

Recovery from viral myocarditis is usually excellent and complete although it occasionally results in sudden death during its acute stage. While neurohormonal mechanisms play an important role in the...

SEVOFLURANE DOES NOT INCREASE INTRACRANIAL PRESSURE IN HYPERVENTILATED DOGS (1993)

TAKAHASHI, H., MURATA, K., IKEDA, K.

We have measured the effects of 0.5, 1.0 and 1.5 MAC (minimum alveolar concentration) endtidal concentrations of sevollurane on intracranial pressure (ICP), cerebral perfusion pressure (CPP), mean...

A MONTE CARLO SIMULATION APPROACH TO THIN FILM ELECTRON MICROPROBE ANALYSIS BASED ON THE USE OF MOTT SCATTERING CROSS-SECTIONS (1984)

Murata, K., Cvikevich, S., Kuptsis, J.

EPMA thin film analysis has been performed using a Monte Carlo simulation which is based on the Mott cross sections for elastic scattering. The cross sections for various elements are derived from...

THEORETICAL STUDY OF THE SPATIAL RESOLUTION OF X-RAY MICROANALYSIS IN ANALYTICAL ELECTRON MICROSCOPY (1984)

Murata, K., Kawamura, M., Nagami, K.

The spatial resolution of X-ray microanalysis has been investigated by Monte Carlo calculations, including knock-on secondary electron production. The results for AuMα in a l000Å thin Au film...

A MONTE CARLO SIMULATION APPROACH TO THIN FILM ELECTRON MICROPROBE ANALYSIS BASED ON THE USE OF MOTT SCATTERING CROSS-SECTIONS (1984)

Murata, K., Cvikevich, S., Kuptsis, J.

EPMA thin film analysis has been performed using a Monte Carlo simulation which is based on the Mott cross sections for elastic scattering. The cross sections for various elements are derived from...

THEORETICAL STUDY OF THE SPATIAL RESOLUTION OF X-RAY MICROANALYSIS IN ANALYTICAL ELECTRON MICROSCOPY (1984)

Murata, K., Kawamura, M., Nagami, K.

The spatial resolution of X-ray microanalysis has been investigated by Monte Carlo calculations, including knock-on secondary electron production. The results for AuMα in a l000Å thin Au film...

A MONTE CARLO SIMULATION APPROACH TO THIN FILM ELECTRON MICROPROBE ANALYSIS BASED ON THE USE OF MOTT SCATTERING CROSS-SECTIONS (1984)

Murata, K., Cvikevich, S., Kuptsis, J.

EPMA thin film analysis has been performed using a Monte Carlo simulation which is based on the Mott cross sections for elastic scattering. The cross sections for various elements are derived from...

THEORETICAL STUDY OF THE SPATIAL RESOLUTION OF X-RAY MICROANALYSIS IN ANALYTICAL ELECTRON MICROSCOPY (1984)

Murata, K., Kawamura, M., Nagami, K.

The spatial resolution of X-ray microanalysis has been investigated by Monte Carlo calculations, including knock-on secondary electron production. The results for AuMα in a l000Å thin Au film...

Wave Resistance Calculation by Modified Rankine Source Method, (1983)

Mori,K., Murata,K.

Through the calculations presented in this paper, the authors concluded: (1) The modified Rankine source method, where the hull surface condition is approximated by the double hull condition, yields...

Recombinant viruses expressing a human malaria antigen can elicit potentially protective immune CD8+ responses in mice

Miyahira, Y., García-Sastre, A., Rodriguez, D., Rodriguez, J. R., Murata, K., Tsuji, M., ...

Extensive studies on protective immunity to rodent malaria provided the basis for the current experiments in which mice were immunized with recombinant (re) influenza and vaccinia viruses expressing...

A mouse homolog of the Escherichia coli recA and Saccharomyces cerevisiae RAD51 genes.

Morita, T, Yoshimura, Y, Yamamoto, A, Murata, K, Mori, M, Yamamoto, H, ...

Analysis of mitotic and meiotic recombination in mammalian cells has been hampered by the complexity of the reactions involved as well as lack of mutants. Furthermore, none of the genes involved in...

Evolution of the mouse t haplotype: recent and worldwide introgression to Mus musculus.

Morita, T, Kubota, H, Murata, K, Nozaki, M, Delarbre, C, Willison, K, ...

Mouse t haplotypes are variants of chromosome 17, consisting of four inversions. Despite the homozygous lethality and pleiotropic effect on embryonic development, sperm production, and recombination,...

Purification and characterization of microbial gellan lyase.

Hashimoto, W, Inose, T, Nakajima, H, Sato, N, Kimura, S, Murata, K

Gellan lyase was purified from the culture fluid of soil samples incubated in a medium containing gellan as a sole carbon source. The enzyme was a monomer with a molecular mass of 140 kDa and was...

Miconazole and amphotericin B alter polymorphonuclear leukocyte functions and membrane fluidity in similar fashions.

Yasui, K, Masuda, M, Matsuoka, T, Yamazaki, M, Komiyama, A, Akabane, T, ...

The influence of miconazole on polymorphonuclear leukocytes (PMN) was investigated and compared with that of amphotericin B (AmB). Human PMN were preincubated in vitro with miconazole or AmB at...

Astromicin-induced membrane damage in Serratia marcescens.

Umeda, A, Murata, K, Amako, K

The morphological changes in Serratia marcescens induced by astromicin were determined by a new technique of electron microscopy, a rapid freezing and substitution fixation technique, and a...

Topology and subcellular localization of FtsH protein in Escherichia coli.

Tomoyasu, T, Yamanaka, K, Murata, K, Suzaki, T, Bouloc, P, Kato, A, ...

FtsH protein in Escherichia coli is an essential protein of 70.7 kDa (644 amino acid residues) with a putative ATP-binding sequence. Western blots (immunoblots) of proteins from fractionated cell...

A microbial carbon-phosphorus bond cleavage enzyme requires two protein components for activity.

Murata, K, Higaki, N, Kimura, A

Enterobacter aerogenes IFO 12010 contains a carbon-phosphorus (C-P) bond cleavage enzyme catalyzing the liberation of inorganic phosphate from various alkyl- and phenylphosphonic acids. The enzyme in...

Purification and some properties of glutathione S-transferase from Escherichia coli B.

Iizuka, M, Inoue, Y, Murata, K, Kimura, A

Glutathione S-transferase was purified approximately 2,300-fold from cell extracts of Escherichia coli B with a 7.5% activity yield. The molecular weight of the enzyme was 45,000, and the enzyme...

Cystathionine accumulation in Saccharomyces cerevisiae.

Ono, B, Suruga, T, Yamamoto, M, Yamamoto, S, Murata, K, Kimura, A, ...

A cysteine-dependent strain of Saccharomyces cerevisiae and its prototrophic revertants accumulated cystathionine in cells. The cystathionine accumulation was caused by a single mutation having a...

Purine-mediated growth inhibition caused by a pyrE mutation in Escherichia coli K-12.

Shimosaka, M, Fukuda, Y, Murata, K, Kimura, A

A purine-sensitive phenotype results from a previously described mutation in the structural gene (pyrE) for orotate phosphoribosyltransferase (OPT) in Escherichia coli K-12. OPT from both the mutant...

Arrangement of peptidoglycan in the cell wall of Staphylococcus spp.

Amako, K, Umeda, A, Murata, K

The arrangement of peptidoglycan in the cell wall of Staphylococcus was observed with the newly developed freeze-fracture technique, using n-octanol instead of water as the freezing medium. The...

Transformation of intact yeast cells treated with alkali cations.

Ito, H, Fukuda, Y, Murata, K, Kimura, A

Intact yeast cells treated with alkali cations took up plasmid DNA. Li+, Cs+, Rb+, K+, and Na+ were effective in inducing competence. Conditions for the transformation of Saccharomyces cerevisiae...

Transformation of Saccharomyces cerevisiae with linear DNA killer plasmids from Kluyveromyces lactis.

Gunge, N, Murata, K, Sakaguchi, K

Protoplasts of Saccharomyces cerevisiae were mixed with linear DNA plasmids, pGKl1 and pGKl2, isolated from a Kluyveromyces lactis killer strain and treated with polyethylene glycol. Out of 2,000...

Application of hybrid plasmids carrying glycolysis genes to ATP production by Escherichia coli.

Shimosaka, M, Fukuda, Y, Murata, K, Kimura, A

The closely linked structural genes of phosphofructokinase (pfkA) and triosephosphate isomerase (tpi) of Escherichia coli were separately cloned onto plasmid pBR322. By gene dosage effects,...

Threonine degradation by Serratia marcescens.

Komatsubara, S, Murata, K, Kisumi, M, Chibata, I

The wild strain of Serratia marcescens rapidly degraded threonine and formed aminoacetone in a medium containing glucose and urea. Extracts of this strain showed high threonine dehydrogenase and...

Phenotype character of the methylglyoxal resistance gene in Saccharomyces cerevisiae: expression in Escherichia coli and application to breeding wild-type yeast strains.

Murata, K, Fukuda, Y, Shimosaka, M, Watanabe, K, Saikusa, T, Kimura, A

The gene responsible for the methylglyoxal resistance of Saccharomyces cerevisiae was cloned, and its phenotypic characteristics were investigated. S. cerevisiae cells with the gene could accumulate...

Cloning of a gene responsible for the biosynthesis of glutathione in Escherichia coli B.

Murata, K, Kimura, A

A gene (gshI) responsible for gamma-glutamylcysteine synthetase (GSH-I) activity was cloned to construct an Escherichia coli B strain having high glutathione synthesizing activity. For this purpose,...

Threonine production by regulatory mutants of Serratia marcescens.

Komatsubara, S, Kisumi, M, Murata, K, Chibata, I

beta-Hydroxynorvaline (alpha-amino-beta-hydroxyvaleric acid)-resistant mutants of Serratia marcescens deficient in both threonine dehydrogenase and threonine deaminase were isolated and...

Differential localization of myosin and myosin phosphatase subunits in smooth muscle cells and migrating fibroblasts.

Murata, K, Hirano, K, Villa-Moruzzi, E, Hartshorne, D J, Brautigan, D L

Myosin II light chains (MLC20) are phosphorylated by a Ca2+/calmodulin-activated kinase and dephosphorylated by a phosphatase that has been purified as a trimer containing the delta isoform of type 1...

Increased capacity for glutathione synthesis enhances resistance to radiation in Escherichia coli: a possible model for mammalian cell protection.

Moore, W R, Anderson, M E, Meister, A, Murata, K, Kimura, A

A strain of Escherichia coli, enriched in its content of gamma-glutamylcysteine synthetase and glutathione synthetase activities by recombinant DNA techniques, is more resistant to the lethal effects...

The three-dimensional map of microsomal glutathione transferase 1 at 6 Å resolution

Schmidt-Krey, I., Mitsuoka, K., Hirai, T., Murata, K., Cheng, Y., Fujiyoshi, Y., ...

Microsomal glutathione transferase 1 (MGST1) is representative of a superfamily of membrane proteins where different members display distinct or overlapping physiological functions, including...

The nucleotide sequence of the gene for gamma-glutamylcysteine synthetase of Escherichia coli.

Watanabe, K, Yamano, Y, Murata, K, Kimura, A

The nucleotide sequence of the gsh I gene for gamma-glutamylcysteine synthetase(GSH I) of Escherichia coli B has been determined. The gsh I structural gene contains 1557 bases in length and predicted...

Hexagonal surface layer of Campylobacter fetus isolated from humans.

Fujimoto, S, Umeda, A, Takade, A, Murata, K, Amako, K

Electron microscopic studies of the surface structure of Campylobacter fetus by the freeze-etching method showed two different types of S layer. One was in a hexagonal array, and the other was in a...

Markers of hepatitis C and B virus infections among blood donors in Ho Chi Minh City and Hanoi, Vietnam.

Song, P, Duc, D D, Hien, B, Nakata, S, Chosa, T, Watanabe, J, ...

Blood donors in two cities in Vietnam were tested for markers of hepatitis C virus (HCV) and hepatitis B virus infections. Antibody to HCV was detected by passive hemagglutination with antigens of...

Clostridium perfringens and other anaerobes isolated from bile.

Sakaguchi, Y, Murata, K, Kimura, M

Clostridium perfringens was isolated from bile in 13 cases of 150 patients examined. The serotypes of C perfringens strains isolated from bile and faeces were investigated using antisera to Hobbs'...

A study on the mechanism of the proton transport in bacteriorhodopsin: the importance of the water molecule.

Murata, K, Fujii, Y, Enomoto, N, Hata, M, Hoshino, T, Tsuda, M

The mechanism of proton transport around the Schiff base in bacteriorhodopsin was investigated by ab initio molecular orbital (MO) calculations. Computations were performed for the case where there...

Cloning of the glucokinase gene in Escherichia coli B.

Fukuda, Y, Yamaguchi, S, Shimosaka, M, Murata, K, Kimura, A

A gene for glucokinase (Glk) in Escherichia coli B was cloned onto vector plasmid pBR322, and the hybrid plasmid obtained was designated pGK100. The gene for Glk was located in the central MluI...

Recombinant viruses expressing a human malaria antigen can elicit potentially protective immune CD8+ responses in mice

Miyahira, Y., García-Sastre, A., Rodriguez, D., Rodriguez, J. R., Murata, K., Tsuji, M., ...

Extensive studies on protective immunity to rodent malaria provided the basis for the current experiments in which mice were immunized with recombinant (re) influenza and vaccinia viruses expressing...

A mouse homolog of the Escherichia coli recA and Saccharomyces cerevisiae RAD51 genes.

Morita, T, Yoshimura, Y, Yamamoto, A, Murata, K, Mori, M, Yamamoto, H, ...

Analysis of mitotic and meiotic recombination in mammalian cells has been hampered by the complexity of the reactions involved as well as lack of mutants. Furthermore, none of the genes involved in...

Evolution of the mouse t haplotype: recent and worldwide introgression to Mus musculus.

Morita, T, Kubota, H, Murata, K, Nozaki, M, Delarbre, C, Willison, K, ...

Mouse t haplotypes are variants of chromosome 17, consisting of four inversions. Despite the homozygous lethality and pleiotropic effect on embryonic development, sperm production, and recombination,...

Purification and characterization of microbial gellan lyase.

Hashimoto, W, Inose, T, Nakajima, H, Sato, N, Kimura, S, Murata, K

Gellan lyase was purified from the culture fluid of soil samples incubated in a medium containing gellan as a sole carbon source. The enzyme was a monomer with a molecular mass of 140 kDa and was...

Miconazole and amphotericin B alter polymorphonuclear leukocyte functions and membrane fluidity in similar fashions.

Yasui, K, Masuda, M, Matsuoka, T, Yamazaki, M, Komiyama, A, Akabane, T, ...

The influence of miconazole on polymorphonuclear leukocytes (PMN) was investigated and compared with that of amphotericin B (AmB). Human PMN were preincubated in vitro with miconazole or AmB at...

Astromicin-induced membrane damage in Serratia marcescens.

Umeda, A, Murata, K, Amako, K

The morphological changes in Serratia marcescens induced by astromicin were determined by a new technique of electron microscopy, a rapid freezing and substitution fixation technique, and a...

Topology and subcellular localization of FtsH protein in Escherichia coli.

Tomoyasu, T, Yamanaka, K, Murata, K, Suzaki, T, Bouloc, P, Kato, A, ...

FtsH protein in Escherichia coli is an essential protein of 70.7 kDa (644 amino acid residues) with a putative ATP-binding sequence. Western blots (immunoblots) of proteins from fractionated cell...

A microbial carbon-phosphorus bond cleavage enzyme requires two protein components for activity.

Murata, K, Higaki, N, Kimura, A

Enterobacter aerogenes IFO 12010 contains a carbon-phosphorus (C-P) bond cleavage enzyme catalyzing the liberation of inorganic phosphate from various alkyl- and phenylphosphonic acids. The enzyme in...

Purification and some properties of glutathione S-transferase from Escherichia coli B.

Iizuka, M, Inoue, Y, Murata, K, Kimura, A

Glutathione S-transferase was purified approximately 2,300-fold from cell extracts of Escherichia coli B with a 7.5% activity yield. The molecular weight of the enzyme was 45,000, and the enzyme...

Cystathionine accumulation in Saccharomyces cerevisiae.

Ono, B, Suruga, T, Yamamoto, M, Yamamoto, S, Murata, K, Kimura, A, ...

A cysteine-dependent strain of Saccharomyces cerevisiae and its prototrophic revertants accumulated cystathionine in cells. The cystathionine accumulation was caused by a single mutation having a...

Purine-mediated growth inhibition caused by a pyrE mutation in Escherichia coli K-12.

Shimosaka, M, Fukuda, Y, Murata, K, Kimura, A

A purine-sensitive phenotype results from a previously described mutation in the structural gene (pyrE) for orotate phosphoribosyltransferase (OPT) in Escherichia coli K-12. OPT from both the mutant...

Arrangement of peptidoglycan in the cell wall of Staphylococcus spp.

Amako, K, Umeda, A, Murata, K

The arrangement of peptidoglycan in the cell wall of Staphylococcus was observed with the newly developed freeze-fracture technique, using n-octanol instead of water as the freezing medium. The...

Transformation of intact yeast cells treated with alkali cations.

Ito, H, Fukuda, Y, Murata, K, Kimura, A

Intact yeast cells treated with alkali cations took up plasmid DNA. Li+, Cs+, Rb+, K+, and Na+ were effective in inducing competence. Conditions for the transformation of Saccharomyces cerevisiae...

Cloning of the glucokinase gene in Escherichia coli B.

Fukuda, Y, Yamaguchi, S, Shimosaka, M, Murata, K, Kimura, A

A gene for glucokinase (Glk) in Escherichia coli B was cloned onto vector plasmid pBR322, and the hybrid plasmid obtained was designated pGK100. The gene for Glk was located in the central MluI...

Transformation of Saccharomyces cerevisiae with linear DNA killer plasmids from Kluyveromyces lactis.

Gunge, N, Murata, K, Sakaguchi, K

Protoplasts of Saccharomyces cerevisiae were mixed with linear DNA plasmids, pGKl1 and pGKl2, isolated from a Kluyveromyces lactis killer strain and treated with polyethylene glycol. Out of 2,000...

Application of hybrid plasmids carrying glycolysis genes to ATP production by Escherichia coli.

Shimosaka, M, Fukuda, Y, Murata, K, Kimura, A

The closely linked structural genes of phosphofructokinase (pfkA) and triosephosphate isomerase (tpi) of Escherichia coli were separately cloned onto plasmid pBR322. By gene dosage effects,...

Threonine degradation by Serratia marcescens.

Komatsubara, S, Murata, K, Kisumi, M, Chibata, I

The wild strain of Serratia marcescens rapidly degraded threonine and formed aminoacetone in a medium containing glucose and urea. Extracts of this strain showed high threonine dehydrogenase and...

Phenotype character of the methylglyoxal resistance gene in Saccharomyces cerevisiae: expression in Escherichia coli and application to breeding wild-type yeast strains.

Murata, K, Fukuda, Y, Shimosaka, M, Watanabe, K, Saikusa, T, Kimura, A

The gene responsible for the methylglyoxal resistance of Saccharomyces cerevisiae was cloned, and its phenotypic characteristics were investigated. S. cerevisiae cells with the gene could accumulate...

Cloning of a gene responsible for the biosynthesis of glutathione in Escherichia coli B.

Murata, K, Kimura, A

A gene (gshI) responsible for gamma-glutamylcysteine synthetase (GSH-I) activity was cloned to construct an Escherichia coli B strain having high glutathione synthesizing activity. For this purpose,...

Threonine production by regulatory mutants of Serratia marcescens.

Komatsubara, S, Kisumi, M, Murata, K, Chibata, I

beta-Hydroxynorvaline (alpha-amino-beta-hydroxyvaleric acid)-resistant mutants of Serratia marcescens deficient in both threonine dehydrogenase and threonine deaminase were isolated and...

Differential localization of myosin and myosin phosphatase subunits in smooth muscle cells and migrating fibroblasts.

Murata, K, Hirano, K, Villa-Moruzzi, E, Hartshorne, D J, Brautigan, D L

Myosin II light chains (MLC20) are phosphorylated by a Ca2+/calmodulin-activated kinase and dephosphorylated by a phosphatase that has been purified as a trimer containing the delta isoform of type 1...

Increased capacity for glutathione synthesis enhances resistance to radiation in Escherichia coli: a possible model for mammalian cell protection.

Moore, W R, Anderson, M E, Meister, A, Murata, K, Kimura, A

A strain of Escherichia coli, enriched in its content of gamma-glutamylcysteine synthetase and glutathione synthetase activities by recombinant DNA techniques, is more resistant to the lethal effects...

The three-dimensional map of microsomal glutathione transferase 1 at 6 Å resolution

Schmidt-Krey, I., Mitsuoka, K., Hirai, T., Murata, K., Cheng, Y., Fujiyoshi, Y., ...

Microsomal glutathione transferase 1 (MGST1) is representative of a superfamily of membrane proteins where different members display distinct or overlapping physiological functions, including...

The nucleotide sequence of the gene for gamma-glutamylcysteine synthetase of Escherichia coli.

Watanabe, K, Yamano, Y, Murata, K, Kimura, A

The nucleotide sequence of the gsh I gene for gamma-glutamylcysteine synthetase(GSH I) of Escherichia coli B has been determined. The gsh I structural gene contains 1557 bases in length and predicted...

Hexagonal surface layer of Campylobacter fetus isolated from humans.

Fujimoto, S, Umeda, A, Takade, A, Murata, K, Amako, K

Electron microscopic studies of the surface structure of Campylobacter fetus by the freeze-etching method showed two different types of S layer. One was in a hexagonal array, and the other was in a...

Markers of hepatitis C and B virus infections among blood donors in Ho Chi Minh City and Hanoi, Vietnam.

Song, P, Duc, D D, Hien, B, Nakata, S, Chosa, T, Watanabe, J, ...

Blood donors in two cities in Vietnam were tested for markers of hepatitis C virus (HCV) and hepatitis B virus infections. Antibody to HCV was detected by passive hemagglutination with antigens of...

Clostridium perfringens and other anaerobes isolated from bile.

Sakaguchi, Y, Murata, K, Kimura, M

Clostridium perfringens was isolated from bile in 13 cases of 150 patients examined. The serotypes of C perfringens strains isolated from bile and faeces were investigated using antisera to Hobbs'...

A study on the mechanism of the proton transport in bacteriorhodopsin: the importance of the water molecule.

Murata, K, Fujii, Y, Enomoto, N, Hata, M, Hoshino, T, Tsuda, M

The mechanism of proton transport around the Schiff base in bacteriorhodopsin was investigated by ab initio molecular orbital (MO) calculations. Computations were performed for the case where there...

Cellular distribution of a natural killer cell tumour recognition-related surface antigen in purified human lymphocytes.

Alkhatib, G, Murata, K, Roder, J C

Natural killer (NK) cells are large granular lymphocytes capable of human leucocyte antigen (HLA) unrestricted killing of tumour cells. A putative NK cell tumour-recognition molecule (NK-TR) was...

A “natural experiment” in cardiovascular epidemiology in the early 21st century

Sekikawa, A, Horiuchi, B Y, Edmundowicz, D, Ueshima, H, Curb, J D, Sutton-Tyrrell, K, ...

Despite similar traditional risk factors, morbidity and mortality rates from coronary heart disease in western and non-western cohorts remain substantially different. Careful study of such cohorts...

An increase in polymorphonuclear leucocyte chemotaxis accompanied by a change in the membrane fluidity with age during childhood.

Yasui, K, Masuda, M, Tsuno, T, Matsuoka, T, Komiyama, A, Akabane, T, ...

Leucocyte membrane fluidity affects cell deformability as well as the accessibility of receptors and the degree of their exposure on the membrane. These effects modulate the subsequent cellular...

Determination of the distribution of conduction velocities in workers exposed to lead, zinc, and copper.

Araki, S, Yokoyama, K, Murata, K, Aono, H

By measuring the distribution of conduction velocities (DCV) in sensory fibres of the median nerve, the effects of asymptomatic increased lead, zinc, and copper absorption on the conduction...

Mobilisation of heavy metals into the urine by CaEDTA: relation to erythrocyte and plasma concentrations and exposure indicators.

Araki, S, Aono, H, Murata, K

To investigate the effects of calcium disodium ethylenediamine tetra-acetate (CaEDTA) on the urinary excretion, erythrocyte, and plasma concentrations and exposure indicators of seven heavy metals,...

Determination of the distribution of nerve conduction velocities in chain saw operators.

Araki, S, Yokoyama, K, Aono, H, Murata, K

By measuring the distribution of conduction velocities (DCV) in sensory fibres of the median nerve, the effects of local vibration on all faster and slower large myelinated nerve fibres were examined...

Distribution of urinary hippuric acid concentrations by ALDH2 genotype.

Kawamoto, T, Murata, K, Koga, M, Hattori, Y, Kodama, Y

OBJECTIVES--To clarify the relation between the genetic polymorphism of ALDH2 (low Km aldehyde dehydrogenase) and toluene metabolism. METHODS--The study subjects were 253 toluene workers (192 men and...

Expression of group-II phospholipase A2 in malignant and non-malignant human gastric mucosa.

Murata, K., Egami, H., Kiyohara, H., Oshima, S., Kurizaki, T., Ogawa, M.

The expression of Group-II phospholipase A2 (M-PLA2) was analysed immunohistochemically in malignant, non-malignant (including atrophic, hyperplastic, pseudopyloric metaplastic and intestinal...

Increased expression of S100A6 at the invading fronts of the primary lesion and liver metastasis in patients witholorectal adenocarcinoma

Komatsu, K, Kobune-Fujiwara, Y, Andoh, A, Ishiguro, S, Hunai, H, Suzuki, N, ...

Two members of the S100 gene family, S100A6 and S100A4 have been suggested to be associated with cancer invasion and metastasis. To study their involvement in the malignancy of human colorectal...