期刊
CELL REPORTS
卷 1, 期 1, 页码 69-82出版社
CELL PRESS
DOI: 10.1016/j.celrep.2011.10.002
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资金
- American Cancer Society [IRG-78-002-30]
- Penn Genome Frontiers Institute
- Pennsylvania Department of Health
- Burroughs-Wellcome Fund Career Award at the Scientific Interface
- NATIONAL INSTITUTE OF GENERAL MEDICAL SCIENCES [T32GM007367] Funding Source: NIH RePORTER
- NATIONAL INSTITUTE ON ALCOHOL ABUSE AND ALCOHOLISM [R01AA017580] Funding Source: NIH RePORTER
The secondary structure of RNA is necessary for its maturation, regulation, processing, and function. However, the global influence of RNA folding in eukaryotes is still unclear. Here, we use a high-throughput, sequencing-based, structure-mapping approach to identify the paired (double-stranded RNA [dsRNA]) and unpaired (single-stranded RNA [ssRNA]) components of the Drosophila melanogaster and Caenorhabditis elegans transcriptomes, which allows us to identify conserved features of RNA secondary structure in metazoans. From this analysis, we find that ssRNAs and dsRNAs are significantly correlated with specific epigenetic modifications. Additionally, we find key structural patterns across protein-coding transcripts that indicate that RNA folding demarcates regions of protein translation and likely affects microRNA-mediated regulation of mRNAs in animals. Finally, we identify and characterize 546 mRNAs whose folding pattern is significantly correlated between these metazoans, suggesting that their structure has some function. Overall, our findings provide a global assessment of RNA folding in animals.
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