Molecular Biology of Multidrug Resistance Efflux Pumps of the Major Facilitator Superfamily from Bacterial Food Pathogens

Ranjana, K C; Shrestha, Ugina; Kumar, Sanath; Ranaweera, Indrika; Kakarla, Prathusha; Mukherjee, Mun Mun; Barr, Sharla R.; Hernández, Arelys Falcón; Willmon, T. Mark; Benham, Bailey C.; Varela, Manuel F.

doi:10.1002/9781119139188.ch13

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“…This plasmid is also associated with resistance to QAC sanitizers and other antimicrobial compounds [38,106]. The Major Facilitator Superfamily (MFS)-type efflux pump gene qacA is carried on the same plasmid alongside genes responsible for cell membrane and cell wall alterations that confer further resistance to antimicrobial compounds [109,110]. Evolutionary selection processes for S. aureus isolates carrying this plasmid, due to the inappropriate use of QAC-containing sanitizers within food-processing environments can select for the entry of resistance plasmids into food-chain [37].…”

Section: Consequences Of Bacterial Adaptive Pathwaysmentioning

confidence: 99%

Section: Bacterial Responses To Stimulimentioning

confidence: 99%

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Stress response modulation: the key to survival of pathogenic and spoilage bacteria during poultry processing

et al. 2022

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The control of bacterial contaminants on meat is a key area of interest in the food industry. Bacteria are exposed to a variety of stresses during broiler processing which challenge bacterial structures and metabolic pathways causing death or sublethal injury. To counter these stresses, bacteria possess robust response systems that can induce shifts in the transcriptome and proteome to enable survival. Effective adaptive responses, such as biofilm formation, shock protein production and metabolic flexibility, require rapid induction and implementation at a cellular and community level to facilitate bacterial survival in adverse conditions. This review aims to provide an overview of the scientific literature pertaining to the regulation of complex adaptive processes used by bacteria to survive the processing environment, with particular focus on species that impact the quality and safety of poultry products like Campylobacter spp., Salmonella enterica and Pseudomonas spp.

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