CTX-M-Type Extended-Spectrum β-Lactamase-Producing Klebsiella pneumoniae Isolated from Cases of Bovine Mastitis in Japan

被引：25

作者：

Saishu, Nobukazu ^{[1
,2
]}

Ozaki, Hiroichi ^{[2
,3
]}

Murase, Toshiyuki ^{[2
,3
]}

机构：

[1] Tottori Prefectural Kurayoshi Livestock Hyg Serv, Kurayoshi, Tottori 6820017, Japan

[2] Yamaguchi Univ, United Grad Sch Vet Med, Yamaguchi 7538515, Japan

[3] Tottori Univ, Lab Vet Microbiol, Fac Agr, Tottori 6808553, Japan

来源：

JOURNAL OF VETERINARY MEDICAL SCIENCE | 2014年 / 76卷 / 08期

关键词：

bovine mastitis; ESBL; Klebsiella pneumonia; FOOD-PRODUCING ANIMALS; ESCHERICHIA-COLI; RAW-MILK; PLASMIDS; FARM; ENTEROBACTERIACEAE; CATTLE;

D O I：

10.1292/jvms.13-0120

中图分类号：

S85 [动物医学（兽医学）];

学科分类号：

0906 ;

摘要：

Three Klebsiella pneumoniae isolates producing extended-spectrum beta-lactamase (ESBL) were obtained from three dairy cows with clinical mastitis in two farms in western Japan. Two of the 3 isolates from cows in different farms were able to transfer plasmids carrying the bla(CTX-M-2) gene to Escherichia coli recipient. Pulsed-field gel electrophoresis (PFGE) patterns of the 2 isolates were different from each other, although restricted-fragment patterns of the two conjugative plasmids were similar to each other. Additionally, PCR-based replicon typing revealed that both the plasmids belonged to type Inc.T. These results suggest that ESBL-encoding genes can be distributed in bacteria on dairy farms through the plasmids.

引用

页码：1153 / 1156

页数：4

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