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Article Dans Une Revue Yeast Année : 2002

The role of the 5k untranslated region (UTR) in glucose-dependent mRNA decay

Résumé

When S. cerevisiae are grown with glucose, SDH2 mRNA encoding the iron protein of the succinate dehydrogenase complex is unstable and present at low level. In yeast grown without glucose, SDH2 mRNA is stable and its level rises. Addition of glucose to a glucose-limited culture causes the SDH2 mRNA level to fall rapidly with a half-life of y5-7 min. Previously the 5kUTR of the mRNA of SDH2 was shown to be necessary and sufficient to destabilize it in glucose (Lombardo et al., 1992). We now show that the SDH1 and SUC2 5kUTRs are capable of conferring glucose-sensitive mRNA instability. We also examine how changes in the SDH2 5kUTR affect glucose-triggered degradation. Finally, we show that changes in mRNA stability are correlated with changes in translational efficiency for these transcripts.
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Dates et versions

hal-03848483 , version 1 (10-11-2022)

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Bernard J de La Cruz, Susana Prieto, Immo E Scheffler. The role of the 5k untranslated region (UTR) in glucose-dependent mRNA decay. Yeast, 2002, 19 (10), ⟨10.1002/yea.884⟩. ⟨hal-03848483⟩

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