期刊
FOOD MICROBIOLOGY
卷 54, 期 -, 页码 178-189出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.fm.2014.08.006
关键词
Listeria monocytogenes; Antimicrobial resistance; Antimicrobials; Biofilms; Co-selection; Disinfectants; Food chain stress; Sanitizers
资金
- Alberta Innovates Bio Solutions
- Natural Sciences and Engineering Research Council of Canada
When compared to common bacterial agents associated with foodborne disease, Listeria monocytogenes is an infrequent but pernicious pathogen linked to disproportionally high levels of morbidity and mortality in susceptible individuals. To improve clinical outcomes, invasive infections require prudent administration of antimicrobial agents. While L. monocytogenes has historically been susceptible to antimicrobials effective against Gram positive bacteria, there have been reports of antimicrobial resistance (AMR) in this organism, including in isolates originating from food-producing animals, food processing environments (FPE), and food (i.e. the food chain). Considering human listeriosis is acquired predominantly through foodborne transmission, this is concerning. In particular, food chain factors may influence L. monocytogenes AMR through i. horizontal exchange of AMR genes, ii. induction of AMR-related stress responses through sub-lethal exposure to factors controlling microbial growth in food, and iii. recurring exposure to disinfectants in the FPE. In light of the significant technical challenges of fully understanding the influence of the food chain on AMR, this review examines how environments and conditions spanning the food continuum may influence current AMR trends through genetic, physiological, and selection pressure-based perspectives. When combined with effective surveillance, such knowledge will be useful in prolonging the efficacy of the currently available repertoire of therapeutic treatment options. (C) 2014 Elsevier Ltd. All rights reserved.
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