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dc.contributor.authorCastro, Ieso de Miranda-
dc.contributor.authorDias, Maria C. Loureiro-
dc.identifier.citationCASTRO, I. de M.; DIAS, M. C. L. Glycerol utilization in Fusarium oxysporum var lini: regulation of transport and metabolism. Journal Of General Microbiology, v. 137, p.1497-1502, 1991. Disponível em: <>. Acesso em: 10 jan. 2017.pt_BR
dc.description.abstractGlycerol was transported in the fungus Fusarium oxysporum var. lini by a facilitated diffusion transport system with a half-saturation constant, Ks, of 0.5 mM and a maximum velocity, Vmax, of 0.9 mmol (g dry wt)-l h-l at pH 5 and 25OC. 1,2-Propanediol was a competitive inhibitor of glycerol transport, but the cells did not actively accumulate 1,2-propanediol. The transport system was partially constitutive. In cells grown in the presence of glucose, glycerol was not transported, indicating that the synthesis of the system was under glucose repression. Glycerol base and NADP+-dependent glycerol dehydrogenase activities were present under all physiological conditions tested. A flavin-dependent glycerol phosphate dehydrogenase was induced only when glycerol was the sole energy source in the medium. This enzyme, together with the transport system, constitute the regulated steps in the glycerol metabolic pathway.pt_BR
dc.titleGlycerol utilization in Fusarium oxysporum var lini : regulation of transport and metabolism.pt_BR
dc.typeArtigo publicado em periodicopt_BR
Appears in Collections:DEFAR - Artigos publicados em periódicos

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