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Full-genome evolutionary analysis of the novel corona virus (2019-nCoV) rejects the hypothesis of emergence as a result of a recent recombination event.

Identifieur interne : 000586 ( PubMed/Curation ); précédent : 000585; suivant : 000587

Full-genome evolutionary analysis of the novel corona virus (2019-nCoV) rejects the hypothesis of emergence as a result of a recent recombination event.

Auteurs : D. Paraskevis [Grèce] ; E G Kostaki [Grèce] ; G. Magiorkinis [Grèce] ; G. Panayiotakopoulos [Grèce] ; G. Sourvinos [Grèce] ; S. Tsiodras [Grèce]

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RBID : pubmed:32004758

Abstract

A novel coronavirus (2019-nCoV) associated with human to human transmission and severe human infection has been recently reported from the city of Wuhan in China. Our objectives were to characterize the genetic relationships of the 2019-nCoV and to search for putative recombination within the subgenus of sarbecovirus.

DOI: 10.1016/j.meegid.2020.104212
PubMed: 32004758

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pubmed:32004758

Le document en format XML

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<title level="j">Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases</title>
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<div type="abstract" xml:lang="en">A novel coronavirus (2019-nCoV) associated with human to human transmission and severe human infection has been recently reported from the city of Wuhan in China. Our objectives were to characterize the genetic relationships of the 2019-nCoV and to search for putative recombination within the subgenus of sarbecovirus.</div>
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<Year>2020</Year>
<Month>03</Month>
<Day>16</Day>
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<ISSN IssnType="Electronic">1567-7257</ISSN>
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<Volume>79</Volume>
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<Year>2020</Year>
<Month>04</Month>
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<Title>Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases</Title>
<ISOAbbreviation>Infect. Genet. Evol.</ISOAbbreviation>
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<ArticleTitle>Full-genome evolutionary analysis of the novel corona virus (2019-nCoV) rejects the hypothesis of emergence as a result of a recent recombination event.</ArticleTitle>
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<MedlinePgn>104212</MedlinePgn>
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<AbstractText Label="BACKGROUND">A novel coronavirus (2019-nCoV) associated with human to human transmission and severe human infection has been recently reported from the city of Wuhan in China. Our objectives were to characterize the genetic relationships of the 2019-nCoV and to search for putative recombination within the subgenus of sarbecovirus.</AbstractText>
<AbstractText Label="METHODS">Putative recombination was investigated by RDP4 and Simplot v3.5.1 and discordant phylogenetic clustering in individual genomic fragments was confirmed by phylogenetic analysis using maximum likelihood and Bayesian methods.</AbstractText>
<AbstractText Label="RESULTS">Our analysis suggests that the 2019-nCoV although closely related to BatCoV RaTG13 sequence throughout the genome (sequence similarity 96.3%), shows discordant clustering with the Bat_SARS-like coronavirus sequences. Specifically, in the 5'-part spanning the first 11,498 nucleotides and the last 3'-part spanning 24,341-30,696 positions, 2019-nCoV and RaTG13 formed a single cluster with Bat_SARS-like coronavirus sequences, whereas in the middle region spanning the 3'-end of ORF1a, the ORF1b and almost half of the spike regions, 2019-nCoV and RaTG13 grouped in a separate distant lineage within the sarbecovirus branch.</AbstractText>
<AbstractText Label="CONCLUSIONS">The levels of genetic similarity between the 2019-nCoV and RaTG13 suggest that the latter does not provide the exact variant that caused the outbreak in humans, but the hypothesis that 2019-nCoV has originated from bats is very likely. We show evidence that the novel coronavirus (2019-nCov) is not-mosaic consisting in almost half of its genome of a distinct lineage within the betacoronavirus. These genomic features and their potential association with virus characteristics and virulence in humans need further attention.</AbstractText>
<CopyrightInformation>Copyright © 2020 Elsevier B.V. All rights reserved.</CopyrightInformation>
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<Keyword MajorTopicYN="Y">Molecular epidemiology</Keyword>
<Keyword MajorTopicYN="Y">Novel coronavirus</Keyword>
<Keyword MajorTopicYN="Y">Origin</Keyword>
<Keyword MajorTopicYN="Y">Phylogenetic analysis</Keyword>
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<CoiStatement>Declaration of Competing Interest All authors report no conflict of interest related to the submitted work.</CoiStatement>
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