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Article

Proline dehydrogenase activity of the transcriptional repressor PutA is required for induction of the put operon by proline.

The Journal of biological chemistry - 28 Apr 1995

Muro-Pastor A M, Maloy S

Abstract excerpt

The proline utilization (put) operon from Salmonella typhimurium consists of the putP gene, encoding a proline transporter, and the putA gene, encoding an enzyme with both proline dehydrogenase and 1-pyrroline-5-carboxylate dehydrogenase activities. In addition to these two enzymatic activities, the PutA protein is a transcriptional repressor that regulates the expression of putP and putA in response to the...

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Identifiers

PMID: 7730362
DOI: 10.1074/jbc.270.17.9819

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

Related research

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Research trail→

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Proline dehydrogenase activity of the transcriptional repressor PutA is required for induction of the put operon by proline.PMID 7730362Read ↗

Regulation of gene expression by repressor localization: biochemical evidence that membrane and DNA binding by the PutA protein are mutually exclusive.Semantic proximity Read ↗

Proline catabolism by Pseudomonas putida: cloning, characterization, and expression of the put genes in the presence of root exudates.Semantic proximity Read ↗

A cryptic proline permease in Salmonella typhimurium.Semantic proximity Read ↗

Indirect repression by Bacillus subtilis CodY via displacement of the activator of the proline utilization operon.Semantic proximity Read ↗

Isolation, DNA sequence analysis, and mutagenesis of a proline dehydrogenase gene (putA) from Bradyrhizobium japonicum.Semantic proximity Read ↗

Probing the function of a ligand-modulated dynamic tunnel in bifunctional proline utilization A (PutA).Semantic proximity Read ↗

Proline transport and stress tolerance of ammonia-insensitive mutants of the PUT4-encoded proline-specific permease in yeast.Semantic proximity Read ↗

Conformational changes play a role in regulating the activity of the proline utilization pathway-specific regulator in Saccharomyces cerevisiae.Semantic proximity Read ↗

Functional analysis of the PUT3 transcriptional activator of the proline utilization pathway in Saccharomyces cerevisiae.Semantic proximity Read ↗

Defective cation-coupling mutants of Escherichia coli Na+/proline symport carrier. Characterization and localization of mutations.Semantic proximity Read ↗

Regulation of proline utilization in enteric bacteria: cloning and characterization of the Klebsiella put control region.Semantic proximity Read ↗

Low-proline environments impair growth, proline transport and in vivo survival of Staphylococcus aureus strain-specific putP mutants.Semantic proximity Read ↗

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