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https://hdl.handle.net/1822/2429
Título: | GUP1 and its close homologue GUP2, encoding multi-membrane-spanning proteins involved in active glycerol uptake in Saccharomyces cerevisiae |
Autor(es): | Holst, Bjørn Lunde, Christina Lages, Fernanda Oliveira, Rui Pedro Soares de Lucas, Cândida Kielland-Brandt, Morten |
Palavras-chave: | GUP1, GUP2 Glycerol active uptake Saccharomyces cerevisiae |
Data: | 2000 |
Editora: | Blackwell Publishing |
Revista: | Molecular Microbiology |
Citação: | "Molecular Microbiology". ISSN 0950-382X. 37:1 (2000) 108-124. |
Resumo(s): | Many yeast species can utilise glycerol, both as sole carbon source and as an osmolyte. In Saccharomyces cerevisiae, physiological studies have previously shown the presence of an active uptake system driven by electrogenic proton symport. We have used transposon mutagenesis to isolate mutants affected in the transport of glycerol into the cell. Here we present the identification of YGL084c, encoding a multi-membrane-spanning protein, as being essential for proton symport of glycerol into Saccharomyces cerevisiae. The gene is named GUP1 (Glycerol UPtake) and is important for growth on glycerol as carbon and energy source, as well as for osmotic protection by added glycerol, of a strain deficient in glycerol production. Another ORF, YPL189w, presenting a high degree of homology to YGL084c, similarly appears to be involved in active glycerol uptake in salt-containing glucose-based media in strains deficient in glycerol production. Analogously, this gene is named GUP2. To our knowledge, this is the first report on a gene product involved in active transport of glycerol in yeasts. Mutations with the same phenotypes occurred in two other open reading frames of previously unknown function, YDL074c and YPL180w. |
Tipo: | Artigo |
URI: | https://hdl.handle.net/1822/2429 |
DOI: | 10.1046/j.1365-2958.2000.01968.x |
ISSN: | 0950-382X 1365-2958 |
Arbitragem científica: | yes |
Acesso: | Acesso aberto |
Aparece nas coleções: | DBio - Artigos/Papers |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
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Postprint Holst2000.pdf | 1,11 MB | Adobe PDF | Ver/Abrir |