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Co-translational degradation via the ubiquitin-proteasome system mediates quality control of 15 – 25% of nascent proteins, a proportion that is known to increase dramatically under proteotoxic stress conditions. Whereas the ubiquitylation machinery involved has been characterized, mechanisms coordin...
ORGANISM(S): Homo sapiens (Human) 
2021-09-09 | PXD020140 | Pride
Exposure to heat stress triggers a well-defined acute response marked by HSF1-dependent transcriptional upregulation of heat shock proteins. Cells allowed to recover acquire thermotolerance, but this adaptation is poorly understood. By quantitative proteomics, we discovered selective upregulation of...
ORGANISM(S): Homo sapiens (Human) 
2021-05-02 | PXD025123 | Pride
Genes containing multiple polyadenylation (polyA) sites express mRNA isoforms with variable 3’ untranslated regions (3’UTRs). We found that short and long 3’UTR isoforms were relatively more abundant when genes were highly and lowly expressed, respectively, in human and mouse cells. Consistently, up...
ORGANISM(S): Mus musculus 
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