鉴定出一种不产生可检测到的O157抗原的大肠杆菌O157:H7粗糙菌株。
Identification of a rough strain of Escherichia coli O157:H7 that produces no detectable O157 antigen.
作者信息
Feng P, Sandlin R C, Park C H, Wilson R A, Nishibuchi M
机构信息
Division of Microbiological Studies, Food and Drug Administration, Washington, D.C. 20204, USA.
出版信息
J Clin Microbiol. 1998 Aug;36(8):2339-41. doi: 10.1128/JCM.36.8.2339-2341.1998.
Abstract
MA6, an O157:H7-like strain, did not react with most anti-O157 kits examined; however, it had the rfbE gene that is essential for O157 expression and carried O157:H7 virulence factors. Lipopolysaccharide analysis showed that MA6 is a rough strain that does not produce the O157 antigen, but genetically, it belongs in the O157:H7 clonal group.
摘要
MA6是一种类O157:H7菌株，与所检测的大多数抗O157试剂盒均无反应；然而，它具有O157表达所必需的rfbE基因，并携带O157:H7毒力因子。脂多糖分析表明，MA6是一种粗糙型菌株，不产生O157抗原，但从基因角度来看，它属于O157:H7克隆群。
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