Evidence of dissemination of a clc-type integrative and conjugative element to Stenotrophomonas maltophilia, mediating acquisition of sul1 and other resistance determinants.

IF 4.1 2区 医学 Q2 MICROBIOLOGY
Antimicrobial Agents and Chemotherapy Pub Date : 2025-02-13 Epub Date: 2025-01-16 DOI:10.1128/aac.01554-24
Selene Rebecca Boncompagni, Eleonora Riccobono, Maria Grazia Cusi, Vincenzo Di Pilato, Gian Maria Rossolini
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引用次数: 0

Abstract

A Stenotrophomonas maltophilia strain positive for the blaVIM-1 metallo-beta-lactamase gene and resistant to trimethoprim-sulfamethoxazole was unexpectedly isolated from a surveillance rectal swab. The characterization of the strain revealed carriage of a 91 kb integrative and conjugative element (ICE) harboring several resistance determinants [sul1, blaVIM-1, aac(6')-Ib, aac(6')-31, qacE1, cld, and merEDAPTR], closely related with a group of clc-type ICEs widespread among Pseudomonas aeruginosa and other pseudomonads. Results highlighted the possible spreading of similar elements to S. maltophilia, mediating the acquisition of relevant resistances.

嗜麦芽窄养单胞菌中clc型整合和共轭元件传播的证据,介导sul1和其他抗性决定因素的获得。
一株嗜麦芽寡养单胞菌blaVIM-1金属β -内酰胺酶基因阳性,对甲氧苄啶-磺胺甲恶唑耐药,意外地从直肠监测拭子中分离出来。菌株的特征显示携带一个91 kb的整合和共轭元件(ICE),包含几个抗性决定因子[sul1, blaVIM-1, aac(6')-Ib, aac(6')-31, qacE∆1,cold和merEDAPTR],与铜绿假单胞菌和其他假单胞菌中广泛存在的一组clc型ICE密切相关。结果表明,嗜麦芽葡萄球菌可能传播了类似的元素,介导了相关抗性的获得。
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来源期刊
CiteScore
10.00
自引率
8.20%
发文量
762
审稿时长
3 months
期刊介绍: Antimicrobial Agents and Chemotherapy (AAC) features interdisciplinary studies that build our understanding of the underlying mechanisms and therapeutic applications of antimicrobial and antiparasitic agents and chemotherapy.
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