Development of a molecular-beacon-based multi-allelic real-time RT-PCR assay for the detection of human coronavirus causing severe acute respiratory syndrome (SARS-CoV): a general methodology for detecting rapidly mutating viruses
Identifieur interne : 000877 ( PascalFrancis/Curation ); précédent : 000876; suivant : 000878Development of a molecular-beacon-based multi-allelic real-time RT-PCR assay for the detection of human coronavirus causing severe acute respiratory syndrome (SARS-CoV): a general methodology for detecting rapidly mutating viruses
Auteurs : Andreas V. Hadjinicolaou [Chypre (pays)] ; Gabriella A. Farcas [Canada] ; Victoria L. Demetriou [Chypre (pays)] ; Tony Mazzulli [Canada] ; Susan M. Poutanen [Canada] ; Barbara M. Willey [Canada] ; Donald E. Low [Canada] ; Jagdish Butany [Canada] ; Sylvia L. Asa [Canada] ; Kevin C. Kain [Canada] ; Leondios G. Kostrikis [Chypre (pays)]Source :
- Archives of virology [ 0304-8608 ] ; 2011.
Descripteurs français
- Pascal (Inist)
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- topic : Homme.
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Abstract
Emerging infectious diseases have caused a global effort for development of fast and accurate detection techniques. The rapidly mutating nature of viruses presents a major difficulty, highlighting the need for specific detection of genetically diverse strains. One such infectious agent is SARS-associated coronavirus (SARS-CoV), which emerged in 2003. This study aimed to develop a real-time RT-PCR detection assay specific for SARS-CoV, taking into account its intrinsic polymorphic nature due to genetic drift and recombination and the possibility of continuous and multiple introductions of genetically non-identical strains into the human population, by using mismatch-tolerant molecular beacons designed to specifically detect the SARS-CoV S, E, M and N genes. These were applied in simple, reproducible duplex and multiplex real-time PCR assays on 25 post-mortem samples and constructed RNA controls, and they demonstrated high target detection ability and specificity. This assay can readily be adapted for detection of other emerging and rapidly mutating pathogens.
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Development of a molecular-beacon-based multi-allelic real-time RT-PCR assay for the detection of human coronavirus causing severe acute respiratory syndrome (SARS-CoV): a general methodology for detecting rapidly mutating viruses</title>
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<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>University of Toronto</s1>
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<author><name sortKey="Kostrikis, Leondios G" sort="Kostrikis, Leondios G" uniqKey="Kostrikis L" first="Leondios G." last="Kostrikis">Leondios G. Kostrikis</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Laboratory of Biotechnology and Molecular Virology, Department of Biological Sciences, University of Cyprus, 75 Kallipoleos Avenue, PO Box 20537</s1>
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<series><title level="j" type="main">Archives of virology</title>
<title level="j" type="abbreviated">Arch. virol.</title>
<idno type="ISSN">0304-8608</idno>
<imprint><date when="2011">2011</date>
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<seriesStmt><title level="j" type="main">Archives of virology</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Coronavirus</term>
<term>Detection</term>
<term>Human</term>
<term>Real time</term>
<term>Reverse transcription polymerase chain reaction</term>
<term>Severe acute respiratory syndrome</term>
<term>Severe acute respiratory syndrome virus</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Homme</term>
<term>Coronavirus</term>
<term>Virus syndrome respiratoire aigu sévère</term>
<term>Temps réel</term>
<term>Réaction chaîne polymérase RT</term>
<term>Détection</term>
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<front><div type="abstract" xml:lang="en">Emerging infectious diseases have caused a global effort for development of fast and accurate detection techniques. The rapidly mutating nature of viruses presents a major difficulty, highlighting the need for specific detection of genetically diverse strains. One such infectious agent is SARS-associated coronavirus (SARS-CoV), which emerged in 2003. This study aimed to develop a real-time RT-PCR detection assay specific for SARS-CoV, taking into account its intrinsic polymorphic nature due to genetic drift and recombination and the possibility of continuous and multiple introductions of genetically non-identical strains into the human population, by using mismatch-tolerant molecular beacons designed to specifically detect the SARS-CoV S, E, M and N genes. These were applied in simple, reproducible duplex and multiplex real-time PCR assays on 25 post-mortem samples and constructed RNA controls, and they demonstrated high target detection ability and specificity. This assay can readily be adapted for detection of other emerging and rapidly mutating pathogens.</div>
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<fA03 i2="1"><s0>Arch. virol.</s0>
</fA03>
<fA05><s2>156</s2>
</fA05>
<fA06><s2>4</s2>
</fA06>
<fA08 i1="01" i2="1" l="ENG"><s1>Development of a molecular-beacon-based multi-allelic real-time RT-PCR assay for the detection of human coronavirus causing severe acute respiratory syndrome (SARS-CoV): a general methodology for detecting rapidly mutating viruses</s1>
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<fA11 i1="01" i2="1"><s1>HADJINICOLAOU (Andreas V.)</s1>
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<fA11 i1="02" i2="1"><s1>FARCAS (Gabriella A.)</s1>
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