Isolation and Characterization of 89K Pathogenicity Island-Positive ST-7 Strains of Streptococcus suis Serotype 2 from Healthy Pigs, Northeast China

文献类型： 外文期刊

第一作者： Wang, Shujie

作者： Wang, Shujie;Li, Chunyu;Cai, Xuehui;Liu, Peng;Tan, Yafang;Zhou, Dongsheng;Jiang, Yongqiang

作者机构：

期刊名称：SCIENTIFIC WORLD JOURNAL （ 影响因子：1.219； 五年影响因子：1.3 ）

ISSN： 1537-744X

年卷期： 2012 年

页码：

收录情况： SCI

摘要： Streptococcus suis is a swine pathogen which can also cause severe infection, such as meningitis, and streptococcal-like toxic shock syndrome (STSS), in humans. In China, most of the S. suis infections in humans were reported in the southern areas with warm and humid climates, but little attention had been paid to the northern areas. Data presented here showed that the virulent serotypes 1, 2, 7, and 9 of S. suis could be steadily isolated from the healthy pigs in the pig farms in all the three provinces of Northeast China. Notably, a majority of the serotype 2 isolates belonged to the 89K pathogenicity island-positive ST-7 clone that had historically caused the human STSS outbreaks in the Sichuan and Jiangsu provinces of China, although the human STSS case caused by S. suis had never been reported in northern areas of China. Data presented here indicated that the survey of S. suis should be expanded to or reinforced in the northern areas of China.

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