Acid and Base Stress and Transcriptomic Responses in Bacillus subtilis

Acid and base environmental stress responses were investigated in Bacillus subtilis. B. subtilis AG174 cultures in buffered potassium-modified Luria broth were switched from pH 8.5 to pH 6.0 and recovered growth rapidly, whereas cultures switched from pH 6.0 to pH 8.5 showed a long lag time. Log-pha...

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Bibliographic Details
Published in:Applied and Environmental Microbiology 2009-02, Vol.75 (4), p.981-990
Main Authors: Wilks, Jessica C, Kitko, Ryan D, Cleeton, Sarah H, Lee, Grace E, Ugwu, Chinagozi S, Jones, Brian D, BonDurant, Sandra S, Slonczewski, Joan L
Format: Article
Language:English
Subjects:
Acetoin
Acids - pharmacology
Adaptation, Physiological
Alkalies - pharmacology
Anti-Bacterial Agents - pharmacology
Bacillus subtilis
Bacillus subtilis - drug effects
Bacillus subtilis - genetics
Bacillus subtilis - physiology
Bacteria
Bacteriology
Biochemistry
Biological and medical sciences
Cell culture
Cells
Evolutionary and Genomic Microbiology
Fundamental and applied biological sciences. Psychology
Gene Expression Profiling
Gene Expression Regulation, Bacterial
Microbial Viability
Microbiology
Potassium
Proteins
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Summary:Acid and base environmental stress responses were investigated in Bacillus subtilis. B. subtilis AG174 cultures in buffered potassium-modified Luria broth were switched from pH 8.5 to pH 6.0 and recovered growth rapidly, whereas cultures switched from pH 6.0 to pH 8.5 showed a long lag time. Log-phase cultures at pH 6.0 survived 60 to 100% at pH 4.5, whereas cells grown at pH 7.0 survived
ISSN:0099-2240
1098-5336
1098-6596
DOI:10.1128/AEM.01652-08