Small RNAs Derived from the 5' End of TRNA Can Inhibit Protein Translation in Human Cells

Overview

Journal RNA Biol

Specialty Molecular Biology

Date 2013 Apr 9

PMID 23563448

Citations 207

Authors

Andrew Sobala

Gyorgy Hutvagner

Affiliations

Soon will be listed here.

Abstract

Recently, it has been shown that tRNA molecules can be processed into small RNAs that are derived from both the 5' and 3' termini. To date, the function of these tRNA fragments (tRFs) derived from the 5' end of tRNA has not been investigated in depth. We present evidence that conserved residues in tRNA, present in all 5' tRFs, can inhibit the process of protein translation without the need for complementary target sites in the mRNA. These results implicate 5' tRFs in a new mechanism of gene regulation by small RNAs in human cells.

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