These tools will no longer be maintained as of December 31, 2024. Archived website can be found here. PubMed4Hh GitHub repository can be found here. Contact NLM Customer Service if you have questions.


Pubmed for Handhelds

PUBMED FOR HANDHELDS

Search MEDLINE/PubMed

  • Title: Relief of catabolite repression in a cAMP-independent catabolite gene activator mutant of Escherichia coli.
    Author: Karimova G, Ladant D, Ullmann A.
    Journal: Res Microbiol; 2004 Mar; 155(2):76-9. PubMed ID: 14990258.
    Abstract:
    We isolated and characterized a new catabolite gene activator mutant (crp*) of Escherichia coli that confers cAMP-independent expression and total relief of catabolite repression of beta-galactosidase and tryptophanase synthesis. The two mutations responsible for this phenotype change the amino acids at codon 72 from Glu to Ala and at codon 144 from Ala to Thr in the corresponding CAP* protein.
    [Abstract] [Full Text] [Related] [New Search]