Mangat Chand S, Bekal Sadjia, Irwin Rebecca J, Mulvey Michael R
National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Manitoba, Canada.
Laboratoire de santé publique du Québec, Saint-Anne-de-Bellevue, Quebec, Canada.
Antimicrob Agents Chemother. 2017 May 24;61(6). doi: 10.1128/AAC.02601-16. Print 2017 Jun.
Virulence plasmids and antibiotic resistance plasmids are usually maintained separately in spp.; however, we report an instance of a hybrid plasmid (pN13-01125) in serovar Dublin. Review of the complete sequence of the 172,265-bp plasmid suggests that pN13-01125 is comprised of the previously described pSDVr and pSH696_135 plasmids and that the mechanism of hybridization likely involves IS (IS) insertion sequence elements. The plasmid has a low conjugation frequency, confers resistance to six classes of antimicrobials, and contains a complete virulence operon.
毒力质粒和抗生素抗性质粒通常在 种中分别维持;然而,我们报道了都柏林血清型中一个杂交质粒(pN13 - 01125)的实例。对这个172,265碱基对质粒的完整序列进行分析表明,pN13 - 01125由先前描述的pSDVr和pSH696_135质粒组成,并且杂交机制可能涉及IS(插入序列)元件。该质粒具有低接合频率,赋予对六类抗菌药物的抗性,并包含一个完整的 毒力操纵子。 (注:原文中部分 处信息缺失)