[Role of mutations and recombinations in the epidemiology of influenza].
Identifieur interne : 000748 ( Main/Exploration ); précédent : 000747; suivant : 000749[Role of mutations and recombinations in the epidemiology of influenza].
Auteurs : C. HannounSource :
- Archives de l'Institut Pasteur de Tunis [ 0020-2509 ]
Descripteurs français
- KwdFr :
- MESH :
- génétique : Orthomyxoviridae, Virus de la grippe A.
- microbiologie : Grippe humaine.
- épidémiologie : Grippe humaine.
- France, Humains, Mutation, Recombinaison génétique.
- Wicri :
- geographic : France.
English descriptors
- KwdEn :
- MESH :
- geographic : France.
- epidemiology : Influenza, Human.
- genetics : Influenza A virus, Orthomyxoviridae.
- microbiology : Influenza, Human.
- Humans, Mutation, Recombination, Genetic.
Abstract
Influenza virus demonstrates several levels of antigenic variations, drifts and shifts, which help it to escape to herd immunity pressures. Recent examples show the importance of such variations in the succession and continuity of epidemiological manifestations. During the last few years, simultaneous circulation of several subtypes of influenza A was observed while in the past, one subtype was replacing the other. Thus in 1981, for the only subtype H3N2, A/Texas, A/Bangkok and A/intermediate Texas-Bangkok viruses were isolated in France at the same time in several foci. Furthermore, double infection with different subtypes in the same individual have been documented in man as well as in animals (birds). Related strains have also been isolated simultaneously in the same individual and cloning by plaque analysis makes it possible to evaluate easily this possibility in wild strains. The unexpected frequency of double infections or of variations of virus in feral animals or humans increases the possibility of genetic reassortments and participates for an important part to global variability of the virus.
PubMed: 7316613
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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Hannoun</name></author></analytic><series><title level="j">Archives de l'Institut Pasteur de Tunis</title><idno type="ISSN">0020-2509</idno></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>France (MeSH)</term><term>Humans (MeSH)</term><term>Influenza A virus (genetics)</term><term>Influenza, Human (epidemiology)</term><term>Influenza, Human (microbiology)</term><term>Mutation (MeSH)</term><term>Orthomyxoviridae (genetics)</term><term>Recombination, Genetic (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>France (MeSH)</term><term>Grippe humaine (microbiologie)</term><term>Grippe humaine (épidémiologie)</term><term>Humains (MeSH)</term><term>Mutation (MeSH)</term><term>Orthomyxoviridae (génétique)</term><term>Recombinaison génétique (MeSH)</term><term>Virus de la grippe A (génétique)</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>France</term></keywords><keywords scheme="MESH" qualifier="epidemiology" xml:lang="en"><term>Influenza, Human</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Influenza A virus</term><term>Orthomyxoviridae</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Orthomyxoviridae</term><term>Virus de la grippe A</term></keywords><keywords scheme="MESH" qualifier="microbiologie" xml:lang="fr"><term>Grippe humaine</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Influenza, Human</term></keywords><keywords scheme="MESH" qualifier="épidémiologie" xml:lang="fr"><term>Grippe humaine</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Humans</term><term>Mutation</term><term>Recombination, Genetic</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>France</term><term>Humains</term><term>Mutation</term><term>Recombinaison génétique</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>France</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Influenza virus demonstrates several levels of antigenic variations, drifts and shifts, which help it to escape to herd immunity pressures. Recent examples show the importance of such variations in the succession and continuity of epidemiological manifestations. During the last few years, simultaneous circulation of several subtypes of influenza A was observed while in the past, one subtype was replacing the other. Thus in 1981, for the only subtype H3N2, A/Texas, A/Bangkok and A/intermediate Texas-Bangkok viruses were isolated in France at the same time in several foci. Furthermore, double infection with different subtypes in the same individual have been documented in man as well as in animals (birds). Related strains have also been isolated simultaneously in the same individual and cloning by plaque analysis makes it possible to evaluate easily this possibility in wild strains. The unexpected frequency of double infections or of variations of virus in feral animals or humans increases the possibility of genetic reassortments and participates for an important part to global variability of the virus.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">7316613</PMID><DateCompleted><Year>1982</Year><Month>02</Month><Day>12</Day></DateCompleted><DateRevised><Year>2006</Year><Month>11</Month><Day>15</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0020-2509</ISSN><JournalIssue CitedMedium="Print"><Volume>58</Volume><Issue>3</Issue><PubDate><MedlineDate>1981 Sep-Dec</MedlineDate></PubDate></JournalIssue><Title>Archives de l'Institut Pasteur de Tunis</Title><ISOAbbreviation>Arch Inst Pasteur Tunis</ISOAbbreviation></Journal><ArticleTitle>[Role of mutations and recombinations in the epidemiology of influenza].</ArticleTitle><Pagination><MedlinePgn>375-85</MedlinePgn></Pagination><Abstract><AbstractText>Influenza virus demonstrates several levels of antigenic variations, drifts and shifts, which help it to escape to herd immunity pressures. Recent examples show the importance of such variations in the succession and continuity of epidemiological manifestations. During the last few years, simultaneous circulation of several subtypes of influenza A was observed while in the past, one subtype was replacing the other. Thus in 1981, for the only subtype H3N2, A/Texas, A/Bangkok and A/intermediate Texas-Bangkok viruses were isolated in France at the same time in several foci. Furthermore, double infection with different subtypes in the same individual have been documented in man as well as in animals (birds). Related strains have also been isolated simultaneously in the same individual and cloning by plaque analysis makes it possible to evaluate easily this possibility in wild strains. The unexpected frequency of double infections or of variations of virus in feral animals or humans increases the possibility of genetic reassortments and participates for an important part to global variability of the virus.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Hannoun</LastName><ForeName>C</ForeName><Initials>C</Initials></Author></AuthorList><Language>fre</Language><PublicationTypeList><PublicationType UI="D004740">English Abstract</PublicationType><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><VernacularTitle>Role des mutations et des recombinaisons dans l'épidémiologie de la grippe.</VernacularTitle></Article><MedlineJournalInfo><Country>Tunisia</Country><MedlineTA>Arch Inst Pasteur Tunis</MedlineTA><NlmUniqueID>7502527</NlmUniqueID><ISSNLinking>0020-2509</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D005602" MajorTopicYN="N" Type="Geographic">France</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009980" MajorTopicYN="N">Influenza A virus</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D007251" MajorTopicYN="N">Influenza, Human</DescriptorName><QualifierName UI="Q000453" MajorTopicYN="N">epidemiology</QualifierName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D009154" MajorTopicYN="Y">Mutation</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009975" MajorTopicYN="N">Orthomyxoviridae</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D011995" MajorTopicYN="Y">Recombination, Genetic</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>1981</Year><Month>9</Month><Day>1</Day></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>1981</Year><Month>9</Month><Day>1</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>1981</Year><Month>9</Month><Day>1</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">7316613</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list></list><tree><noCountry><name sortKey="Hannoun, C" sort="Hannoun, C" uniqKey="Hannoun C" first="C" last="Hannoun">C. 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