Carbon dioxide as a regulator of gene expression in microorganisms

CO2 regulates gene expression across a diverse group of microorganisms including fungi, and both photosynthetic and non photosynthetic bacteria. The processes that CO2 regulates are diverse. Several CO2-responsive random promoter lacZ fusions of unknown function have been isolated from a marine Syne...

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Bibliographic Details
Published in:Antonie van Leeuwenhoek 1998, Vol.73 (1), p.79-85
Main Authors: STRETTON, S, GOODMAN, A. E
Format: Article
Language:English
Subjects:
Bacteria
Bacteria - genetics
Bacteria - metabolism
Bacteriology
Biological and medical sciences
Carbon
Carbon dioxide
Carbon Dioxide - metabolism
Fundamental and applied biological sciences. Psychology
Fungi - genetics
Fungi - metabolism
Gene Expression Regulation, Bacterial
Gene Expression Regulation, Fungal
Genes, Bacterial
Genetics
Microbiology
Microorganisms
Toxins
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Summary:CO2 regulates gene expression across a diverse group of microorganisms including fungi, and both photosynthetic and non photosynthetic bacteria. The processes that CO2 regulates are diverse. Several CO2-responsive random promoter lacZ fusions of unknown function have been isolated from a marine Synechococcus and a Pseudoalteromonas sp., highlighting the wide effect of CO2 control in these organisms. Regulatory proteins have been described that mediate the CO2 response at transcription level in Bacillus anthracis, the group A streptococci and two Rhodobacter spp. These regulatory proteins include: AcpA and AtxA that are involved in CO2 control of B. anthracis capsule and toxin production; Mga that regulates surface associated virulence factors in the group A streptococci; and RegB/A, a two component signal transduction system that responds to environmental stimuli including CO2, to regulate photosynthetic apparatus and CO2 fixation enzyme synthesis in Rhodobacter spp.
ISSN:0003-6072
1572-9699
DOI:10.1023/A:1000610225458