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Adaptive acid tolerance response in Listeria monocytogenes: isolation of an acid-tolerant mutant which demonstrates increased virulence

Article Abstract:

The adaptive acid tolerance response of Listeria monocytogenes to low-pH environments is studied via laboratory procedures. Results indicate that induction of the acid tolerance response protects L. monocytogenes against environmental stresses, such as osmotic stress and thermal stress. The data also suggest that adaptation in L. monocytogenes requires protein synthesis to offset the effects of chloramphenicol.

Author: Hill, Colin, Gahan, Cormac G.M., O'Driscoll, Brid
Publisher: American Society for Microbiology
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 1996
Virulence (Microbiology), Listeria monocytogenes

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Bile salt hydrolase activity in probiotics

Article Abstract:

The ecological significance of bile salt hydrolase (BSH) production is explored and the impact that bile hydrolysis may have on human physiology is examined. It is shown that bile salt hydrolase (BSH) enzymes might confer a selective advantage on probiotic strains in the highly competitive environment of the human intestinal tract.

Author: Hill, Colin, Gahan, Cormac G.M., Begley, Maire
Publisher: American Society for Microbiology
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 2006
Science & research, Hydrolysis, Bile, Probiotics, Chemical properties

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Subjects list: Research
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