Transcriptome maps of general eukaryotic RNA degradation factors
- Max Planck Institute for Biophysical Chemistry, Germany
Abstract
RNA degradation pathways enable RNA processing, the regulation of RNA levels, and the surveillance of aberrant or poorly functional RNAs in cells. Here we provide transcriptome-wide RNA-binding profiles of 30 general RNA degradation factors in the yeast Saccharomyces cerevisiae. The profiles reveal the distribution of degradation factors between different RNA classes. They are consistent with the canonical degradation pathway for closed-loop forming mRNAs after deadenylation. Modeling based on mRNA half-lives suggests that most degradation factors bind intact mRNAs, whereas decapping factors are recruited only for mRNA degradation, consistent with decapping being a rate-limiting step. Decapping factors preferentially bind mRNAs with non-optimal codons, consistent with rapid degradation of inefficiently translated mRNAs. Global analysis suggests that the nuclear surveillance machinery, including the complexes Nrd1/Nab3 and TRAMP4, targets aberrant nuclear RNAs and processes snoRNAs.
Data availability
Sequencing data have been deposited in GEO under accession codes GSE 128312.
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Transcriptome maps of general eukaryotic RNA degradation factorsNCBI Gene Expression Omnibus, GSE8128312.
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Transcriptome maps of mRNP biogenesis factors define pre-mRNA recognitionNCBI Gene Expression Omnibus, GSE59676.
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Genome-wide analysis of RNA polymerase II termination at protein-coding genes.NCBI Gene Expression Omnibus, GSE79222.
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RNA-dependent chromatin association of transcription elongation factors and Pol II CTD kinasesNCBI Gene Expression Omnibus, GSE81822.
Article and author information
Author details
Salma Sohrabi-Jahromi
Katharina B Hofmann
Funding
European Research Council (Advanced Grant Transregulon)
- Patrick Cramer
Volkswagen Foundation
- Patrick Cramer
Deutsche Forschungsgemeinschaft (SPP1935 grant CR 117/6-1)
- Johannes Soeding
- Patrick Cramer
Max-Planck-Gesellschaft (Open-Access funding)
- Patrick Cramer
The funders had no role in study design, data collection and interpretation, or the decision to submit the work for publication.
Copyright
© 2019, Sohrabi-Jahromi et al.
This article is distributed under the terms of the Creative Commons Attribution License permitting unrestricted use and redistribution provided that the original author and source are credited.
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Transcriptome maps of general eukaryotic RNA degradation factors
eLife 8:e47040.
https://doi.org/10.7554/eLife.47040
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