A Number of <I>Vibrio cholerae</I> Non-O1 Isolated from Aquatic Environments

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  • UCHIYAMA Hidekazu
    Laboratory of Public Health, School of Allied Health Scineces, Kitasato University

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  • 環境水中の<I>Vibrio cholerae</I> non-O1の菌数について
  • 環境水中のVibrio cholerae non-O1の菌数について
  • カンキョウスイチュウ ノ Vibrio cholerae non-O1 ノ キ
  • A Number of Vibrio cholerae Non-O1 Isolated from Aquatic Environments

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Abstract

To estimated existence of Vibrio cholerae non-O1 in aquatic environments, the organisms isolated from river, estuary and sea water. V. cholerae non-O1 isolated from midstream and estuary water could be counted from 1.6 to 2400 CFU/100 ml by the membrane filtrated method (MF). V. cholerae non-O1 existed in midstream water more than in estuary water. However, the isolated organisms from estuary rate by MF (37.5%) was lower than it by alkaline peptone enrichment medium method (AP) (75.0%), as a result of halophilic bacteria grow on selected medium of MF. And the number of V. cholerae non-O1 isolated from aquatic environment did notcorrelate environmental parameters. The number of V. cholerae non-O1 isolated from river water varied, it suggested that the organism collectively adhere a floating matter. V. cholerae non-O1 was not detected in 500 ml sea water by AP and MF method. These results conclude that V. cholerae non-O1 exist in river water more than in sea.

Journal

  • Kansenshogaku Zasshi

    Kansenshogaku Zasshi 72 (7), 720-726, 1998

    The Japanese Association for Infectious Diseases

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