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首页> 外文期刊>日本マリンエンジニアリング学会誌 >Survival Estimation of Pathogenic Vibrio cholerae after Invasion from Ballast Water Discharged into Tokyo Bay
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Survival Estimation of Pathogenic Vibrio cholerae after Invasion from Ballast Water Discharged into Tokyo Bay

机译：压载水排入东京湾后致病性霍乱弧菌的存活率估算

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摘要

The authors used the isolate, Vibrio sp., as a model strain to estimate the survivability of pathogenic V cholerae after invasion from ballast water discharged into Tokyo Bay. The seawater samples taken from Tokyo Bay were also examined for V cholerae contamination. All samples tested negative for V. cholerae. As for the survivability of Vibrio sp., the initial number of the cells, in the order of 10~3 to 10~4 colony-forming units (CFU) ml~(-1), was drastically reduced in vitro within 2 weeks of incubation under competition with 10~(3.5) to 10~(6.1) CFU ml~(-1) of the indigenous population. On the other hand, Vibrio sp. cells could grow in the seawater previously autoclaved. The indigenous population was not affected at all even in the presence of Vibrio sp. cells. These results indicate that V. cholerae cells have less potential to survive after invasion. The utilization of H_20_2, with a final concentration of 0.3% in seawater, was shown to be effective for the pasteurization of seawater taken from busy ports in the vicinity of southeastern Japan.
机译：作者使用分离株弧菌（Vibrio sp。）作为模型菌株，估算了从排入东京湾的压载水入侵后致病性霍乱的生存能力。还检查了从东京湾采集的海水样本中的霍乱弧菌污染情况。所有样品均检测为霍乱弧菌阴性。至于弧菌的生存能力，在最初的2周内，其初始细胞数量从10〜3至10〜4个菌落形成单位（CFU）ml〜（-1）的数量急剧减少。在与10〜（3.5）至10〜（6.1）CFU ml〜（-1）的原住民竞争下进行温育。另一方面，Vibrio sp。细胞可以在先前高压灭菌的海水中生长。即使存在弧菌，原住民也不受影响。细胞。这些结果表明，霍乱弧菌细胞侵袭后存活的可能性较小。结果表明，利用H_20_2的最终浓度为0.3％的海水，可以有效地对日本东南部附近繁忙港口的海水进行巴氏消毒。

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