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首页> 外文期刊>Schweizer Archiv fur Tierheilkunde >Characteristics of ESBL-producing Enterobacteriaceae and Methicillin-resistant Staphylococcus aureus (MRSA) isolated from Swiss and imported raw poultry meat collected at retail level
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Characteristics of ESBL-producing Enterobacteriaceae and Methicillin-resistant Staphylococcus aureus (MRSA) isolated from Swiss and imported raw poultry meat collected at retail level

机译:ESBL制造肠杆菌和甲氧西林抗葡萄球菌(MRSA)的特征从零售水平收集的瑞士和进口原料家禽肉中分离出来

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摘要

This study was conducted to investigate the occurrence and genetic characteristics of extended spectrum P-lactamase (ESBL) and methicillin-resistant Staphylococcus aureus (MRSA) in 80 samples of Swiss (n=36) and imported (n=44) raw chicken meat collected at retail level. In addition, ESBL-producers were screened for the presence of the plasmid-mediated colistin resistance gene mcr-1. Countries of import included Argentina (n=2), Austria (n=1), Brazil (n=3), Denmark (n=5), France (n=1), Germany (n=13), Hungary (n=5), Italy (n=8), and Slovenia (n=6). Forty ESBL-producing E. coli strains were isolated from 33 (41.3%) of the 80 samples, comprising seven (19.4%) of the Swiss and 26 (590/o) of the imported samples. The most common bla(ESBL). among the isolates were bla(CTX-M-14) (n=14) and bla(SHV-12) (n=16). Other genes comprised bla(TEM-52) (n=4), bla(CTX-M-2) (n=3), bla(CTX-M-8) (n=1), bla(CTX-M-14) (n=1) and a novel bla(CTX-M-14) like variant (n=1). Two ESBL-producers isolated from samples from Germany (n=1) and Italy (n=1) tested additionally positive for the plasmid-mediated colistin resistance gene mcr-1. Six (7.5%) samples, all imported from Germany, were found to contain MRSA. Three isolates belonged to the livestock-associated CC398-MRSA-V-t034, and 3 to CC9-MRSA-IV-t13177, described here for the first time in chicken meat.
机译:进行该研究以研究80个瑞士(n = 36)和进口(n = 44)生鸡肉的延长光谱p-乳酰胺酶(ESBL)和甲氧西林抗性金黄色葡萄球菌(MRSA)的发生和遗传特征。在零售层面。此外,筛选ESBL-生产者是否存在质粒介导的Colistin抗性基因MCR-1。进口国包括阿根廷(n = 2),奥地利(n = 1),巴西(n = 3),丹麦(n = 5),法国(n = 1),德国(n = 13),匈牙利(n = 5),意大利(n = 8)和斯洛文尼亚(n = 6)。产生40个ESBL的大肠杆菌菌株从80个样品中分离出33(41.3%),包含七(19.4%)的瑞士和26(590 / O)的进口样品。最常见的bla(ESBL)。分离物中是BLA(CTX-M-14)(n = 14)和BLA(SHV-12)(n = 16)。其他基因包含BLA(TEM-52)(n = 4),BLA(CTX-M-2)(n = 3),BLA(CTX-M-8)(n = 1),BLA(CTX-M-14) )(n = 1)和新的BLA(CTX-M-14),如变型(n = 1)。从德国(n = 1)和意大利(n = 1)和意大利(n = 1)分离的两个ESBL-生产商另外测试质粒介导的菌根抗性基因MCR-1。发现所有从德国进口的六次(7.5%)样本含有MRSA。三个分离株属于牲畜相关的CC398-MRSA-V-T034和3至CC9-MRSA-IV-T13177,其中在鸡肉中首次描述。

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