Characterization of class I integrons in clinical strains of Salmonella enterica subsp enterica serovars Typhimurium and Enteritidis from Norwegian hospitals

被引：62

作者：

Lindstedt, BA ^{[1
]}

Heir, E

Nygård, I

Kapperuld, G

机构：

[1] Norwegian Inst Publ Hlth, Div Infect Dis Control, N-0403 Oslo, Norway

[2] Norwegian Sch Vet Med, Dept Pharmacol, N-0033 Oslo, Norway

来源：

JOURNAL OF MEDICAL MICROBIOLOGY | 2003年 / 52卷 / 02期

关键词：

D O I：

10.1099/jmm.0.04958-0

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

The characterization of integrons and their promoters in 156 anti biotic-resistant clinical isolates of the important zoonotic pathogens Salmonella enterica subsp. enterica serovars Typhimurium (S. Typhimurium) and Enteritidis (S. Enteritidis) from Norwegian hospitals were performed. Integrons were found in 64 of 66 S. Typhimurium isolates (97 %) and in 20 of 90 S. Enteritidis isolates (22.2 %) with the following sizes; 650, 1000, 1200, 1500, 1600, 1700, 2000 and 2100 bp. The integrons were further sequenced and the aadA1, aadA2, aadA5, aadB, pse-1, catB3, oxa1, dfrA1, dfrA12 and dfrA17 genes, as well as a fragment of the salt1 gene, were found embedded in cassettes. An internal fragment of the purG gene was additionally found as an artefact PCR amplicon.

引用

页码：141 / 149

页数：9

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