Ecology and seasonal distribution of Vibrio parahaemolyticus in aquatic environments of a temperate region

M. A R Chowdhury, Hiroyasu Yamanaka, Shin‐ichi ‐i Miyoshi, Sumio Shinoda

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36 Citations (Scopus)

Abstract

Abstract An environmental survey was done to study the ecology and distribution of Vibrio parahaemolyticus in 5 selected stations in Okayama Prefecture, which included fresh, brackish, and marine aquatic environments. Water and plankton samples were collected monthly for quantitative and qualitative analyses during the period October, 1987 to October, 1989 for V. parahaemolyticus. The pathogen was not detected from fresh water environments. A seasonality of the organism was observed in brackish and marine environments where average salinity ranged between 0.39 and 1.28%.Plankton samples yielded higher densities of V. parahaemolyticus compared with water samples. By applying several enrichment techniques, the pathogen was detected quite frequently during the winter months in the environments with temperatures ranging between 10 and 14°C. The identification following conventional tests, by the API 20E system and by serological methods reveal that the API 20E system is satisfactory to identify V. parahaemolyticus and further confirms that the serological method could be a simpler and more rapid procedure for V. parahaemolyticus identification.

Original languageEnglish
Pages (from-to)1-9
Number of pages9
JournalFEMS Microbiology Letters
Volume74
Issue number1
DOIs
Publication statusPublished - 1990

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Keywords

  • Correlation
  • Identification
  • Seasonality
  • Vibrionaceae
  • Water and plankton samples

ASJC Scopus subject areas

  • Microbiology
  • Molecular Biology
  • Genetics

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