Salmonella enterica Serovar Typhi Strains Isolated in Korea Containing a Multidrug Resistance Class 1 Integron

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Salmonella enterica serovar typhi strains isolated in Korea containing a multidrug resistance class 1 integron.

Six strains of Salmonella enterica serovar Typhi which were resistant to ampicillin, chloramphenicol, trimethoprim-sulfamethoxazole, streptomycin, tetracycline, and gentamicin were isolated in Korea. This multidrug resistance was transferred by a conjugative plasmid of about 50 kb. The plasmid harbored a class 1 integron, which included six resistance genes, aacA4b, catB8, aadA1, dfrA1, aac(6')...

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Multidrug resistant Salmonella enterica serovar typhi.

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Results Forty representative S. Typhi strains belonged to 4 sequence types (ST1, ST2, ST890, and ST892). The predominant S. Typhi genotype (31/40) was ST2 and it had a diverse geographic distribution. We discovered two novel STs – ST890 and ST892. M-CGH showed that 69 genes in these two novel STs were divergent from S. Typhi Ty2, which belongs to ST1. In addition, 5 representative Typhi strains...

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ژورنال

عنوان ژورنال: Antimicrobial Agents and Chemotherapy

سال: 2003

ISSN: 0066-4804,1098-6596

DOI: 10.1128/aac.47.6.2006-2008.2003