Abstract:
:Escherichia coli strains mutant in the starvation gene cstC grow normally in a mineral salts medium but are impaired in utilizing amino acids as nitrogen sources. They are also compromised in starvation survival, where amino acid catabolism is important. The cstC gene encodes a 406-amino-acid protein that closely resembles the E. coli ArgD protein, which is involved in arginine biosynthesis. We postulate that CstC is a counterpart of ArgD in an amino acid catabolic pathway. The cstC upstream region contains several regulatory consensus sequences. Both sigmaS and sigma54 promoters are probably involved in cstC transcription and appear to compete with each other, presumably to match cstC expression to the cellular amino acid catabolic needs.
journal_name
J Bacterioljournal_title
Journal of bacteriologyauthors
Fraley CD,Kim JH,McCann MP,Matin Adoi
10.1128/JB.180.16.4287-4290.1998subject
Has Abstractpub_date
1998-08-01 00:00:00pages
4287-90issue
16eissn
0021-9193issn
1098-5530journal_volume
180pub_type
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journal_title:Journal of bacteriology
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更新日期:1965-08-01 00:00:00
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pub_type: 杂志文章
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journal_title:Journal of bacteriology
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更新日期:1984-08-01 00:00:00