Evidence map›Paper›PMID 25270025›Full record

SynthesisBMC biology2014

Meta-analysis of tRNA derived RNA fragments reveals that they are evolutionarily conserved and associate with AGO proteins to recognize specific RNA targets.

Pankaj Kumar, Jordan Anaya, Suresh B Mudunuri, Anindya Dutta

Open access · goldAbstract readMeta-Analysis
In one paragraph

Synthesis in BMC biology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 428 papers.

0numbers the graph read from it
0cells of the map it votes in
428citing papers in PubMed
12.4field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

428 citing papers in PubMed, 678 citations in OpenAlex.

  1. Review
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  3. Flipons, Noncoding Transcripts and Retroelements: A Universal Host Defense.International journal of molecular sciences · 2026
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368 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors at 2 institutions in 1 country.

Pankaj Kumar
Jordan Anaya
Suresh B Mudunuri
Anindya DuttaDepartment of Biochemistry and Molecular Genetics, University of Virginia School of Medicine, Charlottesville 22901, VA, USA. ad8q@virginia.edu.
University of Virginia · USMartha Jefferson Hospital · US

Funding

VEGF, FAK and RAPP01CA104106 · NCI · UNIVERSITY OF VIRGINIA CHARLOTTESVILLE · PI PASCHAL, BRYCE, THEODORESCU, DAN · 2005 to 2015
$17.9M
TRAINING IN CELL AND MOLECULAR BIOLOGYT32GM008136 · NIGMS · UNIVERSITY OF VIRGINIA CHARLOTTESVILLE · PI STUKENBERG, P. TODD · 1985 to 2020
$8.5M
Regulation of TIP60 by the ubiquitin-proteasome pathwayR01GM084465 · NIGMS · UNIVERSITY OF VIRGINIA · PI DUTTA, ANINDYA · 2008 to 2017
$2.4M
NCI NIH HHS P01 CA104106NCI NIH HHS P01CA104106NIGMS NIH HHS R01 GM084465NIGMS NIH HHS R01GM84465
6 · The paper itself

Abstract

backgroundtRFs, 14 to 32 nt long single-stranded RNA derived from mature or precursor tRNAs, are a recently discovered class of small RNA that have been found to be present in diverse organisms at read counts comparable to miRNAs. Currently, there is a debate about their biogenesis and function.

resultsThis is the first meta-analysis of tRFs. Analysis of more than 50 short RNA libraries has revealed that tRFs are precisely generated fragments present in all domains of life (bacteria to humans), and are not produced by the miRNA biogenesis pathway. Human PAR-CLIP data shows a striking preference for tRF-5s and tRF-3s to associate with AGO1, 3 and 4 rather than AGO2, and analysis of positional T to C mutational frequency indicates these tRFs associate with Argonautes in a manner similar to miRNAs. The reverse complements of canonical seed positions in these sequences match cross-link centered regions, suggesting these tRF-5s and tRF-3s interact with RNAs in the cell. Consistent with these results, human AGO1 CLASH data contains thousands of tRF-5 and tRF-3 reads chimeric with mRNAs.

conclusionstRFs are an abundant class of small RNA present in all domains of life whose biogenesis is distinct from miRNAs. In human HEK293 cells tRFs associate with Argonautes 1, 3 and 4 and not Argonaute 2 which is the main effector protein of miRNA function, but otherwise have very similar properties to miRNAs, indicating tRFs may play a major role in RNA silencing.

Indexed as

Evolution, MolecularArgonaute ProteinsBacteriaEukaryotaGene LibraryRNA InterferenceRNA, TransferArgonaute ProteinsRNA, Transfer

Identifiers

PMID25270025
PMCPMC4203973
OpenAlexW2141384633

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.