pSTM6-275, a Conjugative IncHI2 Plasmid of Salmonella enterica That Confers Antibiotic and Heavy-Metal Resistance under Changing Physiological Conditions
Author(s) -
Helen BillmanJacobe,
Yuhong Liu,
Ruth Haites,
Tom Weaver,
Lily Robinson,
Marc S. Marenda,
Mike DyallSmith
Publication year - 2018
Publication title -
antimicrobial agents and chemotherapy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.07
H-Index - 259
eISSN - 1070-6283
pISSN - 0066-4804
DOI - 10.1128/aac.02357-17
Subject(s) - salmonella enterica , plasmid , escherichia coli , microbiology and biotechnology , biology , mobile genetic elements , antibiotic resistance , salmonella , antibiotics , antimicrobial , enterobacteriaceae , genetics , gene , bacteria
Detailed annotation of an IncHI2 plasmid, pSTM6-275, from Salmonella enterica serotype 1,4,5,12:i:- strain TW-Stm6 revealed a composite structure, including antimicrobial resistance genes on mobile genetic elements. The plasmid was thermosensitive for transfer to Escherichia coli and conferred reduced susceptibility to antibiotics, copper sulfate, and silver nitrate. Metal ion susceptibility was dependent on physiological conditions, giving an insight into the environments where this trait might confer a fitness advantage.
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