Reference: Ferreira JC, et al. (2000) Inactivation of maltose permease and maltase in sporulating Saccharomyces cerevisiae. Can J Microbiol 46(4):383-6

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Abstract


Maltose transport and maltase activities were inactivated during sporulation of a MAL constitutive yeast strain harboring different MAL loci. Both activities were reduced to almost zero after 5 h of incubation in sporulation medium. The inactivation of maltase and maltose permease seems to be related to optimal sporulation conditions such as a suitable supply of oxygen and cell concentration in the sporulating cultures, and occurs in the fully derepressed conditions of incubation in the sporulation acetate medium. The inactivation of maltase and maltose permease under sporulation conditions in MAL constitutive strains suggests an alternative mechanism for the regulation of the MAL gene expression during the sporulation process.

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Journal Article | Research Support, Non-U.S. Gov't
Authors
Ferreira JC, Panek AD, de Araujo PS
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