Journal
GENOME RESEARCH
Volume 27, Issue 3, Pages 385-392Publisher
COLD SPRING HARBOR LAB PRESS, PUBLICATIONS DEPT
DOI: 10.1101/gr.212563.116
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Funding
- National Institutes of Health (NIH) [U54HG006996]
- NIH [R01HG006827]
- Howard Hughes Medical Institute International Student Research Fellowship
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Phenotypic differences within populations and between closely related species are often driven by variation and evolution of gene expression. However, most analyses have focused on the effects of genomic variation at cis-regulatory elements such as promoters and enhancers that control transcriptional activity, and little is understood about the influence of post-transcriptional processes on transcript evolution. Post-transcriptional modification of RNA by N-6-methyladenosine (m(6)A) has been shown to be widespread throughout the transcriptome, and this reversible mark can affect transcript stability and translation dynamics. Here we analyze m(6)A mRNA modifications in lymphoblastoid cell lines (LCLs) from human, chimpanzee and rhesus, and we identify patterns of m(6)A evolution among species. We find that m(6)A evolution occurs in parallel with evolution of consensus RNA sequence motifs known to be associated with the enzymatic complexes that regulate m6A dynamics, and expression evolution of m(6)A-modified genes occurs in parallel with m(6)A evolution.
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