Involvement of iclR and rpoS in the induction of acs, the gene for acetyl coenzyme A synthetase of Escherichia coli K-12

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Title
Involvement of iclR and rpoS in the induction of acs, the gene for acetyl coenzyme A synthetase of Escherichia coli K-12
Author(s)
Sooan Shin; Suk Gil Song; Dae Sang Lee; Jae Gu Pan; Chankyu Park
Bibliographic Citation
FEMS Microbiology Letters, vol. 146, no. 1, pp. 103-108
Publication Year
1997
Abstract
Two independent pathways in Escherichia coli convert acetate to acetyl CoA: reversal of acetate production by phosphotransacetylase and acetate kinase, and the acetyl-CoA synthetase (Acs) pathway that scavenges acetate. We investigated acs gene expression by using a cat transcriptional fusion. It was observed that acs expression varies depending on the carbon sources used and occurs in the stationary phase of growth even in the absence of acetate. Mutations in iclR for the repressor of the glyoxylate shunt and in rpoS for the stationary phase sigma factor reduced the consumption of acetate mediated by Acs, indicating that both are involved in acs regulation.
Keyword
Acetyl-CoA synthetaseacsAcetate utilizationIclRRpoSEscherichia coli
ISSN
0378-1097
Publisher
Oxford Univ Press
DOI
http://dx.doi.org/10.1111/j.1574-6968.1997.tb10178.x
Type
Article
Appears in Collections:
1. Journal Articles > Journal Articles
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