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Genome-wide Measurement of RNA Folding Energies

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons79592

Makino,  Debora L.
Conti, Elena / Structural Cell Biology, Max Planck Institute of Biochemistry, Max Planck Society;

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Zitation

Wan, Y., Qu, K., Ouyang, Z., Kertesz, M., Li, J., Tibshirani, R., et al. (2012). Genome-wide Measurement of RNA Folding Energies. MOLECULAR CELL, 48(2), 169-181. doi:10.1016/j.molcel.2012.08.008.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-000E-7763-2
Zusammenfassung
RNA structural transitions are important in the function and regulation of RNAs. Here, we reveal a layer of transcriptome organization in the form of RNA folding energies. By probing yeast RNA structures at different temperatures, we obtained relative melting temperatures (Tm) for RNA structures in over 4000 transcripts. Specific signatures of RNA Tm demarcated the polarity of mRNA open reading frames and highlighted numerous candidate regulatory RNA motifs in 3' untranslated regions. RNA Tm distinguished noncoding versus coding RNAs and identified mRNAs with distinct cellular functions. We identified thousands of putative RNA thermometers, and their presence is predictive of the pattern of RNA decay in vivo during heat shock. The exosome complex recognizes unpaired bases during heat shock to degrade these RNAs, coupling intrinsic structural stabilities to gene regulation. Thus, genome-wide structural dynamics of RNA can parse functional elements of the transcriptome and reveal diverse biological insights.