CHARACTERIZATION OF VIRULENCE GENES AND ANTIMICROBIAL RESISTANCE OF LUNG PATHOGENIC ESCHERICHIA COLI ISOLATES IN FOREST MUSK DEER (MOSCHUS BEREZOVSKII)
文献类型： 外文期刊
作者： Luo, Xi 1 ; Wang, Peng 1 ; Cheng, Jian-guo 4 ; Luo, Yan 1 ; Dai, Lei 5 ; Zhou, Xin 1 ; Zou, Li-kou 1 ; Li, Bei 1 ; Xiao, Jiu 1 ;
作者机构： 1.Sichuan Agr Univ, Microbiol Lab, Dujiangyan Campus, Dujiangyan 611830, Peoples R China
2.Guangdong Acad Agr Sci, Inst Anim Sci, Guangzhou 510640, Peoples R China
3.Sichuan Agr Univ, Coll Vet Med, Wenjiang Campus, Wenjiang 611130, Peoples R China
4.Sichuan Inst Musk Deer Breeding, Dujiangyan 611830, Peoples R China
5.Iowa State Univ, Dept Vet Microbiol & Prevent Med, Ames, IA 50011 USA
关键词： Antimicrobial resistance;forest musk deer;genotype;lung pathogenic Escherichia coli;virulence factors
期刊名称：JOURNAL OF ZOO AND WILDLIFE MEDICINE （ 影响因子：0.776； 五年影响因子：0.896 ）
ISSN：
年卷期：
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收录情况： SCI
摘要： This study investigated genotypic diversity, 26 virulence genes, and antimicrobial susceptibility of lung pathogenic Escherichia coli (LPEC) isolated from forest musk deer. Associations between virulence factors (VFs) and phylogenetic group, between antimicrobial resistance (AMR) and phylogenetic group, and between AMR and VFs were subsequently assessed. The results showed 30 LPEC isolated were grouped into seven different clusters (A, B, C, D, E, F, and G). The detection rates of crl (90%), kpsMT II (76.67%), mat (76.67%), and ompA (80%) were over 75%. The most frequent types of resistance were to amoxicillin (100%), sulfafurazole (100%), ampicillin (96.67%), and tetracycline (96.67%), with 93.33% (n = 28) of isolates resistant to more than eight types of drugs. There were significant relationships between resistance to cefalotin and the presence of iucD(a) (P < 0.001), papC (P = 0.032), and kpsMT II (P = 0.028); between resistance to chloromycetin and the presence of irp2 (P = 0.004) and vat (P = 0.047); between resistance to nalidixic acid and the presence of crl (P = 0.002) and iucD(a) (P = 0.004); and between resistance to ampicillin/sulbactam and the presence of vat (P = 0.013). These results indicated there could be some association between resistance and VFs, and there is a great need for the prudent use of antimicrobial agents in LPEC.
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