Distribution of enterotoxigenic Clostridium perfringens in fish and shellfish [Japan]

Bulletin of the Japanese Society of Scientific Fisheries Pub Date : 1989-01-01 DOI:10.2331/SUISAN.55.79

S. Oka, Y. Ando, K. Oishi

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引用次数: 5

Abstract

Distribution of enterotoxigenic Clostridium perfringens in freshwater fish and their diet, in marine fish, and in marine shellfish in the southern part of Hokkaido was investigated. In addition, Hobbs' serotyping of isolates from these samples was performed.Enterotoxigenic strains from the samples heated at 75°C for 20min were detected in 31.1% (19/61) of isolates from the intestinal tracts of freshwater fish, in 14.8% (8/54) of isolates from the intestinal tracts of marine fish. In addition, 6.3% (4/63) of the isolates from marine shellfish were also enterotoxigenic.Of the isolates from the intestinal tracts of freshwater fish heated at 100°C for 60min, 40.0% (2/5) were enterotoxigenic.Hobbs' serotype strains were detected in 22.1% (15/68) of isolates from the intestinal tracts of freshwater fish, in 12.5% (7/56) of isolates from the body surfaces and in 18.1% (23/127) of isolates from the intestinal tracts of marine fish, and in 9.9% (7/71) of isolates from marine shellfish.A total of 52 Hobbs' serotype strains were divided into 6 serotypes and a large number of them belonged to type 16.

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产气荚膜梭菌在鱼类和贝类中的分布[日本]

研究了北海道南部淡水鱼及其饲料、海鱼和贝类中产气荚膜梭菌的分布情况。此外，对这些样本中的分离株进行霍布斯血清分型。在75℃加热20min后，淡水鱼肠道分离株中检出产肠毒素菌株的比例为31.1%(19/61)，海鱼肠道分离株中检出产肠毒素菌株的比例为14.8%(8/54)。此外，6.3%(4/63)的海洋贝类分离物也具有肠毒素。在淡水鱼肠道中经100℃加热60min分离得到的菌株中，40.0%(2/5)为产肠毒素菌株。淡水鱼肠道分离株中检出Hobbs血清型菌株的比例为22.1%(15/68)，体表分离株中检出Hobbs血清型菌株的比例为12.5%(7/56)，海鱼肠道分离株中检出Hobbs血清型菌株的比例为18.1%(23/127)，海洋贝类分离株中检出Hobbs血清型菌株的比例为9.9%(7/71)。52株Hobbs血清型菌株被分为6个血清型，其中大部分属于16型。

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Bulletin of the Japanese Society of Scientific Fisheries

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