Correlation of polymerase replication fidelity with genetic evolution of influenza A/Fujian/411/02(H3N2) viruses
Identifieur interne : 000D46 ( Main/Exploration ); précédent : 000D45; suivant : 000D47Correlation of polymerase replication fidelity with genetic evolution of influenza A/Fujian/411/02(H3N2) viruses
Auteurs : Karen Ka Yin Wong [Australie] ; Rowena A. Bull [Australie] ; Steve Rockman [Australie] ; Gillian Scott [Australie] ; Sacha Stelzer-Braid [Australie] ; William Rawlinson [Australie]Source :
- Journal of Medical Virology [ 0146-6615 ] ; 2011-03.
English descriptors
- Teeft :
- Acid change, Amino, Amino acid, Amino acid change, Amino acid changes, Amino acid difference, Amino acid variation, Amino acids, Antigenic, Antigenic drift, Antigenic evolution, Assay, Biotechnology information, Castle hill, Cell death, Clin microbiol, Delity, Drift variants, Evolutionary pressure, Fujian, Fujian drift variants, Fujian strain, Fujian strains, Fujian variants, Full length, Genetic, Genetic analysis, Genetic distance, Genetic evolution, Gradual decrease, Human population, Human viruses, Influenza viruses, Invitrogen, Major subunit, Mdck cells, Mutation, Mutation frequencies, Mutation frequency, Mutation rates, National centre, Ncbi database, Nucleotide, Nucleotide position, Nucleotide substitutions, Original reassortant viruses, Other viruses, Palese, Parent plaque, Parent plaques, Plaque, Plaque assay, Point mutations, Polymerase, Population level, Positive selection, Present study, Previous studies, Proc natl acad, Progeny, Progeny plaques, Reassortant, Reassortant strains, Reassortant virus, Reassortant viruses, Replication, Replication fidelity, Ribose binding pocket, Second order, Second order polynomial, Susceptible hosts, Total number, Variant, Viral, Viral replication, Virol, Virology, Virus, Virus evolution, Virus polymerase, Wales hospital.
Abstract
Influenza virus evolves continuously through mutations presumed to result from evolutionary pressure driving viral replication. This study examined the relationship between the genetic evolution and replication fidelity of influenza viruses. Analysis of influenza sequences from National Centre for Biotechnology Information (NCBI) database revealed a gradual decrease in the rate of genetic evolution of A/Fujian/411/02(H3N2)‐like variants after the emergence and predominance of the A/H3N2 Fujian strain in 2002. This decrease may be related to an increase in replication fidelity, which was investigated by assessing mutation frequencies of reassortant viruses carrying the PB1 segment of Fujian variants isolated between 2003 and 2005 in a sequencing‐based plaque assay. The data revealed a threefold decrease in substitution per site of the reassortant viruses carrying the Fujian PB1 segments isolated in 2004–2005 compared with those circulating in 2003. The decrease in mutation frequency paralleled a decrease in genetic evolution of the Fujian variants from the NCBI database. This correlation implicates changes in the polymerase replication fidelity as contributing to altered genetic evolution of influenza viruses. J. Med. Virol. 83:510–516, 2011. © 2011 Wiley‐Liss, Inc.
Url:
DOI: 10.1002/jmv.21991
Affiliations:
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This study examined the relationship between the genetic evolution and replication fidelity of influenza viruses. Analysis of influenza sequences from National Centre for Biotechnology Information (NCBI) database revealed a gradual decrease in the rate of genetic evolution of A/Fujian/411/02(H3N2)‐like variants after the emergence and predominance of the A/H3N2 Fujian strain in 2002. This decrease may be related to an increase in replication fidelity, which was investigated by assessing mutation frequencies of reassortant viruses carrying the PB1 segment of Fujian variants isolated between 2003 and 2005 in a sequencing‐based plaque assay. The data revealed a threefold decrease in substitution per site of the reassortant viruses carrying the Fujian PB1 segments isolated in 2004–2005 compared with those circulating in 2003. The decrease in mutation frequency paralleled a decrease in genetic evolution of the Fujian variants from the NCBI database. This correlation implicates changes in the polymerase replication fidelity as contributing to altered genetic evolution of influenza viruses. J. Med. Virol. 83:510–516, 2011. © 2011 Wiley‐Liss, Inc.</div></front></TEI><affiliations><list><country><li>Australie</li></country><region><li>Nouvelle-Galles du Sud</li></region><settlement><li>Sydney</li></settlement></list><tree><country name="Australie"><region name="Nouvelle-Galles du Sud"><name sortKey="Wong, Karen Ka Yin" sort="Wong, Karen Ka Yin" uniqKey="Wong K" first="Karen Ka Yin" last="Wong">Karen Ka Yin Wong</name></region><name sortKey="Bull, Rowena A" sort="Bull, Rowena A" uniqKey="Bull R" first="Rowena A." last="Bull">Rowena A. Bull</name><name sortKey="Rawlinson, William" sort="Rawlinson, William" uniqKey="Rawlinson W" first="William" last="Rawlinson">William Rawlinson</name><name sortKey="Rawlinson, William" sort="Rawlinson, William" uniqKey="Rawlinson W" first="William" last="Rawlinson">William Rawlinson</name><name sortKey="Rawlinson, William" sort="Rawlinson, William" uniqKey="Rawlinson W" first="William" last="Rawlinson">William Rawlinson</name><name sortKey="Rawlinson, William" sort="Rawlinson, William" uniqKey="Rawlinson W" first="William" last="Rawlinson">William Rawlinson</name><name sortKey="Rockman, Steve" sort="Rockman, Steve" uniqKey="Rockman S" first="Steve" last="Rockman">Steve Rockman</name><name sortKey="Scott, Gillian" sort="Scott, Gillian" uniqKey="Scott G" first="Gillian" last="Scott">Gillian Scott</name><name sortKey="Scott, Gillian" sort="Scott, Gillian" uniqKey="Scott G" first="Gillian" last="Scott">Gillian Scott</name><name sortKey="Stelzer Raid, Sacha" sort="Stelzer Raid, Sacha" uniqKey="Stelzer Raid S" first="Sacha" last="Stelzer-Braid">Sacha Stelzer-Braid</name><name sortKey="Stelzer Raid, Sacha" sort="Stelzer Raid, Sacha" uniqKey="Stelzer Raid S" first="Sacha" last="Stelzer-Braid">Sacha Stelzer-Braid</name><name sortKey="Wong, Karen Ka Yin" sort="Wong, Karen Ka Yin" uniqKey="Wong K" first="Karen Ka Yin" last="Wong">Karen Ka Yin Wong</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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