stx2vha是从中国三个地区的患者和家畜中分离出的产志贺毒素大肠杆菌O157:H7的主要基因型。
stx2vha is the dominant genotype of Shiga toxin-producing Escherichia coli O157:H7 isolated from patients and domestic animals in three regions of China.
作者信息
Zheng Han, Jing Huaiqi, Wang Hua, Xia Shengli, Hu Wangfu, Cui Shuyu, Bi Zhenqiang, Yang Jinchuan, Pang Bo, Zhao Guangfa, Zhang Jin, Li Hongwei, Xu Jianguo
机构信息
Department of Diarrhea Diseases, National Institute for Communicable Diseases Prevention and Control, China Center for Disease Prevention and Control.
出版信息
Microbiol Immunol. 2005;49(12):1019-26. doi: 10.1111/j.1348-0421.2005.tb03698.x.
Shiga toxin-producing Escherichia coli(STEC) O157: H7 strains were isolated from domestic animals and patients from Xuzhou City, Jiangsu Province, China and the bordering Anhui and Henan Provinces and were examined for the stx genotype. Of 390 strains, 277 were identified as genotype stx2vha ; 41, stx2 ; 51, stx2-stx1 ; 1, stx2-stx2vha-stx1 ; 5, stx2-stx2vha ; and 15 were un-typeable. Of the 277 stx2vha-bearing isolates, 116 were isolated from goats; 42, cattle; 38, hens, and 35 from pigs. The study shows stx2vha is the dominant genotype and goats are an important reservoir.
从中国江苏省徐州市以及与之接壤的安徽省和河南省的家畜和患者中分离出产志贺毒素大肠杆菌（STEC）O157:H7菌株，并对其stx基因型进行检测。在390株菌株中，277株被鉴定为stx2vha基因型；41株为stx2；51株为stx2-stx1；1株为stx2-stx2vha-stx1；5株为stx2-stx2vha；15株无法分型。在277株携带stx2vha的分离株中，116株从山羊中分离得到；42株从牛中分离得到；38株从母鸡中分离得到；35株从猪中分离得到。该研究表明stx2vha是主要基因型，山羊是重要的宿主。
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