检测猪源致病性大肠杆菌菌株。2. 断奶仔猪分离株中O抗原和K抗原与肠毒素产生之间的关系。
Detecting enteropathogenic strains of Escherichia coli of porcine origin. 2. Relationship between O and K antigens and the production of enterotoxin in strains isolated from the piglet after weaning.
作者信息
Renault L, Mathieu D, le Bourhis E
出版信息
Ann Rech Vet. 1978;9(3):427-32.
The production of enterotoxin by biological tests (Yl adrenal cells and the suckling mouse) has been examined in 96 strains of Escherichia coli, isolated from sick piglets after weaning. There is a good correlation between the presence of the capsular antigen K88 and that of the thermolabile fraction (LT) of the enterotoxin (69.2 per cent of the enteropathogenic strains studied). However, the presence of the thermostable fraction (ST) of the enterotoxin of strains which, according to their serological grouping, possess in theory the two fractions LT + ST or only the ST fraction is only confirmed in a small number of strains (16 per cent) by the biological test.
通过生物试验（Y1肾上腺细胞和乳鼠）对从断奶后患病仔猪分离出的96株大肠杆菌产生肠毒素的情况进行了检测。荚膜抗原K88的存在与肠毒素的不耐热成分（LT）的存在之间存在良好的相关性（在所研究的肠道致病菌株中占69.2%）。然而，根据血清学分组理论上具有LT + ST两种成分或仅具有ST成分的菌株，其肠毒素耐热成分（ST）的存在仅在少数菌株（16%）中通过生物试验得到证实。
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