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Vogel C, et al.  (2011) Protein expression regulation under oxidative stress. Mol Cell Proteomics 10(12):M111.009217

Abstract: Oxidative stress is known to affect both translation and protein turnover, but very few large scale studies describe protein expression under stress. We measure protein concentrations in Saccharomyces cerevisiae over the course of 2 h in response to a mild oxidative stress induced by diamide, providing detailed time-resolved information for 815 proteins, with additional data for another ~1,100 proteins. For the majority of proteins, we discover major differences between the global transcript and protein response. Although mRNA levels often return to baseline 1 h after treatment, protein concentrations continue to change. Integrating our data with features of translation and protein degradation, we are able to predict expression patterns for 41% of the proteins in the core data set. Predictive features include, among others, targeting by RNA-binding proteins (Lhp1 and Khd1), RNA secondary structures, RNA half-life, and translation efficiency under unperturbed conditions and in response to oxidative reagents, but not chaperone binding. We are able to both describe general dynamics of protein concentration changes and suggest possible regulatory mechanisms for individual proteins.

Status: Published Type: Journal Article PubMed ID: 21933953

Topics addressed in this paper

Number of different genes curated to this paper: 23

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Topics Topics not linked to Genes Genes linked to topics (#1 - 10 )
AHP1 CCS1 GLN4 GLR1 GRX1 GRX2 GSH2 HEK2 HYR1 ILS1
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Large-scale protein detection yg ball
Omics yg ball
Regulatory Role blue ball
RNA Levels and Processing blue ball blue ball blue ball blue ball blue ball blue ball blue ball blue ball blue ball
Translational Regulation blue ball blue ball blue ball blue ball blue ball blue ball blue ball blue ball blue ball

Topics Genes linked to topics (#11 - 20 )
LHP1 MEX67 PAB1 PUB1 RPS11B RPS2 SOD1 TIF2 TRR2 TRX2
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Primary Literature blue ball
Regulatory Role blue ball blue ball blue ball blue ball
RNA Levels and Processing blue ball blue ball blue ball blue ball blue ball blue ball blue ball
Translational Regulation blue ball blue ball blue ball blue ball blue ball blue ball blue ball

Topics Genes linked to topics (#21 - 23 )
TSA1 YRA1 ZWF1
Additional Literature blue ball blue ball blue ball
Regulatory Role blue ball
RNA Levels and Processing blue ball blue ball
Translational Regulation blue ball blue ball

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