Genomic Diversity and Homologous Recombination in Vibrio parahaemolyticus as Revealed by Amplified Fragment Length Polymorphism (AFLP) and Multilocus Sequence Analysis (MLSA)

  • Thompson Fabiano L.
    Department of Genetics, Institute of Biology, Federal University of Rio de Janeiro (UFRJ)
  • Cleenwerck Ilse
    Laboratory of Microbiology and BCCM<sup>TM</sup>/LMG Bacteria Collection, Ghent University
  • Swings Jean
    Laboratory of Microbiology and BCCM<sup>TM</sup>/LMG Bacteria Collection, Ghent University
  • Matsuyama Junko
    Pathogenic Microbes Repository Unit, Research Institute for Microbial Diseases, Osaka University
  • Iida Tetsuya
    Laboratory of Genomic Research on Pathogenic Bacteria, International Research Center for Infectious Diseases, Research Institute for Microbial Diseases, Osaka University

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We examined the genomic diversity of 29 representative Vibrio parahaemolyticus strains based on amplified fragment length polymorphism (AFLP) and multilocus sequence analysis (MLSA). Several strains had indistinguishable AFLP patterns, suggesting high genomic similarity. Recombination detection methods and phylogenetic reconstructions based on the gene sequences of recombination/repair protein (recA), DNA gyrase beta subunit (gyrB), and phosphoglucomutase (pgm) revealed that recombination has occurred within the species V. parahaemolyticus. We suggest that homologous recombination is an important force in the evolution of V. parahaemolyticus.<br>

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