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Article

RibR, a possible regulator of the Bacillus subtilis riboflavin biosynthetic operon, in vivo interacts with the 5'-untranslated leader of rib mRNA.

FEMS microbiology letters - 1 Sept 2007

Higashitsuji Yuhei, Angerer Annemarie, Berghaus Sabine, Hobl Birgit, Mack Matthias

Abstract excerpt

RibR is a minor cryptic flavokinase (EC 2.7.1.26) of the Gram-positive bacterium Bacillus subtilis with an unknown cellular function. The flavokinase activity appears to be localized to the N-terminal domain of the protein. Using the yeast three-hybrid system, it was shown that RibR specifically interacts in vivo with the nontranslated wild-type leader of the mRNA of the riboflavin biosynthetic operon. This...

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Identifiers

PMID: 17590224
DOI: 10.1111/j.1574-6968.2007.00817.x

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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.

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RibR, a possible regulator of the Bacillus subtilis riboflavin biosynthetic operon, in vivo interacts with the 5'-untranslated leader of rib mRNA.PMID 17590224Read ↗

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The ribR gene encodes a monofunctional riboflavin kinase which is involved in regulation of the Bacillus subtilis riboflavin operon.Semantic proximity Read ↗

The riboflavin kinase encoding gene ribR of Bacillus subtilis is a part of a 10 kb operon, which is negatively regulated by the yrzC gene product.Semantic proximity Read ↗

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Functional organization of the riboflavin biosynthesis operon from Bacillus subtilis SHgw.Semantic proximity Read ↗

Roseoflavin is a natural antibacterial compound that binds to FMN riboswitches and regulates gene expression.Semantic proximity Read ↗

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A single change in the aptamer of the Lactiplantibacillus plantarum rib operon riboswitch severely impairs its regulatory activity and leads to a vitamin B2 - overproducing phenotype.Semantic proximity Read ↗

The Bacillus subtilis genes for ribonucleotide reductase are similar to the genes for the second class I NrdE/NrdF enzymes of Enterobacteriaceae.Semantic proximity Read ↗

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The Saccharomyces cerevisiae RIB4 gene codes for 6,7-dimethyl-8-ribityllumazine synthase involved in riboflavin biosynthesis. Molecular characterization of the gene and purification of the encoded protein.Semantic proximity Read ↗

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