Characterization of lactose transport in Kluyveromyces lactis
نویسندگان
چکیده
منابع مشابه
Regulation of lactose transport in Kluyveromyces lactis
Kluyveromyces lactis is able to ferment lactose and it is considered as an alternative model for biochemical, physiological and genetic studies in nonSaccharomyces yeasts. Understanding the mechanisms of lactose uptake and the regulation involved in the transport is an important step towards better biotechnological applications. The transport of lactose in K. lactis is mediated by a membrane pe...
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Saccharomyces cerevisiae and Kluyveromyces lactis are considered to be the prototypes of two distinct metabolic models of facultatively-aerobic yeasts: Crabtree-positive/fermentative and Crabtree-negative/respiratory, respectively. Our group had previously proposed that one of the molecular keys supporting this difference lies in the mechanisms involved in the reoxidation of the NADPH produced ...
متن کاملRole of Snf1p in regulation of intracellular sorting of the lactose and galactose transporter Lac12p in Kluyveromyces lactis.
The protein kinase Snf1/AMPK plays a central role in carbon and energy homeostasis in yeasts and higher eukaryotes. To work out which aspects of the Snf1-controlled regulatory network are conserved in evolution, the Snf1 requirement in galactose metabolism was analyzed in the yeast Kluyveromyces lactis. Whereas galactose induction was only delayed, K. lactis snf1 mutants failed to accumulate th...
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The overexpression of efflux pumps is an important mechanism leading to the development of multidrug resistance phenomenon. The transcription factor KlPdr1p, belonging to the Zn2Cys6 family, is a central regulator of efflux pump expression in Kluyveromyces lactis. To better understand how KlPDR1-mediated drug resistance is achieved in K. lactis, we used DNA microarrays to identify genes whose e...
متن کاملPrimary structure of the lactose permease gene from the yeast Kluyveromyces lactis. Presence of an unusual transcript structure.
The LAC12 gene of Kluyveromyces lactis codes for an inducible lactose permease. We have determined the nucleotide sequence of a DNA fragment which includes the complete LAC12 gene. The 4.7-kilobase (kb) mRNA carrying LAC12 contained two open reading frames, ORFI (1761 bases) and ORFII (1266 bases), separated by a 573-base pair noncoding region. Mung bean and exonuclease VII mapping showed that ...
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ژورنال
عنوان ژورنال: Journal of Bacteriology
سال: 1983
ISSN: 0021-9193,1098-5530
DOI: 10.1128/jb.154.3.1245-1251.1983