Disinfectant and antibiotic resistance of lactic acid bacteria isolated from the food industry

Microbial Drug Resistance : MDR : Mechanisms, Epidemiology, and Disease
Maan Singh SidhuAskild Holck

Abstract

Quaternary ammonium compounds (QACs) are widely used as disinfectant in medical and food environments. There is a growing concern about the increasing incidence of disinfectant-resistant microorganisms from food. Disinfectant-resistant lactic acid bacteria (LAB) may survive disinfection and cause spoilage problems. Moreover, resistant LAB may potentially act as a reservoir for resistance genes. A total number of 320 LAB from food industry and meat were screened for resistance to the QAC benzalkonium chloride (BC). Out of 320 strains, five strains (1.5%) were considered to be resistant and 56 (17.5%) were tolerant to BC. The resistant strains were isolated from food processing equipment after disinfection. The resistant, tolerant, and some sensitive control bacteria were examined for susceptibility to 18 different antibiotics, disinfectants, and dyes using disc agar diffusion test and microdilution method. Little systematic cross-resistance between BC and any of the antimicrobial agents tested were detected except for gentamycin and chlorhexidine. A BC-tolerant strain was much easier to adapt to higher levels of BC as compared to a BC-sensitive strain. No known gram-positive QAC resistance genes (qacA/B, qacC, qacG, and qacH) we...Continue Reading

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Citations

Oct 1, 2003·Veterinary Microbiology·Laëtitia AvrainIsabelle Kempf
Jan 14, 2003·Microbial Drug Resistance : MDR : Mechanisms, Epidemiology, and Disease·Maan Singh SidhuAskild Holck
Apr 8, 2010·Microbial Drug Resistance : MDR : Mechanisms, Epidemiology, and Disease·Kristin HegstadSiamak P Yazdankhah
Aug 31, 2006·Antimicrobial Agents and Chemotherapy·Lilian PumbweHannah M Wexler
Oct 25, 2006·Antimicrobial Agents and Chemotherapy·Maria EgervärnSven Lindgren
May 5, 2006·Applied and Environmental Microbiology·N A RomanovaM W Griffiths
Feb 2, 2002·Microbial Drug Resistance : MDR : Mechanisms, Epidemiology, and Disease·M S SidhuA Holck
Jan 3, 2013·International Journal of Food Microbiology·Leyre Lavilla LermaHikmate Abriouel
Jul 15, 2015·Microbial Drug Resistance : MDR : Mechanisms, Epidemiology, and Disease·Anyun ZhangLikou Zou
Jun 17, 2003·Journal of Applied Microbiology·S LangsrudG Sundheim
Aug 1, 2006·International Journal of Food Microbiology·Beatriz Rojo-BezaresCarmen Torres
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Mar 30, 2007·The Journal of Antimicrobial Chemotherapy·Jeanette K MiflinP J Blackall
Jun 8, 2013·Journal of Applied Microbiology·X X HaoW Cao
Jun 6, 2017·Frontiers in Microbiology·Min ZhengAloysius Wong
Sep 26, 2006·Journal of Food Protection·Solveig LangsrudTrond Møretrø
Jul 13, 2021·Foodborne Pathogens and Disease·Yuqi TianZhiming Pan

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