{"title":"[Predominance and evolution of BLA(SHV) genes in Tunisian hospital isolates of Klebsiella pneumoniae].","authors":"T Ben-Hamouda, K Ben-Mahrez","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>Extended-spectrum beta-lactamases (ESBLs)produced by clinical strains of Klebsiella pneumoniae were investigated, using isoelectric-focusing and DNA amplification followed by sequencing. A predominance of SHV variants was found. Sequencing identified the genes for the SHV-2a and -12 enzymes, suggesting direct evolution of SHV-12 from SHV-2a.</p>","PeriodicalId":75537,"journal":{"name":"Archives de l'Institut Pasteur de Tunis","volume":"82 1-4","pages":"31-8"},"PeriodicalIF":0.0000,"publicationDate":"2005-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Archives de l'Institut Pasteur de Tunis","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Extended-spectrum beta-lactamases (ESBLs)produced by clinical strains of Klebsiella pneumoniae were investigated, using isoelectric-focusing and DNA amplification followed by sequencing. A predominance of SHV variants was found. Sequencing identified the genes for the SHV-2a and -12 enzymes, suggesting direct evolution of SHV-12 from SHV-2a.
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