The VirAB-VirSR-AnrAB Multicomponent System Is Involved in Resistance of Listeria monocytogenes EGD-e to Cephalosporins, Bacitracin, Nisin, Benzalkonium Chloride, and Ethidium Bromide
Author(s) -
Xiaobing Jiang,
Yimin Geng,
Siyu Ren,
Tao Yu,
Yi Li,
Guosheng Liu,
Hailei Wang,
Hecheng Meng,
Lei Shi
Publication year - 2019
Publication title -
applied and environmental microbiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.552
H-Index - 324
eISSN - 1070-6291
pISSN - 0099-2240
DOI - 10.1128/aem.01470-19
Subject(s) - microbiology and biotechnology , ethidium bromide , bacitracin , listeria monocytogenes , kanamycin , atp binding cassette transporter , nisin , biology , benzalkonium chloride , tetracycline , antibiotic resistance , antimicrobial , chemistry , bacteria , antibiotics , biochemistry , gene , genetics , chromatography , transporter , dna
This report describes TCS/ABC transporter modules characterized inListeria monocytogenes EGD-e. The modules consist of the VirSR TCS and the VirAB and AnrAB ABC transporters. Our results showed that this system is involved in nisin and bacitracin resistance, as well as resistance to cephalosporins, ethidium bromide (EtBr), and benzalkonium chloride (BC). In this system, VirAB is responsible only for antimicrobial sensing and signaling by VirSR, while AnrAB contributes to transportation of antimicrobials. Interestingly, VirAB itself, rather than the VirAB-VirSR-AnrAB system as a whole, contributes to kanamycin and tetracycline resistance.
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