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| Salmonella Enterica Survival to Biocides and Antibiotics: An Overview of Resistance Mechanisms and Gene Expression (pp. 111-134) |
$100.00 |
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Authors: (Diana Rodrigues, Joana Azeredo, Institute for Biotechnology and Bioengineering, Centre of Biological Engineering, University of Minho, Braga, Portugal)
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Abstract:
Nowadays, Salmonella spp. is still considered one of the major foodborne pathogens, being responsible for thousands of deaths worldwide and widespread economic losses every year. Salmonella enterica strains have proven to be highly adaptable and able to survive in the external environment, and their ability to respond effectively to environmental changes is important in their survival in the food chain. Moreover, like many other microorganisms, S. enterica is able to adhere and form biofilms on several different surfaces, which increases its inherent resistance and, thus, significantly affects plant sanitation and product safety. Bacterial resistance to antimicrobial agents in general, as well as the underlying mechanisms, have been widely studied by several authors. Additionally, a number of scientists have recently expressed concern that the common and indiscriminate use of biocides may be a contributing factor to the development and selection of antibiotic-resistant strains, giving rise to a phenomenon known as ―cross-resistance‖. In this context, the present chapter intends to review the scientific results concerning the mechanisms by which S. enterica planktonic and biofilm cells may become resistant to biocides action, as well as the relation between biocide and antibiotic resistance by this foodborne pathogen. Moreover, genomic aspects involved in such adaptive and resistant behaviours will also be considered. |
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