環境由来ウエルシュ菌芽胞の発芽と,2性状(エンテロトキシン産生能およびHobbs血清型別)の関係〔英文〕

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The germination response of spores of C. perfringens from natural environments was examined, and relationship between germination type of spores and both enterotoxin production and Hobbs' serotypability of the isolates was studied.A large number of isolates from the samples heated at 75°C for 20min showed alanine-type germination (A-type germination), but almost all isolates from the samples heated at 100°C for 60min showed potassium-type germination (K-type germination).Most of enterotoxigenic strains and a large number of Hobbs' serotype strains showed K-type germination. Also, all of the enterotoxigenic Hobbs' serotype strains showed K-type germination. However, both K-type and A-type germination were detected in enterotoxigenic Hobbs' untypable strains and non-enterotoxigenic Hobbs' serotype strains.It was considered that germination type of spores of isolates was not always closely related to two characteristics of them.
日本水産學會の論文