在巴西从家禽中分离出的携带blaCTX-M-8的大肠杆菌中的IncI1/ST113和IncI1/ST114接合质粒
IncI1/ST113 and IncI1/ST114 conjugative plasmids carrying blaCTX-M-8 in Escherichia coli isolated from poultry in Brazil.
作者信息
Ferreira Joseane Cristina, Penha Filho Rafael Antonio Casarin, Andrade Leonardo Neves, Berchieri Angelo, Darini Ana Lúcia Costa
机构信息
School of Pharmaceutical Sciences of Ribeirão Preto-University of São Paulo (USP), Ribeirão Preto, SP, 14040-903, Brazil.
School of Agricultural and Veterinary Sciences-São Paulo State University (UNESP), Jaboticabal, SP, 14884-900, Brazil.
出版信息
Diagn Microbiol Infect Dis. 2014 Dec;80(4):304-6. doi: 10.1016/j.diagmicrobio.2014.09.012. Epub 2014 Sep 19.
Extended-spectrum beta-lactamase-producing Escherichia coli isolated from poultry in Brazil showed blaCTX-M-8 gene. IS10 was found upstream of blaCTX-M-8, harbored on plasmids IncI1, ST113/ST114 subtypes. Genomic relationship revealed a heterogeneous E. coli population. The gene blaCTX-M-8 is established in South America in food-producing animals, which represent risk of dissemination for other countries.
从巴西家禽中分离出的产超广谱β-内酰胺酶的大肠杆菌显示携带blaCTX-M-8基因。在blaCTX-M-8上游发现了IS10，其存在于IncI1质粒、ST113/ST114亚型上。基因组关系显示大肠杆菌群体具有异质性。blaCTX-M-8基因在南美洲的食用动物中已存在，这对其他国家构成了传播风险。
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