ArticleVirus genes2007
Glucose signaling controls the transcription of retrotransposon Ty2-917 in Saccharomyces cerevisiae.
Article in Virus genes, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
We have analyzed the effects of glucose signaling on the transcription in the yeast retrotransposon Ty2-917. Growth of Saccharomyces cerevisiae in non-fermentable carbon sources such as glycerol, lactate, or ethanol resulted in a dramatic decrease in the transcription of Ty2-917. However, when the yeast cells were transferred to a fermentable growth medium, Ty2-917 transcription is activated by 13-fold. Nonetheless, it appears that the activation of Ty2 transcription requires high levels of glucose since low levels of glucose or 2-deoxyglucose were not sufficient for the activation of Ty2 transcription. In addition, we have shown that glucose induction of Ty2 transcription may require the transcription factor Gcr1p since the glucose induced transcription level of Ty2 is much lower in a gcr1 mutant yeast strain than the GCR1+ strain. These results demonstrate that glucose signaling activates the transcription in the retroviral-like element Ty2-917.
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