Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Transcription profiling of butanol treated yeast to monitor the transcript level and also the translation status for each RNA

ABSTRACT: Global restriction of protein synthesis is a hallmark of cellular stress. Using fusel alchohol addition, we monitor the transcript level and also the translation status for each RNA using cycloheximide to freeze elongating ribosomes. Polyribosome fractionation of cell extracts was used to seperate highly translated and poorly translated mRNAs that were then seperately analysed.

ORGANISM(S): Saccharomyces cerevisiae

SUBMITTER: Ioulia Smirnova 

PROVIDER: E-MEXP-324 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Global gene expression profiling reveals widespread yet distinctive translational responses to different eukaryotic translation initiation factor 2B-targeting stress pathways.

Smirnova Julia B JB   Selley Julian N JN   Sanchez-Cabo Fatima F   Carroll Kathleen K   Eddy A Alan AA   McCarthy John E G JE   Hubbard Simon J SJ   Pavitt Graham D GD   Grant Chris M CM   Ashe Mark P MP  

Molecular and cellular biology 20051101 21

Global inhibition of protein synthesis is a hallmark of many cellular stress conditions. Even though specific mRNAs defy this (e.g., yeast GCN4 and mammalian ATF4), the extent and variation of such resistance remain uncertain. In this study, we have identified yeast mRNAs that are translationally maintained following either amino acid depletion or fusel alcohol addition. Both stresses inhibit eukaryotic translation initiation factor 2B, but via different mechanisms. Using microarray analysis of  ...[more]

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