Expansion of Shiga Toxin-Producing Escherichia coli by Use of Bovine Antibiotic Growth Promoters

被引：17
|
作者：
Kim, Jong-Chul [1 ]
Chui, Linda [1 ]
Wang, Yang [2 ]
Shen, Jianzhong [2 ]
Jeon, Byeonghwa [1 ]
机构：
[1] Univ Alberta, 3-57A South Acad Bldg, Edmonton, AB T6G 2G7, Canada
[2] China Agr Univ, Beijing Key Lab Detect Technol Anim Derived Food, Beijing 100094, Peoples R China
来源：
EMERGING INFECTIOUS DISEASES | 2016年 / 22卷 / 05期
基金：
加拿大创新基金会; 加拿大自然科学与工程研究理事会;
关键词：
FOOD ANIMALS; CATTLE; O157-H7; CHLORTETRACYCLINE; FLUORESCENCE; EXPRESSION; BACTERIA; GENES;
D O I：
10.3201/eid2205.151584
中图分类号：
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号：
100102 ;
摘要：
Antibiotics are routinely used in food-producing animals to promote growth and prevent infectious diseases. We investigated the effects of bovine antibiotic growth promoters (bAGPs) on the propagation and spread of Shiga toxin (Stx) encoding phages in Escherichia coll. Co-culture of E. coli O157:H7 and other E. coli isolated from cattle in the presence of sublethal concentrations of bAGPs significantly increased the emergence of non-O157, Stx-producing E. coli by triggering the SOS response system in E. coli O157:H7. The most substantial mediation of Stx phage transmission was induced by. oxytetracyline and chlortetracycline, which are commonly used in agriculture. bAGPs may therefore contribute to the expansion of pathogenic Stx-producing E. coli.
引用
收藏
页码：802 / 809
页数：8
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