Molecular epidemiology of porcine H3N2 influenza A viruses isolated in Germany between 1982 and 2001.
Identifieur interne : 000527 ( Main/Corpus ); précédent : 000526; suivant : 000528Molecular epidemiology of porcine H3N2 influenza A viruses isolated in Germany between 1982 and 2001.
Auteurs : Christina Schrader ; Jochen SüssSource :
- Intervirology [ 0300-5526 ] ; 2004.
English descriptors
- KwdEn :
- Animals, Genes, Viral, Genetic Variation, Germany (epidemiology), Hemagglutinin Glycoproteins, Influenza Virus (genetics), Influenza A Virus, H3N2 Subtype, Influenza A virus (genetics), Influenza A virus (isolation & purification), Molecular Epidemiology, Neuraminidase (genetics), Orthomyxoviridae Infections (epidemiology), Orthomyxoviridae Infections (veterinary), Phylogeny, RNA, Viral (genetics), RNA, Viral (isolation & purification), Respiratory Tract Infections (epidemiology), Respiratory Tract Infections (veterinary), Respiratory Tract Infections (virology), Reverse Transcriptase Polymerase Chain Reaction, Sequence Analysis, DNA, Sequence Homology, Nucleic Acid, Swine, Swine Diseases (epidemiology), Swine Diseases (virology).
- MESH :
- chemical , genetics : Hemagglutinin Glycoproteins, Influenza Virus, Neuraminidase, RNA, Viral.
- geographic , epidemiology : Germany.
- epidemiology : Orthomyxoviridae Infections, Respiratory Tract Infections, Swine Diseases.
- genetics : Influenza A virus.
- isolation & purification : Influenza A virus, RNA, Viral.
- veterinary : Orthomyxoviridae Infections, Respiratory Tract Infections.
- virology : Respiratory Tract Infections, Swine Diseases.
- Animals, Genes, Viral, Genetic Variation, Influenza A Virus, H3N2 Subtype, Molecular Epidemiology, Phylogeny, Reverse Transcriptase Polymerase Chain Reaction, Sequence Analysis, DNA, Sequence Homology, Nucleic Acid, Swine.
Abstract
We examined influenza virus strains of the subtype H3N2 from outbreaks of respiratory diseases in swine herds in Germany. Four different clusters can be distinguished when comparing parts of the HA1 gene from porcine H3N2 isolates analyzed between 1982 and 2001. Comparison between these clusters reveals a bp homology of less than 90%. In contrast, the homology within the clusters is between 93.7 and 100%. Each of these clusters was confined to a specific time period. For the NA gene an additional cluster is formed by the porcine H1N2 isolate. The findings that different subtypes and drift variants are circulating in the German pig population explain the emergence of new influenza virus variants and the need for continued surveillance of swine.
DOI: 10.1159/000077829
PubMed: 15192270
Links to Exploration step
pubmed:15192270Le document en format XML
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Four different clusters can be distinguished when comparing parts of the HA1 gene from porcine H3N2 isolates analyzed between 1982 and 2001. Comparison between these clusters reveals a bp homology of less than 90%. In contrast, the homology within the clusters is between 93.7 and 100%. Each of these clusters was confined to a specific time period. For the NA gene an additional cluster is formed by the porcine H1N2 isolate. The findings that different subtypes and drift variants are circulating in the German pig population explain the emergence of new influenza virus variants and the need for continued surveillance of swine.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">15192270</PMID><DateCompleted><Year>2004</Year><Month>08</Month><Day>10</Day></DateCompleted><DateRevised><Year>2009</Year><Month>11</Month><Day>19</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0300-5526</ISSN><JournalIssue CitedMedium="Print"><Volume>47</Volume><Issue>2</Issue><PubDate><Year>2004</Year></PubDate></JournalIssue><Title>Intervirology</Title><ISOAbbreviation>Intervirology</ISOAbbreviation></Journal><ArticleTitle>Molecular epidemiology of porcine H3N2 influenza A viruses isolated in Germany between 1982 and 2001.</ArticleTitle><Pagination><MedlinePgn>72-7</MedlinePgn></Pagination><Abstract><AbstractText>We examined influenza virus strains of the subtype H3N2 from outbreaks of respiratory diseases in swine herds in Germany. Four different clusters can be distinguished when comparing parts of the HA1 gene from porcine H3N2 isolates analyzed between 1982 and 2001. Comparison between these clusters reveals a bp homology of less than 90%. In contrast, the homology within the clusters is between 93.7 and 100%. Each of these clusters was confined to a specific time period. For the NA gene an additional cluster is formed by the porcine H1N2 isolate. The findings that different subtypes and drift variants are circulating in the German pig population explain the emergence of new influenza virus variants and the need for continued surveillance of swine.</AbstractText><CopyrightInformation>Copyright 2004 S. Karger AG, Basel</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Schrader</LastName><ForeName>Christina</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>Federal Institute for Risk Assessment Berlin, Berlin, Germany. c.schrader@bfr.bund.de</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Süss</LastName><ForeName>Jochen</ForeName><Initials>J</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>Switzerland</Country><MedlineTA>Intervirology</MedlineTA><NlmUniqueID>0364265</NlmUniqueID><ISSNLinking>0300-5526</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D019267">Hemagglutinin Glycoproteins, Influenza Virus</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance 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