Ciprofloxacin-Resistant Salmonella enterica Serovar Kentucky ST198 in Broiler Chicken Supply Chain and Patients, China, 2010-2016
文献类型： 外文期刊
作者： Xiong, Zhiying 1 ; Wang, Shaojun 1 ; Huang, Yumei 1 ; Gao, Yuan 1 ; Shen, Haiyan 2 ; Chen, Zhengquan 1 ; Bai, Jie 1 ; Zha 1 ;
作者机构： 1.South China Agr Univ, Coll Vet Med, Natl & Reg Joint Engn Lab Medicament Zoonoses Pre, Lingnan Guangdong Lab Modern Agr, Guangzhou 510642, Peoples R China
2.Guangdong Acad Agr Sci, Inst Anim Hlth, Guangzhou 510640, Peoples R China
关键词： Salmonella; Kentucky; mutation; ciprofloxacin resistance; pulsed-field gel electrophoresis
期刊名称：MICROORGANISMS （ 影响因子：4.128； ）
ISSN：
年卷期： 2020 年 8 卷 1 期
页码：
收录情况： SCI
摘要： Salmonella enterica serovar Kentucky (S. Kentucky) sequence type 198 has emerged as a global zoonotic pathogen. We explored Salmonella enterica serovar Kentucky ST198 samples from the broiler chicken supply chain and patients between 2010 and 2016. Here, we collected 180 S. Kentucky isolates from clinical cases and the poultry supply chain. We performed XbaI pulsed-field gel electrophoresis and multilocus sequence typing. We assessed mutations in the quinolone resistance-determining regions and screened for the presence of the Salmonella genomic island 1 (SGI1). We determined that 63 (35.0%) of the 180 isolates were S. Kentucky ST198. Chinese strains of S. Kentucky ST198 have a high transmission of ciprofloxacin resistance (38/63, 60.3%) and a high risk of multidrug resistance. The quinolone resistance of the S. Kentucky ST198 strain found in China may be due to mutations in its quinolone resistance-determining region. Our study firstly revealed that ciprofloxacin-resistant S. Kentucky ST198 strains can undergo cross-host transmission, thereby causing a serious foodborne public health problem in China.
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