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Article

Presence of a gene encoding choline sulfatase in Sinorhizobium meliloti bet operon: choline-O-sulfate is metabolized into glycine betaine.

Proceedings of the National Academy of Sciences of the United States of America - 15 Sept 1998

Osterås M, Boncompagni E, Vincent N, Poggi M C, Le Rudulier D

Abstract excerpt

Glycine betaine is a potent osmoprotectant accumulated by Sinorhizobium meliloti to cope with osmotic stress. The biosynthesis of glycine betaine from choline is encoded by an operon of four genes, betICBA, as determined by sequence and mutant analysis. The betI and betC genes are separated by an intergenic region containing a 130-bp mosaic element that also is present between the betB and betA genes. In addition...

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Identifiers

PMID: 9736747
DOI: 10.1073/pnas.95.19.11394
PMCID: PMC21653

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

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Research trail→

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Presence of a gene encoding choline sulfatase in Sinorhizobium meliloti bet operon: choline-O-sulfate is metabolized into glycine betaine.PMID 9736747Read ↗

The Sinorhizobium meliloti glycine betaine biosynthetic genes (betlCBA) are induced by choline and highly expressed in bacteroids.Semantic proximity Read ↗

Uncoupling of choline-O-sulphate utilization from osmoprotection in Pseudomonas putida.Semantic proximity Read ↗

The diversity and functions of choline sulphatases in microorganisms.Semantic proximity Read ↗

Overexpression of BetS, a Sinorhizobium meliloti high-affinity betaine transporter, in bacteroids from Medicago sativa nodules sustains nitrogen fixation during early salt stress adaptation.Semantic proximity Read ↗

Three transport systems for the osmoprotectant glycine betaine operate in Bacillus subtilis: characterization of OpuD.Semantic proximity Read ↗

Isolation, characterization, and expression of the Corynebacterium glutamicum betP gene, encoding the transport system for the compatible solute glycine betaine.Semantic proximity Read ↗

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Halotolerant cyanobacterium Aphanothece halophytica contains a betaine transporter active at alkaline pH and high salinity.Semantic proximity Read ↗

Gene SMb21071 of plasmid pSymB is required for osmoadaptation of Sinorhizobium meliloti 1021 and is implicated in modifications of cell surface polysaccharides structure in response to hyperosmotic stress.Semantic proximity Read ↗

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Polyamines are required for normal growth in Sinorhizobium meliloti.Semantic proximity Read ↗

Genetic and biochemical characterization of a pathway for the degradation of 2-aminoethylphosphonate in Sinorhizobium meliloti 1021.Semantic proximity Read ↗

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