Journal of Veterinary Medical Science
Online ISSN : 1347-7439
Print ISSN : 0916-7250
ISSN-L : 0916-7250
Selective Survival of a Thermostable Direct Hemolysin-Producing Vibrio parahaemolyticus in the Alimentary Tract of a Juvenile Estuarine Gastropod (Clithon retropictus)
Norichika H. KUMAZAWAYasuhiro KAWASAKI
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1997 年 59 巻 4 号 p. 277-279

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Juvenile estuarine gastropods (Clithon retropictus), maintained in ultraviolet ray-irradiated recirculating artificial seawater with a salinity of 20% at 28°C, preserved thermostable direct hemolysin (TDH)-producing strain D-3 of Vibrio parahaemolyticus at a level of 104-105 colony forming units per gram (cfu/g) and TDH-non-producing strains N-18 and R-13 at a level of 101-102 cfu/g in the alimentary tract for at least 21 days after ingestion. In adults, the numbers of the three strains decreased to a level of 100 cfu/g within 21 days under the same conditions. This evidence supports our recent observations that TDH-producing strains increased to a high level in the summer months in the presence of high levels of TDH-non-producing strains in the alimentary tract of juvenile C. retropictus at estuaries in Japan.

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この記事はクリエイティブ・コモンズ [表示 - 非営利 - 改変禁止 4.0 国際]ライセンスの下に提供されています。
https://creativecommons.org/licenses/by-nc-nd/4.0/deed.ja
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