SrasV1, PubMed, Checkpoint, bibRecord, 002261

Close relationship between SARS-coronavirus and group 2 coronavirus.

Identifieur interne : 002261 ( PubMed/Checkpoint ); précédent : 002260; suivant : 002262

Close relationship between SARS-coronavirus and group 2 coronavirus.

Auteurs : Ok Ju Kim [Corée du Sud] ; Dong Hun Lee ; Chan Hee Lee

Source :

Journal of microbiology (Seoul, Korea) [ 1225-8873 ] ; 2006.

RBID : pubmed:16554722

Descripteurs français

KwdFr :
- Coronavirus (), Coronavirus (génétique), Génome viral, Génomique, Humains, Phylogénie, Protéines virales (), Protéines virales (génétique), Structure secondaire des protéines, Virus du SRAS (), Virus du SRAS (génétique), Évolution moléculaire.
MESH :
- génétique : Coronavirus, Protéines virales, Virus du SRAS.
- Coronavirus, Génome viral, Génomique, Humains, Phylogénie, Protéines virales, Structure secondaire des protéines, Virus du SRAS, Évolution moléculaire.

English descriptors

KwdEn :
- Coronavirus (classification), Coronavirus (genetics), Evolution, Molecular, Genome, Viral, Genomics, Humans, Phylogeny, Protein Structure, Secondary, SARS Virus (classification), SARS Virus (genetics), Viral Proteins (chemistry), Viral Proteins (genetics).
MESH :
- chemical , chemistry : Viral Proteins.
- classification : Coronavirus, SARS Virus.
- genetics : Coronavirus, SARS Virus, Viral Proteins.
- Evolution, Molecular, Genome, Viral, Genomics, Humans, Phylogeny, Protein Structure, Secondary.

Abstract

The sudden appearance and potential lethality of severe acute respiratory syndrome (SARS)-associated coronavirus (SARS-CoV) in humans has resulted in a focusing of new attention on the determination of both its origins and evolution. The relationship existing between SARS-CoV and other groups of coronaviruses was determined via analyses of phylogenetic trees and comparative genomic analyses of the coronavirus genes: polymerase (Orf1ab), spike (S), envelope (E), membrane (M) and nucleocapsid (N). Although the coronaviruses are traditionally classed into 3 groups, with SARS-CoV forming a 4th group, the phylogenetic position and origins of SARS-CoV remain a matter of some controversy. Thus, we conducted extensive phylogenetic analyses of the genes common to all coronavirus groups, using the Neighbor-joining, Maximum-likelihood, and Bayesian methods. Our data evidenced largely identical topology for all of the obtained phylogenetic trees, thus supporting the hypothesis that the relationship existing between SARS-CoV and group 2 coronavirus is a monophyletic one. Additional comparative genomic studies, including sequence similarity and protein secondary structure analyses, suggested that SARS-CoV may bear a closer relationship with group 2 than with the other coronavirus groups. Although our data strongly suggest that group 2 coronaviruses are most closely related with SARS-CoV, further and more detailed analyses may provide us with an increased amount of information regarding the origins and evolution of the coronaviruses, most notably SARS-CoV.

PubMed: 16554722

Affiliations:

Corée du Sud

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Le document en format XML

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<affiliation wicri:level="1"><nlm:affiliation>Division of Life Sciences and Research Institute for Biotechnology, Chungbuk National University, Cheongju, Chungbuk 361-763, Republic of Korea.</nlm:affiliation>
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<author><name sortKey="Lee, Dong Hun" sort="Lee, Dong Hun" uniqKey="Lee D" first="Dong Hun" last="Lee">Dong Hun Lee</name>
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<front><div type="abstract" xml:lang="en">The sudden appearance and potential lethality of severe acute respiratory syndrome (SARS)-associated coronavirus (SARS-CoV) in humans has resulted in a focusing of new attention on the determination of both its origins and evolution. The relationship existing between SARS-CoV and other groups of coronaviruses was determined via analyses of phylogenetic trees and comparative genomic analyses of the coronavirus genes: polymerase (Orf1ab), spike (S), envelope (E), membrane (M) and nucleocapsid (N). Although the coronaviruses are traditionally classed into 3 groups, with SARS-CoV forming a 4th group, the phylogenetic position and origins of SARS-CoV remain a matter of some controversy. Thus, we conducted extensive phylogenetic analyses of the genes common to all coronavirus groups, using the Neighbor-joining, Maximum-likelihood, and Bayesian methods. Our data evidenced largely identical topology for all of the obtained phylogenetic trees, thus supporting the hypothesis that the relationship existing between SARS-CoV and group 2 coronavirus is a monophyletic one. Additional comparative genomic studies, including sequence similarity and protein secondary structure analyses, suggested that SARS-CoV may bear a closer relationship with group 2 than with the other coronavirus groups. Although our data strongly suggest that group 2 coronaviruses are most closely related with SARS-CoV, further and more detailed analyses may provide us with an increased amount of information regarding the origins and evolution of the coronaviruses, most notably SARS-CoV.</div>
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<Abstract><AbstractText>The sudden appearance and potential lethality of severe acute respiratory syndrome (SARS)-associated coronavirus (SARS-CoV) in humans has resulted in a focusing of new attention on the determination of both its origins and evolution. The relationship existing between SARS-CoV and other groups of coronaviruses was determined via analyses of phylogenetic trees and comparative genomic analyses of the coronavirus genes: polymerase (Orf1ab), spike (S), envelope (E), membrane (M) and nucleocapsid (N). Although the coronaviruses are traditionally classed into 3 groups, with SARS-CoV forming a 4th group, the phylogenetic position and origins of SARS-CoV remain a matter of some controversy. Thus, we conducted extensive phylogenetic analyses of the genes common to all coronavirus groups, using the Neighbor-joining, Maximum-likelihood, and Bayesian methods. Our data evidenced largely identical topology for all of the obtained phylogenetic trees, thus supporting the hypothesis that the relationship existing between SARS-CoV and group 2 coronavirus is a monophyletic one. Additional comparative genomic studies, including sequence similarity and protein secondary structure analyses, suggested that SARS-CoV may bear a closer relationship with group 2 than with the other coronavirus groups. Although our data strongly suggest that group 2 coronaviruses are most closely related with SARS-CoV, further and more detailed analyses may provide us with an increased amount of information regarding the origins and evolution of the coronaviruses, most notably SARS-CoV.</AbstractText>
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Close relationship between SARS-coronavirus and group 2 coronavirus.

Close relationship between SARS-coronavirus and group 2 coronavirus.

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

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Pour générer des pages wiki