Evidence map›Paper›PMID 24945141›Full record

ArticlePLoS pathogens2014

Recombination in enteroviruses is a biphasic replicative process involving the generation of greater-than genome length 'imprecise' intermediates.

Kym Lowry, Andrew Woodman, Jonathan Cook, David J Evans

Abstract read
In one paragraph

Article in PLoS pathogens, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 57 papers.

0numbers the graph read from it
0cells of the map it votes in
57citing papers in PubMed
–field-weighted citation impact
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

57 citing papers in PubMed.

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  19. Recombination in Positive-Strand RNA Viruses.Frontiers in microbiology · 2022
    Review
  20. Article
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.

Kym LowrySchool of Life Sciences, University of Warwick, Coventry, United Kingdom.
Andrew WoodmanSchool of Life Sciences, University of Warwick, Coventry, United Kingdom.
Jonathan CookSchool of Life Sciences, University of Warwick, Coventry, United Kingdom.
David J EvansSchool of Life Sciences, University of Warwick, Coventry, United Kingdom.

Funding

Biotechnology and Biological Sciences Research CouncilMedical Research Council G0401584Medical Research Council G1100139
6 · The paper itself

Abstract

Recombination in enteroviruses provides an evolutionary mechanism for acquiring extensive regions of novel sequence, is suggested to have a role in genotype diversity and is known to have been key to the emergence of novel neuropathogenic variants of poliovirus. Despite the importance of this evolutionary mechanism, the recombination process remains relatively poorly understood. We investigated heterologous recombination using a novel reverse genetic approach that resulted in the isolation of intermediate chimeric intertypic polioviruses bearing genomes with extensive duplicated sequences at the recombination junction. Serial passage of viruses exhibiting such imprecise junctions yielded progeny with increased fitness which had lost the duplicated sequences. Mutations or inhibitors that changed polymerase fidelity or the coalescence of replication complexes markedly altered the yield of recombinants (but did not influence non-replicative recombination) indicating both that the process is replicative and that it may be possible to enhance or reduce recombination-mediated viral evolution if required. We propose that extant recombinants result from a biphasic process in which an initial recombination event is followed by a process of resolution, deleting extraneous sequences and optimizing viral fitness. This process has implications for our wider understanding of 'evolution by duplication' in the positive-strand RNA viruses.

Indexed as

AnimalsBase SequenceCapsid ProteinsCell Line, TumorCricetinaeGenetic VariationGenome, ViralHeLa CellsHumansMiceMolecular Sequence DataNocodazolePoliovirusRecombination, GeneticRNA-Dependent RNA PolymeraseRNA, ViralCapsid ProteinsNocodazoleRNA-Dependent RNA PolymeraseRNA, ViralTubulin ModulatorsUntranslated Regions

Identifiers

PMID24945141
PMCPMC4055744

What OpenQuestion holds

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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.