Article
Effect of ppGpp on Escherichia coli cyclopropane fatty acid synthesis is mediated through the RpoS sigma factor (sigmaS).
Journal of bacteriology - 1 Jan 1999
Eichel J, Chang Y Y, Riesenberg D, Cronan J E
Abstract excerpt
Strains of Escherichia coli carrying mutations at the relA locus are deficient in cyclopropane fatty acid (CFA) synthesis, a phospholipid modification that occurs as cultures enter stationary phase. RelA protein catalyzes the synthesis of guanosine-3',5'-bisdiphosphate (ppGpp); therefore, ppGpp was a putative direct regulator of CFA synthesis. The nucleotide could act by increasing either the activity or the...
Read the complete abstract on PubMedTopics
Share this publication in a Topic to start or enrich a Post.
