Glass, R E Hierarchy of the strength of Escherichia coli stringent control signals. [electronic resource] - Molecular & general genetics : MGG Nov 1987 - 1-4 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0026-8925 Standard No.: 10.1007/BF00337750 doi Subjects--Topical Terms: DNA-Directed RNA Polymerases--geneticsEscherichia coli--geneticsGenes, BacterialGuanosine Tetraphosphate--pharmacologyMutationPromoter Regions, Genetic--drug effectsTranscription, Genetic