Genotypic and Phenotypic Characterization of Antimicrobial-Resistant Escherichia coli from Farm-Raised Diarrheic Sika Deer in Northeastern China
文献类型： 外文期刊
作者： Li, Rui 1 ; He, Liang 2 ; Hao, Lili 3 ; Wang, Qi 4 ; Zhou, Yu 1 ; Jiang, Hongchen 5 ;
作者机构： 1.Zhejiang Acad Agr Sci, Inst Qual & Stand Agroprod, Agr Minist,Key Lab Pesticide Residue Detect, State Key Lab Breeding Base Zhejiang Sustainable, Hangzhou, Zhejiang, Peoples R China
2.Natl Shanghai Ctr New Drug Safety Evaluat & Res, Shanghai Inst Pharmaceut Ind, Shanghai, Peoples R China
3.Southwest Univ Nationalities, Coll Life Sci & Technol, Chengdu, Sichuan, Peoples R China
4.Univ Guelph, Guelph, ON N1G 2W1, Canada
5.China Univ Geosci, State Key Lab Geobiol & Environm Geol, Wuhan 430074, Hubei, Peoples R China
期刊名称：PLOS ONE （ 影响因子：3.24； 五年影响因子：3.788 ）
ISSN： 1932-6203
年卷期： 2013 年 8 卷 9 期
页码：
收录情况： SCI
摘要： In China, overuse and/or abuse of antimicrobials are common in stockbreeding, which possess high risks of antimicrobial-resistant contaminations. The serogroups, major virulence genes, and antimicrobial resistant patterns of the antimicrobial-resistant Escherichia coli (E. coli) were investigated in the feces of diarrheic farm-raised sika deer from 50 farms in three Northeastern provinces of China. A total of 220 E. coli isolates were obtained and characterized. Twenty-eight O serogroups were identified from the obtained E. coli isolates with O2, O26, O128, O142 and O154 being dominant. Nearly all the isolates were resistant to at least four of the tested antimicrobials. More than 90% of the E. coli isolates carried at least one of the tested virulence genes. About 85% of the E. coli isolates carried one or more antimicrobial-resistant genes responsible for resistant phenotypes of sulfonamides, streptomycin/spectionomycin or tetracycline. The antimicrobial resistant level and pathogenic group occurrences of the obtained E. coli isolates were higher than that of livestock and wild animals reported in some developed countries. Thus, the fecal-carrying antimicrobial-resistant E. coli from the farm-raised sika deer is potentially a significant contamination source for freshwater systems and food chain, and may pose great health risks for human and animals in Northeastern China.
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