New genomic typing method MLST

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Transcription:

New genomic typing method MLST Bon KIMURA fingerprinting PFGE DNA multilocus sequence typingmlst alleles PFGE MLST 1990 PCR 1 PCR DNA PFGE 1 PFGE RAPDrandomly amplified polymorphic DNA 3 AFLPAmplified fragment length polymorphism 4 Ribotyping 5 multilocus sequence typingmlst 6 0108-8477 4-5 - 7 Laboratory of Food Microbiology, Department of Food Science and Technology, Faculty of Marine Science, Tokyo University of Marine Science and Technology (4-5-7 Konan, Minato-ku, Tokyo)

PFGE PFGE 7 PFGE DNA 10 6 1 PFGE 16S rdna 1000 2000 PFGE 1996 PulseNet CDC 8 PFGE CDC PFGE RAPD 3 AFLP 4 Ribotyping 5 RAPD Ribotyping 9 PFGE RAPD AFLP PFGE RAPD AFLP PFGE PulseNet 1990 PCR DNA 16S rdna DNA 1 16S rdna 1500 16S rdna 16S rdna 1500

1 1990 DNA 2000 DNA 1 1 1500 DNA 10 6 bp 2006 10 6 1 1990 1500 DNA PFGE DNA 10 2002 DNA 2 10 21 DNA CD 10 DNA DNA 5 6 multi locus sequencing typing MLST 6 7 400 PFGE 1990 ATGGT 16S rdnagyrb 1 2 1000 DNA global epidemiology

alleles PFGE A B C alleles A B A B 1 A C 10 A, B C MLST A,B,C 4. MLST PFGE Applied-Maths BioNumerics TM 1117 MLST 2005 2015 MLST

MLST DNA 1 15 15 clonal population nonclonal population 18 1990 16S rdna 15 18 20 clonal poplulation 18 nonclonal population 18 clonal population 1 nonclonoal population 1 A A nonclonal popultion 1 MLST 1 2 alleles nonclonal population multilocus sequence typing? Nonclonal population allele

MLST housekeeping 2 housekeeping 16S rdna 21 DNA gyrb 22 23 housekeeping 24 housekeeping housekeeping gyr housekeeping

MLST 6, 25 housekeeping housekeeping Photobacterium damselae Pasteurella piscicida 16S rdna 26 27 housekeeping housekeeping MLST housekeeping 6, 25 MLST housekeeping housekeeping 28 29 PFGE MLST

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C., et al.: Multilocus sequence typing: a portable approach to the identification of clones within populations of pathogenic microorganisms. Proc. Natl. Acad. Sci. USA : 3140-3145, 1998. 7 Wallace, R. J. et al.: DNA large restriction fragment pattern of sporadic and epidemic nosocomial strains of Mycobacterium chelonae and Mycobacterium abscessus. J. Clin. Microbiol. : 2697-2701, 1993. 8 Swaminathan, B. et al.: PulseNet: the molecular subtyping network for foodborne bacterial disease surveillance, United States. Emerg. Infect. Dis. : 382-389, 2001. 9 Clermont, O. et al.: Automated ribotyping provides rapid phylogenetic subgroup affiliation of clinical extraintestinal pathogenic Escherichia coli strains. J. Clin. Microbiol. : 4549-4553, 2001. 10Kaku, M.: Visions : How science will revolutionize the 21st century, Oxford University Press, New York, 1998 11Miller, W. G. et al.: Extended multilocus sequence typing system for Campylobacter coli, C. lari, C. upsaliensis, and C. helveticus. 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S.et al.: Sequencing of heat shock protein 70 DnaKhomologs from Deinococcus proteolyticus and Thermomicrobium roseum and their integration in a protein-based phylogeny of prokaryotes. J. Bacteriol. : 345-357, 1997. 24Palys, T.et al.: Discovery and classification of ecological diversity in the bacterial world: the role of DNA sequence data. Int. J. Syst. Bacteriol. : 1145-1156, 1997. 25Cai, S. et al.: Rational design of DNA sequence-based strategies for subtyping Listeria monocytogenes. J. Clin. Microbiol. : 3319-3325, 2002. 26Gauthier, G. et al.:small-subunit rrna sequences and whole DNA relatedness concur for the reassignment of Pasteurella piscicidasnieszko et al.janssen and Surgalla to the genus Photobacterium as Photobacterium damsela subsp. piscicida comb. nov. Int. J. Syst. Bacteriol. : 139-144, 1995. 27Pupo, G. M. et al.: Evolutionary relationships among pathogenic and nonpathogenic Escherichia coli strains inferred from multilocus enzyme electrophoresis and mdh sequence studies. Infect. Immun. : 2685-2692, 1997. 28Noller, A. C. et al.: Multilocus sequence typing reveals a lack of diversity among Escherichia coli O157 : H7 isolates that are distinct by pulsed-field gel electrophoresis. J. Clin. Microbiol. : 675-679, 2003. 29Zhang, W.et al.: Multi-virulence-locus sequence typing of Listeria monocytogenes. Appl. Environ. Microbiol. : 913-920, 2004.