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Article

[Effect of rib83 mutation on riboflavin biosynthesis and iron assimilation in Pichia guilliermondii].

Mikrobiologiia - 1 Jan 2000

Stenchuk N N, Kutsiaba V I, Kshanovskaia B V, Fedorovich D V

Abstract excerpt

The monogenic rib83 mutation blocked riboflavin oversynthesis in the yeast Pichia guilliermondii and lowered iron acquisition by cells, their ferric reductase activity, and the growth rate in iron-deficient media. Mutants with the combined mutations of rib83 with rib80 and rib81 (the last two mutations impair the negative control of riboflavin synthesis and thus cause its oversynthesis) were unable to depress the...

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PMID: 11785131

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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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[Effect of rib83 mutation on riboflavin biosynthesis and iron assimilation in Pichia guilliermondii].PMID 11785131Read ↗

[Synergistic effect of rib80 and hit mutations on riboflavin biosynthesis and iron transport in the yeast Pichia guilliermondii].Semantic proximity Read ↗

[The red mutations impair the regulation of flavinogenesis and metal homeostas in yeast Pichia guilliermondii].Semantic proximity Read ↗

Mutations and environmental factors affecting regulation of riboflavin synthesis and iron assimilation also cause oxidative stress in the yeast Pichia guilliermondii.Semantic proximity Read ↗

[A flavinogenic mutant of the yeast Pichia guilliermondii with impaired iron transport].Semantic proximity Read ↗

[Biosynthesis of flavins and its regulation in the yeast Pichia guilliermondii].Semantic proximity Read ↗

[Overproduction of riboflavin in mutants of Pichia guilliermondii yeasts resistant to 7-methyl-8-trifluoromethyl-10-(1'-D-ribityl)isoalloxazine].Semantic proximity Read ↗

[Selection and mutant properties of Pichia guilliermondii yeasts with derepressed GTP cyclohydrolase, the enzyme of the 1st step in flavinogenesis].Semantic proximity Read ↗

Identification of the genes affecting the regulation of riboflavin synthesis in the flavinogenic yeast Pichia guilliermondii using insertion mutagenesis.Semantic proximity Read ↗

[Activity of the enzyme of the 2d step of flavinogenesis, 2,5-diamino-6-hydroxy-4-ribosylaminopyrimidine-5'-phosphate reductase, in Pichia guilliermondii yeasts].Semantic proximity Read ↗

[Ferrireductase from Pichia guilliermondii: properties and regulation of activity and synthesis].Semantic proximity Read ↗

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