Biological Basis of miRNA Action when Their Targets Are Located in Human Protein Coding Region

0Citations
Citations of this article
23Readers
Mendeley users who have this article in their library.

Abstract

Recent analyses have revealed many functional microRNA (miRNA) targets in mammalian protein coding regions. But, the mechanisms that ensure miRNA function when their target sites are located in protein coding regions of mammalian mRNA transcripts are largely unknown. In this paper, we investigate some potential biological factors, such as target site accessibility and local translation efficiency. We computationally analyze these two factors using experimentally identified miRNA targets in human protein coding region. We find site accessibility is significantly increased in miRNA target region to facilitate miRNA binding. At the mean time, local translation efficiency is also selectively decreased near miRNA target region. GC-poor codons are preferred in the flank region of miRNA target sites to ease the access of miRNA targets. Within-genome analysis shows substantial variations of site accessibility and local translation efficiency among different miRNA targets in the genome. Further analyses suggest target gene's GC content and conservation level could explain some of the differences in site accessibility. On the other hand, target gene's functional importance and conservation level can affect local translation efficiency near miRNA target region. We hence propose both site accessibility and local translation efficiency are important in miRNA action when miRNA target sites are located in mammalian protein coding regions. © 2013 Gu et al.

Cite

CITATION STYLE

APA

Gu, W., Wang, X., Zhai, C., Zhou, T., & Xie, X. (2013). Biological Basis of miRNA Action when Their Targets Are Located in Human Protein Coding Region. PLoS ONE, 8(5). https://doi.org/10.1371/journal.pone.0063403

Register to see more suggestions

Mendeley helps you to discover research relevant for your work.

Already have an account?

Save time finding and organizing research with Mendeley

Sign up for free