Evidence map›Paper›PMID 24957604›Full record

ArticleNucleic acids research2014

Identification of RNA binding motifs in the R2 retrotransposon-encoded reverse transcriptase.

Varuni K Jamburuthugoda, Thomas H Eickbush

Open access · goldAbstract read
In one paragraph

Article in Nucleic acids research, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed
6.5field-weighted citation impact, top 4% 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

24 citing papers in PubMed, 35 citations in OpenAlex.

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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

2 authors at 1 institution in 1 country.

Varuni K JamburuthugodaDepartment of Biology, University of Rochester, Rochester, NY 14627, USA.
Thomas H EickbushDepartment of Biology, University of Rochester, Rochester, NY 14627, USA eick@mail.rochester.edu.
University of Rochester · US

Funding

NIGMS NIH HHS GM042790
6 · The paper itself

Abstract

R2 non-LTR retrotransposons insert at a specific site in the 28S rRNA genes of many animal phyla. R2 elements encode a single polypeptide with reverse transcriptase, endonuclease and nucleic acid binding domains. Integration involves separate cleavage of the two DNA strands at the target site and utilization of the released 3' ends to prime DNA synthesis. Critical to this integration is the ability of the protein to specifically bind 3' and 5' regions of the R2 RNA. In this report, alanine mutations in two conserved motifs N-terminal to the reverse transcriptase domain were generated and shown to result in proteins that retained the ability to cleave the first strand of the DNA target, to reverse transcribe RNA from an annealed primer and to displace annealed RNA when using DNA as a template. However, the mutant proteins had greatly reduced ability to bind 3' and 5' RNA in mobility shift assays, use the DNA target to prime reverse transcription and conduct second-strand DNA cleavage. These motifs thus appear to participate in all activities of the R2 protein known to require specific RNA binding. The similarity of these R2 RNA binding motifs to those of telomerase and group II introns is discussed.

Indexed as

RetroelementsReverse TranscriptionAmino Acid MotifsAmino Acid SequenceConserved SequenceDNADNA CleavageDNA PrimersInsect ProteinsMutationRNARNA-Directed DNA PolymeraseDNADNA PrimersInsect ProteinsR2 reverse transcriptase, Bombyx moriRetroelementsRNARNA-Directed DNA Polymerase

Identifiers

PMID24957604
PMCPMC4117753
OpenAlexW2120158801

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Registered trials

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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.