Reverse genetics with a full-length infectious cDNA of severe acute respiratory syndrome coronavirus.
Identifieur interne : 005E89 ( Main/Exploration ); précédent : 005E88; suivant : 005E90Reverse genetics with a full-length infectious cDNA of severe acute respiratory syndrome coronavirus.
Auteurs : Boyd Yount [États-Unis] ; Kristopher M. Curtis ; Elizabeth A. Fritz ; Lisa E. Hensley ; Peter B. Jahrling ; Erik Prentice ; Mark R. Denison ; Thomas W. Geisbert ; Ralph S. BaricSource :
- Proceedings of the National Academy of Sciences of the United States of America [ 0027-8424 ] ; 2003.
Descripteurs français
- KwdFr :
- ADN complémentaire (génétique), Animaux, Cadres ouverts de lecture, Cellules Vero, Clonage moléculaire, Humains, Marqueurs génétiques, Syndrome respiratoire aigu sévère (virologie), Séquence consensus, Séquence nucléotidique, Techniques génétiques, Transcription génétique, Virus du SRAS (génétique), Virus du SRAS (pathogénicité).
- MESH :
- génétique : ADN complémentaire, Virus du SRAS.
- pathogénicité : Virus du SRAS.
- virologie : Syndrome respiratoire aigu sévère.
- Animaux, Cadres ouverts de lecture, Cellules Vero, Clonage moléculaire, Humains, Marqueurs génétiques, Séquence consensus, Séquence nucléotidique, Techniques génétiques, Transcription génétique.
English descriptors
- KwdEn :
- Animals, Base Sequence, Chlorocebus aethiops, Cloning, Molecular, Consensus Sequence, DNA, Complementary (genetics), Genetic Markers, Genetic Techniques, Humans, Open Reading Frames, SARS Virus (genetics), SARS Virus (pathogenicity), Severe Acute Respiratory Syndrome (virology), Transcription, Genetic, Vero Cells.
- MESH :
- chemical , genetics : DNA, Complementary.
- genetics : SARS Virus.
- pathogenicity : SARS Virus.
- virology : Severe Acute Respiratory Syndrome.
- Animals, Base Sequence, Chlorocebus aethiops, Cloning, Molecular, Consensus Sequence, Genetic Markers, Genetic Techniques, Humans, Open Reading Frames, Transcription, Genetic, Vero Cells.
Abstract
A previously undescribed coronavirus (CoV) is the etiologic agent responsible for severe acute respiratory syndrome (SARS). Using a panel of contiguous cDNAs that span the entire genome, we have assembled a full-length cDNA of the SARS-CoV Urbani strain, and have rescued molecularly cloned SARS viruses (infectious clone SARS-CoV) that contained the expected marker mutations inserted into the component clones. Recombinant viruses replicated as efficiently as WT virus and both were inhibited by treatment with the cysteine proteinase inhibitor (2S,3S)-transepoxysuccinyl-L-leucylamido-3-methylbutane ethyl ester. In addition, subgenomic transcripts were initiated from the consensus sequence ACGAAC in both the WT and infectious clone SARS-CoV. Availability of a SARS-CoV full-length cDNA provides a template for manipulation of the viral genome, allowing for the rapid and rational development and testing of candidate vaccines and therapeutics against this important human pathogen.
DOI: 10.1073/pnas.1735582100
PubMed: 14569023
Affiliations:
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Le document en format XML
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<term>Base Sequence</term>
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<term>Cloning, Molecular</term>
<term>Consensus Sequence</term>
<term>DNA, Complementary (genetics)</term>
<term>Genetic Markers</term>
<term>Genetic Techniques</term>
<term>Humans</term>
<term>Open Reading Frames</term>
<term>SARS Virus (genetics)</term>
<term>SARS Virus (pathogenicity)</term>
<term>Severe Acute Respiratory Syndrome (virology)</term>
<term>Transcription, Genetic</term>
<term>Vero Cells</term>
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<term>Animaux</term>
<term>Cadres ouverts de lecture</term>
<term>Cellules Vero</term>
<term>Clonage moléculaire</term>
<term>Humains</term>
<term>Marqueurs génétiques</term>
<term>Syndrome respiratoire aigu sévère (virologie)</term>
<term>Séquence consensus</term>
<term>Séquence nucléotidique</term>
<term>Techniques génétiques</term>
<term>Transcription génétique</term>
<term>Virus du SRAS (génétique)</term>
<term>Virus du SRAS (pathogénicité)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en"><term>DNA, Complementary</term>
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<keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>SARS Virus</term>
</keywords>
<keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>ADN complémentaire</term>
<term>Virus du SRAS</term>
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<term>Chlorocebus aethiops</term>
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<term>Consensus Sequence</term>
<term>Genetic Markers</term>
<term>Genetic Techniques</term>
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<term>Open Reading Frames</term>
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<term>Humains</term>
<term>Marqueurs génétiques</term>
<term>Séquence consensus</term>
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<front><div type="abstract" xml:lang="en">A previously undescribed coronavirus (CoV) is the etiologic agent responsible for severe acute respiratory syndrome (SARS). Using a panel of contiguous cDNAs that span the entire genome, we have assembled a full-length cDNA of the SARS-CoV Urbani strain, and have rescued molecularly cloned SARS viruses (infectious clone SARS-CoV) that contained the expected marker mutations inserted into the component clones. Recombinant viruses replicated as efficiently as WT virus and both were inhibited by treatment with the cysteine proteinase inhibitor (2S,3S)-transepoxysuccinyl-L-leucylamido-3-methylbutane ethyl ester. In addition, subgenomic transcripts were initiated from the consensus sequence ACGAAC in both the WT and infectious clone SARS-CoV. Availability of a SARS-CoV full-length cDNA provides a template for manipulation of the viral genome, allowing for the rapid and rational development and testing of candidate vaccines and therapeutics against this important human pathogen.</div>
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<name sortKey="Denison, Mark R" sort="Denison, Mark R" uniqKey="Denison M" first="Mark R" last="Denison">Mark R. Denison</name>
<name sortKey="Fritz, Elizabeth A" sort="Fritz, Elizabeth A" uniqKey="Fritz E" first="Elizabeth A" last="Fritz">Elizabeth A. Fritz</name>
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<name sortKey="Hensley, Lisa E" sort="Hensley, Lisa E" uniqKey="Hensley L" first="Lisa E" last="Hensley">Lisa E. Hensley</name>
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<country name="États-Unis"><region name="Caroline du Nord"><name sortKey="Yount, Boyd" sort="Yount, Boyd" uniqKey="Yount B" first="Boyd" last="Yount">Boyd Yount</name>
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