Host range recombinants of fowl plague (influenza A) virus
Identifieur interne : 002994 ( Main/Exploration ); précédent : 002993; suivant : 002995Host range recombinants of fowl plague (influenza A) virus
Auteurs : C. Scholtissek [Allemagne] ; I. Koennecke [Allemagne] ; R. Rott [Allemagne]Source :
- Virology [ 0042-6822 ] ; 1978.
English descriptors
- Teeft :
- Academic press, Chick, Chick embryo cells, Cytoplasmic extracts, Double infection, Embryo, Equi, Form plaques, Fowl, Fowl plague, Fowl plague virus, Gene coding, Gene constellation, Hemagglutinin, Hong kong, Hong kong strain, Host range, Host range recombinants, Influenza, Influenza virus, Influenza viruses, Mdbk cells, Mdck, Mdck cells, Mutant, Neuraminidase, Original host range, Pathogenic properties, Pathogenicity, Plaque, Plaque formation, Polymerase, Polymerase activity, Recombinant, Recombination, Rott, Scholtissek, Second recombination, Severe illness, Single gene, Viral, Virology.
Abstract
Abstract: Recombinants between the influenza virus strains fowl plague virus (FPV, Hav1N1) and Hong Kong (H3N2) have been isolated which form plaques on MDCK cells but not on chick embryo cells, although they carry the hemagglutinin of FPV. These host range recombinants have been characterized and one of them has been used for a second recombination with virus N (Hav2Neq1) or equi 2 (Heq2Neq2) on chick embryo cells. In this way, recombinants were obtained with a mixed genome which have regained the natural host range of FPV and some pathogenic properties for chicken. The results are discussed as a possible mechanism for a pandemic influenza strain to survive in an animal reservoir by changing its host range by recombination, and to regain the original host range by a second recombination but always keeping the same hemagglutinin.
Url:
DOI: 10.1016/0042-6822(78)90356-2
Affiliations:
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- to stream Main, to step Curation: 002994
Le document en format XML
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<term>Double infection</term>
<term>Embryo</term>
<term>Equi</term>
<term>Form plaques</term>
<term>Fowl</term>
<term>Fowl plague</term>
<term>Fowl plague virus</term>
<term>Gene coding</term>
<term>Gene constellation</term>
<term>Hemagglutinin</term>
<term>Hong kong</term>
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<term>Host range recombinants</term>
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<term>Influenza viruses</term>
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<term>Pathogenic properties</term>
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<term>Scholtissek</term>
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<front><div type="abstract" xml:lang="en">Abstract: Recombinants between the influenza virus strains fowl plague virus (FPV, Hav1N1) and Hong Kong (H3N2) have been isolated which form plaques on MDCK cells but not on chick embryo cells, although they carry the hemagglutinin of FPV. These host range recombinants have been characterized and one of them has been used for a second recombination with virus N (Hav2Neq1) or equi 2 (Heq2Neq2) on chick embryo cells. In this way, recombinants were obtained with a mixed genome which have regained the natural host range of FPV and some pathogenic properties for chicken. The results are discussed as a possible mechanism for a pandemic influenza strain to survive in an animal reservoir by changing its host range by recombination, and to regain the original host range by a second recombination but always keeping the same hemagglutinin.</div>
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