New Characterization of Multi-Drug Resistance of Streptococcus suis and Biofilm Formation from Swine in Heilongjiang Province of China

文献类型： 外文期刊

第一作者： Dong, Chun-Liu

作者： Dong, Chun-Liu;Che, Rui-Xiang;Wu, Tong;Qu, Qian-Wei;Chen, Mo;Zheng, Si-Di;Li, Yan-Hua;Dong, Chun-Liu;Li, Yan-Hua;Che, Rui-Xiang;Cai, Xue-Hui;Wang, Gang;Wang, Gang

作者机构：

关键词： Streptococcus suis; serotype; multi-drug resistance; biofilm; drug resistance gene

期刊名称：ANTIBIOTICS-BASEL （ 影响因子：4.8； 五年影响因子：4.9 ）

ISSN： 2079-6382

年卷期： 2023 年 12 卷 1 期

页码：

收录情况： SCI

摘要： The aim of this study was to investigate the antimicrobial resistance profiles and genotypes of Streptococcus suis in Heilongjiang Province, China. A total of 29 S. suis were isolated from 332 samples collected from 6 pig farms. The results showed that serotypes 2, 4 and 9 were prevalent, and all the clinical isolates were resistant to at least two antibacterial drugs. The most resisted drugs were macrolides, and the least resisted drugs were fluoroquinolones. Resistant genes ermB and aph (3 ')-IIIa were highly distributed among the isolates, with the detection rates of 79.31% and 75.86%. The formation of biofilm could be observed in all the isolated S. suis, among which D-1, LL-1 and LL-3 strains formed stronger biofilm structure than other strains. The results indicate that S. suis in Heilongjiang Province presents a multi-drug resistance to commonly used antimicrobial drugs, which was caused by the same target gene, the dissemination of drug resistance genes, and bacterial biofilm.

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