粪便
生物
抗生素耐药性
微生物学
抗生素
基因
细菌
兽医学
水平基因转移
微生物遗传学
聚合酶链反应
遗传学
基因组
医学
作者
Marta Colomer-Lluch,Lejla Imamovic,Juan Jofre,Maite Muniesa
摘要
This study evaluates the occurrence of bacteriophages carrying antibiotic resistance genes in animal environments. bla(TEM), bla(CTX-M) (clusters 1 and 9), and mecA were quantified by quantitative PCR in 71 phage DNA samples from pigs, poultry, and cattle fecal wastes. Densities of 3 to 4 log(10) gene copies (GC) of bla(TEM), 2 to 3 log(10) GC of bla(CTX-M), and 1 to 3 log(10) GC of mecA per milliliter or gram of sample were detected, suggesting that bacteriophages can be environmental vectors for the horizontal transfer of antibiotic resistance genes.
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