加利福尼亚州纽波特湾非O1/O139霍乱弧菌菌株中霍乱毒素基因（ctxA和zot）的流行情况。
Prevalence of cholera toxin genes (ctxA and zot) among non-O1/O139 Vibrio cholerae strains from Newport Bay, California.
作者信息
Jiang Sunny, Chu Weiping, Fu Wuxia
机构信息
Environmental Health, Science and Policy, University of California, Irvine, California 92697, USA.
出版信息
Appl Environ Microbiol. 2003 Dec;69(12):7541-4. doi: 10.1128/AEM.69.12.7541-7544.2003.
Abstract
The examination of 137 non-O1/O139 Vibrio cholerae isolates from Newport Bay, California, indicated the presence of diverse genotypes and a temporal succession. Unexpectedly, the cholera toxin gene (ctxA) was found in 17% of the strains, of which one-third were also positive for the zot gene. This suggests that ctxA is prevalent in the region of nonepidemicity and is likely to have an environmental origin.
摘要
对来自加利福尼亚州纽波特湾的137株非O1/O139霍乱弧菌分离株进行的检测表明，存在多种基因型且有时间上的演替。出乎意料的是，在17%的菌株中发现了霍乱毒素基因（ctxA），其中三分之一的菌株zot基因也呈阳性。这表明ctxA在非流行地区普遍存在，并且可能起源于环境。
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