Abstract
Cyclic guanosine 3',5'-monophosphate inhibits the synthesis of beta-galactosidase and tryptophanase in cultures of Escherichia coli growing in minimal media with glucose or glycerol as the carbon source. Cyclic guanosine 3',5'-monophosphate acts at the transcriptional level in the lac operon, it exerts its action at the promoter site of the operon, and requires the presence of functional cyclic adenosine 3',5'-monophosphate receptor protein.
MeSH Terms
Carbon Radioisotopes
Culture Media
Cyclic AMP/pharmacology
Cyclic GMP/pharmacology
Enzyme Induction
Escherichia coli/drug effects,enzymology
Galactosidases/antagonists & inhibitors,biosynthesis
Glucose/pharmacology
Glycerol/pharmacology
Leucine/metabolism
Lyases/biosynthesis
Mutation
Nucleic Acid Hybridization
RNA, Messenger/metabolism
Stimulation, Chemical
Tryptophanase/antagonists & inhibitors,biosynthesis
Chemicals
Carbon Radioisotopes
Culture Media
RNA, Messenger
Cyclic AMP
Galactosidases
Lyases
Tryptophanase
Leucine
Cyclic GMP
Glucose
Glycerol
Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Artman M
Werthamer S
References (19)
19 references, click to expand
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