Hidenori Hayashi

Summary

Affiliation: RIKEN Brain Science Institute
Country: Japan

Publications

  1. ncbi Evaluation of three different forward primers by terminal restriction fragment length polymorphism analysis for determination of fecal bifidobacterium spp. in healthy subjects
    Hidenori Hayashi
    Japan Collection of Microorganisms, RIKEN, Saitama, Japan
    Microbiol Immunol 48:1-6. 2004
  2. ncbi Phylogenetic analysis of the human gut microbiota using 16S rDNA clone libraries and strictly anaerobic culture-based methods
    Hidenori Hayashi
    Japan Collection of Microorganisms, RIKEN, Wako, Saitama
    Microbiol Immunol 46:535-48. 2002
  3. ncbi Fecal microbial diversity in a strict vegetarian as determined by molecular analysis and cultivation
    Hidenori Hayashi
    Japan Collection of Microorganisms, RIKEN, Wako, Saitama 351 0198, Japan
    Microbiol Immunol 46:819-31. 2002
  4. ncbi Molecular analysis of fecal microbiota in elderly individuals using 16S rDNA library and T-RFLP
    Hidenori Hayashi
    Japan Collection of Microorganisms, RIKEN, Wako, Saitama 351 0198, Japan
    Microbiol Immunol 47:557-70. 2003
  5. ncbi Bacteroides coprophilus sp. nov., isolated from human faeces
    Hidenori Hayashi
    Microbe Division Japan Collection of Microorganisms, RIKEN BioResource Center, 2 1 Hirosawa, Wako, Saitama 351 0198, Japan
    Int J Syst Evol Microbiol 57:1323-6. 2007
  6. ncbi Characterization of the genus Bifidobacterium by automated ribotyping and 16S rRNA gene sequences
    Shinji Sakata
    Microbe Division Japan Collection of Microorganisms, RIKEN BioResource Center, Wako, Saitama 351 0198, Japan
    Microbiol Immunol 50:1-10. 2006
  7. ncbi Prevotella copri sp. nov. and Prevotella stercorea sp. nov., isolated from human faeces
    Hidenori Hayashi
    Microbe Division Japan Collection of Microorganisms, RIKEN BioResource Center, 2 1 Hirosawa, Wako, Saitama 351 0198, Japan
    Int J Syst Evol Microbiol 57:941-6. 2007
  8. ncbi Terminal restriction fragment length polymorphism analysis for human fecal microbiota and its application for analysis of complex bifidobacterial communities
    Mitsuo Sakamoto
    Japan Collection of Microorganisms, RIKEN, Wako, Saitama 351 0198, Japan
    Microbiol Immunol 47:133-42. 2003
  9. ncbi Direct cloning of genes encoding novel xylanases from the human gut
    Hidenori Hayashi
    Microbe Division Japan Collection of Microorganisms, RIKEN BioResource Center, Wako, Saitama
    Can J Microbiol 51:251-9. 2005
  10. ncbi Molecular analysis of jejunal, ileal, caecal and recto-sigmoidal human colonic microbiota using 16S rRNA gene libraries and terminal restriction fragment length polymorphism
    Hidenori Hayashi
    Microbe Division Japan Collection of Microorganisms, RIKEN BioResource Center, Saitama 351 0198, Japan
    J Med Microbiol 54:1093-101. 2005

Collaborators

Detail Information

Publications26

  1. ncbi Evaluation of three different forward primers by terminal restriction fragment length polymorphism analysis for determination of fecal bifidobacterium spp. in healthy subjects
    Hidenori Hayashi
    Japan Collection of Microorganisms, RIKEN, Saitama, Japan
    Microbiol Immunol 48:1-6. 2004
    ..This probably reflects a low prevalence of Bifidobacterium spp. in these two samples. Our study emphasizes the importance of selecting a suitable forward primer for detection of Bifidobacterium spp...
  2. ncbi Phylogenetic analysis of the human gut microbiota using 16S rDNA clone libraries and strictly anaerobic culture-based methods
    Hidenori Hayashi
    Japan Collection of Microorganisms, RIKEN, Wako, Saitama
    Microbiol Immunol 46:535-48. 2002
    ..Moreover, several previously uncharacterized and uncultured microorganisms were recognized in clone libraries and colonies. Our results also showed marked individual differences in the composition of intestinal microbiota...
  3. ncbi Fecal microbial diversity in a strict vegetarian as determined by molecular analysis and cultivation
    Hidenori Hayashi
    Japan Collection of Microorganisms, RIKEN, Wako, Saitama 351 0198, Japan
    Microbiol Immunol 46:819-31. 2002
    ..The dominant feature of this strictly vegetarian gut microbiota was the detection of many Clostridium rRNA subcluster XIVa and C. ramosum (Clostridium rRNA cluster XVIII)...
  4. ncbi Molecular analysis of fecal microbiota in elderly individuals using 16S rDNA library and T-RFLP
    Hidenori Hayashi
    Japan Collection of Microorganisms, RIKEN, Wako, Saitama 351 0198, Japan
    Microbiol Immunol 47:557-70. 2003
    ..Gammaproteobacteria" were detected at high frequency...
  5. ncbi Bacteroides coprophilus sp. nov., isolated from human faeces
    Hidenori Hayashi
    Microbe Division Japan Collection of Microorganisms, RIKEN BioResource Center, 2 1 Hirosawa, Wako, Saitama 351 0198, Japan
    Int J Syst Evol Microbiol 57:1323-6. 2007
    ..On the basis of the data presented, a novel Bacteroides species, Bacteroides coprophilus sp. nov., is proposed, with CB42(T) (=JCM 13818(T)=DSM 18228(T)) as the type strain...
  6. ncbi Characterization of the genus Bifidobacterium by automated ribotyping and 16S rRNA gene sequences
    Shinji Sakata
    Microbe Division Japan Collection of Microorganisms, RIKEN BioResource Center, Wako, Saitama 351 0198, Japan
    Microbiol Immunol 50:1-10. 2006
    ....
  7. ncbi Prevotella copri sp. nov. and Prevotella stercorea sp. nov., isolated from human faeces
    Hidenori Hayashi
    Microbe Division Japan Collection of Microorganisms, RIKEN BioResource Center, 2 1 Hirosawa, Wako, Saitama 351 0198, Japan
    Int J Syst Evol Microbiol 57:941-6. 2007
    ..The DNA G+C contents of strains CB7(T) and CB35(T) were 45.3 and 48.2 mol%, respectively. The type strains of P. copri and P. stercorea are CB7(T) (=JCM 13464(T)=DSM 18205(T)) and CB35(T) (=JCM 13469(T)=DSM 18206(T)), respectively...
  8. ncbi Terminal restriction fragment length polymorphism analysis for human fecal microbiota and its application for analysis of complex bifidobacterial communities
    Mitsuo Sakamoto
    Japan Collection of Microorganisms, RIKEN, Wako, Saitama 351 0198, Japan
    Microbiol Immunol 47:133-42. 2003
    ....
  9. ncbi Direct cloning of genes encoding novel xylanases from the human gut
    Hidenori Hayashi
    Microbe Division Japan Collection of Microorganisms, RIKEN BioResource Center, Wako, Saitama
    Can J Microbiol 51:251-9. 2005
    ..In addition, 2 ORFs (ORF1 and ORF2) were identified upstream of xyn10A. These results suggested that many unidentified xylanolytic bacteria exist in the human gut and may contribute to the breakdown of xylan which contains dietary fiber...
  10. ncbi Molecular analysis of jejunal, ileal, caecal and recto-sigmoidal human colonic microbiota using 16S rRNA gene libraries and terminal restriction fragment length polymorphism
    Hidenori Hayashi
    Microbe Division Japan Collection of Microorganisms, RIKEN BioResource Center, Saitama 351 0198, Japan
    J Med Microbiol 54:1093-101. 2005
    ..The results showed marked individual differences in the composition of microbiota in each region...
  11. ncbi Diversity of the Clostridium coccoides group in human fecal microbiota as determined by 16S rRNA gene library
    Hidenori Hayashi
    Microbe Division Japan Collection of Microorganisms, RIKEN BioResource Center, Saitama, Japan
    FEMS Microbiol Lett 257:202-7. 2006
    ..Interindividual differences in the composition of OTU belonging to the C. coccoides group were also observed in fecal microbiota...
  12. ncbi Unification of Bifidobacterium infantis and Bifidobacterium suis as Bifidobacterium longum
    Shinji Sakata
    Japan Collection of Microorganisms, RIKEN, Wako, Saitama 351 0198, Japan
    Int J Syst Evol Microbiol 52:1945-51. 2002
    ..It is concluded that B. infantis and B. suis should be unified as B. longum, the latter species being divided into three biotypes, the infantis type, the longum type and the suis type, by molecular methods...
  13. pmc Increase in terminal restriction fragments of Bacteroidetes-derived 16S rRNA genes after administration of short-chain fructooligosaccharides
    Yusuke Nakanishi
    Food and Health R and D Laboratories, Meiji Seika Kaisha, Ltd, 5 3 1 Chiyoda, Sakado shi, Saitama 350 0289, Japan
    Appl Environ Microbiol 72:6271-6. 2006
    ..Therefore, the T-RFs derived from Bacteroidetes are good markers of change of murine intestinal microbiota after scFOS administration...
  14. ncbi Characterization of skin microbiota in patients with atopic dermatitis and in normal subjects using 16S rRNA gene-based comprehensive analysis
    Itaru Dekio
    Department of Dermatology, School of Medicine, Keio University, Shinjuku ku, Tokyo 160 8582, Japan
    J Med Microbiol 56:1675-83. 2007
    ....
  15. ncbi Detection of potentially novel bacterial components of the human skin microbiota using culture-independent molecular profiling
    Itaru Dekio
    Department of Dermatology, School of Medicine, Keio University, Tokyo 160 8582, Japan
    J Med Microbiol 54:1231-8. 2005
    ..Culture-independent genetic profiling of 16S rRNA genes for detecting human cutaneous microbiota has allowed us to detect potentially novel components of the cutaneous microbiota in humans...
  16. ncbi Culture-independent analysis of fecal microbiota in cattle
    Yuhei Ozutsumi
    United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, Tokyo 183 8509, Japan
    Biosci Biotechnol Biochem 69:1793-7. 2005
    ..5%), and Proteobacteria (1.4%). The Clostridium leptum subgroup was the most phylogenetically diverse group in cattle feces. In addition, a number of previously uncharacterized and unidentified bacteria were recognized in clone libraries...
  17. ncbi Maturation of the murine cecal microbiota as revealed by terminal restriction fragment length polymorphism and 16S rRNA gene clone libraries
    Ryoko Kibe
    Department of Veterinary Biochemistry, School of Veterinary Medicine, Rakuno Gakuen University, 582 1 Bunkyodai Midorimachi, Ebetsu, Hokkaido 069 8501, Japan
    FEMS Microbiol Lett 235:139-46. 2004
    ..T-RFLP revealed development with maturation of cecal microbiota including unidentified bacteria of SPF mice...
  18. pmc The histidine kinase Hik34 is involved in thermotolerance by regulating the expression of heat shock genes in synechocystis
    Iwane Suzuki
    Division of Cellular Regulation, National Institute for Basic Biology, Myodaiji, Okazaki 444 8585, Japan
    Plant Physiol 138:1409-21. 2005
    ..These results suggest that Hik34 might negatively regulate the expression of certain heat shock genes that might be related to thermotolerance in Synechocystis...
  19. pmc alpha-Galactosidase Aga27A, an enzymatic component of the Clostridium josui cellulosome
    Sadanari Jindou
    Faculty of Bioresources, Mie University, Tsu 514 8507, Japan
    J Bacteriol 184:600-4. 2002
    ..The recombinant Aga27A alpha-galactosidase devoid of the dockerin domain preferred highly polymeric galactomannan as a substrate to small saccharides such as melibiose and raffinose...
  20. ncbi Novel phylogenetic assignment database for terminal-restriction fragment length polymorphism analysis of human colonic microbiota
    Mitsuharu Matsumoto
    Fundamental Research Laboratory, Kyodo Milk Industry Co Ltd, Hinode, Tokyo 190 0182, Japan
    J Microbiol Methods 61:305-19. 2005
    ..We conclude that PAD-HCM built in this study enables the prediction of T-RFs at the species level including difficult-to-culture bacteria, and that it is very useful for the T-RFLP analysis of human colonic microbiota...
  21. ncbi Phylogenetic analysis of cecal microbiota in chicken by the use of 16S rDNA clone libraries
    Pham Thi Ngoc Lan
    Institute of Biotechnology, National Center for Natural Science and Technology, Hanoi, Vietnam
    Microbiol Immunol 46:371-82. 2002
    ..The 16S rDNA sequences of Lactobacillus acidophilus, L. crispatus, L. salivarius, and L. reuteri were the most frequently found in the Lactobacillus group in chicken cecum...
  22. ncbi Gene structure and transcriptional regulation of dnaK and dnaJ genes from a psychrophilic bacterium, Colwellia maris
    Seiji Yamauchi
    Graduate School of Science and Engineering, Ehime University, Bunkyo cho, Matsuyama 790 8577, Japan
    Extremophiles 8:283-90. 2004
    ..In addition, the level of the induction of the dnaJ gene was much lower than that of the dnaK gene. These findings together revealed several specific features of the heat shock response at a relatively low temperature in psychrophiles...
  23. ncbi Zinc ions inhibit the protein-DNA complex formation between cyanobacterial transcription factor SmtB and its recognition DNA sequences
    Eugene Hayato Morita
    Department of Chemistry, Faculty of Science, Ehime University, 2 5 Bunkyo cho, Matsuyama, Ehime, 790 8577 Japan
    Plant Cell Physiol 43:1254-8. 2002
    ..Here, we present the first direct evidence that Zn(2+ )(>4 micro M) inhibits the SmtB-DNA complex formation in vitro, which ensures the physiological functions of SmtB as a Zn(2+) sensor and a transcription factor...
  24. pmc Systematic characterization of the ADP-ribose pyrophosphatase family in the Cyanobacterium Synechocystis sp. strain PCC 6803
    Kenji Okuda
    Graduate School of Science and Engineering, Ehime University, Bunkyo cho, Matsuyama, Japan
    J Bacteriol 187:4984-91. 2005
    ..FEBS Lett. 444:222-226, 1999), are phylogenetically diverse types that originated from an archaeal Nudix protein via molecular evolutionary mechanisms, such as domain fusion and amino acid substitution...
  25. ncbi Identification and characterization of NuhA, a novel Nudix hydrolase specific for ADP-ribose in the cyanobacterium Synechococcus sp. PCC 7002
    Kenji Okuda
    Graduate School of Science and Engineering, Ehime University, Bunkyo cho, Matsuyama 790 8577, Japan
    Biochim Biophys Acta 1699:245-52. 2004
    ..These unique features suggest that NuhA is a novel type of ADP-ribose pyrophosphatase...
  26. ncbi Polyamine distribution profiles of new members of the phylum Bacteroidetes
    Koei Hamana
    School of Health Sciences, Faculty of Medicine, Gunma University, Gunma, Japan
    J Gen Appl Microbiol 54:229-36. 2008