Reference: Watanabe Y, et al. (2004) Heterologous expression of Zygosaccharomyces rouxii glycerol 3-phosphate dehydrogenase gene (ZrGPD1) and glycerol dehydrogenase gene (ZrGCY1) in Saccharomyces cerevisiae. FEMS Yeast Res 4(4-5):505-10

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Abstract


We examined the effects of heterologous expression of the open reading frames (ORF) of two genes on salt tolerance and glycerol production in a Saccharomyces cerevisiae strain deficient in glycerol synthesis (gpd1Deltagpd2Delta). When the ORF of the Zygosaccharomyces rouxii glycerol 3-phosphate dehydrogenase gene (ZrGPD1) was expressed under the control of the GAL10 promoter, salt tolerance and glycerol production increased; when the ORF of the glycerol dehydrogenase gene (ZrGCY1) was expressed under the control of the GAL1 promoter, no such changes were observed. Zrgcy1p had a weak effect on glycerol production. These results suggest that Zrgpd1p is the primary enzyme involved in Z. rouxii glycerol production, following a mechanism similar to that of S. cerevisiae (Gpd1p). When the ORFs of the S. cerevisiae glycerol 3-phosphatase gene (GPP2) and ZrGPD1 were simultaneously expressed, glycerol production increased, compared with that in yeast expressing only ZrGPD1.

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Journal Article
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Watanabe Y, Tsuchimoto S, Tamai Y
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