Abstract
The synthesis of membrane phospholipids and that of stable ribonucleic acid were inhibited during temperature up-shift of both rel+ and relA strains of Escherichia coli. The kinetics of the inhibition of the synthesis of both molecules were correlated with the kinetics of guanosine 5'-diphosphate-3'-diphosphate synthesis. Metabolic down-shift experiments gave similar results.
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