Is the sialic acid binding activity of the S protein involved in the enteropathogenicity of transmissible gastroenteritis virus?
Identifieur interne : 003C67 ( Ncbi/Merge ); précédent : 003C66; suivant : 003C68Is the sialic acid binding activity of the S protein involved in the enteropathogenicity of transmissible gastroenteritis virus?
Auteurs : C. Krempl [Allemagne] ; H. Laude ; G. HerrlerSource :
- Advances in experimental medicine and biology [ 0065-2598 ] ; 1998.
Descripteurs français
- KwdFr :
- Acide N-acétyl-neuraminique (métabolisme), Animaux, Gastroentérite (médecine vétérinaire), Gastroentérite (virologie), Glycoprotéine de spicule des coronavirus, Glycoprotéines membranaires (génétique), Glycoprotéines membranaires (métabolisme), Maladies des porcs (virologie), Protéines de l'enveloppe virale (génétique), Protéines de l'enveloppe virale (métabolisme), Suidae, Virus de la gastroentérite transmissible (métabolisme), Virus de la gastroentérite transmissible (pathogénicité).
- MESH :
- génétique : Glycoprotéines membranaires, Protéines de l'enveloppe virale.
- médecine vétérinaire : Gastroentérite.
- métabolisme : Acide N-acétyl-neuraminique, Glycoprotéines membranaires, Protéines de l'enveloppe virale, Virus de la gastroentérite transmissible.
- pathogénicité : Virus de la gastroentérite transmissible.
- virologie : Gastroentérite, Maladies des porcs.
- Animaux, Glycoprotéine de spicule des coronavirus, Suidae.
English descriptors
- KwdEn :
- Animals, Gastroenteritis (veterinary), Gastroenteritis (virology), Membrane Glycoproteins (genetics), Membrane Glycoproteins (metabolism), N-Acetylneuraminic Acid (metabolism), Spike Glycoprotein, Coronavirus, Swine, Swine Diseases (virology), Transmissible gastroenteritis virus (metabolism), Transmissible gastroenteritis virus (pathogenicity), Viral Envelope Proteins (genetics), Viral Envelope Proteins (metabolism).
- MESH :
- chemical , genetics : Membrane Glycoproteins, Viral Envelope Proteins.
- chemical , metabolism : Membrane Glycoproteins, N-Acetylneuraminic Acid, Viral Envelope Proteins.
- metabolism : Transmissible gastroenteritis virus.
- pathogenicity : Transmissible gastroenteritis virus.
- veterinary : Gastroenteritis.
- virology : Gastroenteritis, Swine Diseases.
- Animals, Spike Glycoprotein, Coronavirus, Swine.
Abstract
Transmissible gastroenteritis virus (TGEV) is able to recognize sialic acid on sialo-glycoconjugates. Analysis of mutants indicated that single point mutations in the S protein (around amino acids 145-155) of TGEV may result both in the loss of the sialic acid binding activity and in a drastic reduction of the enteropathogenicity. From this observation we conclude that the sialic acid binding activity is involved in the enteropathogenicity of TGEV. On the basis of our recent results we propose that binding of sialylated macromolecules to the virions surface may increase virus stability. This in turn would explain how TGEV as an enveloped virus can survive the gastrointestinal passage and cause intestinal infections.
DOI: 10.1007/978-1-4615-5331-1_72
PubMed: 9782329
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pubmed:9782329Le document en format XML
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Analysis of mutants indicated that single point mutations in the S protein (around amino acids 145-155) of TGEV may result both in the loss of the sialic acid binding activity and in a drastic reduction of the enteropathogenicity. From this observation we conclude that the sialic acid binding activity is involved in the enteropathogenicity of TGEV. On the basis of our recent results we propose that binding of sialylated macromolecules to the virions surface may increase virus stability. This in turn would explain how TGEV as an enveloped virus can survive the gastrointestinal passage and cause intestinal infections.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">9782329</PMID><DateCompleted><Year>1999</Year><Month>01</Month><Day>13</Day></DateCompleted><DateRevised><Year>2020</Year><Month>04</Month><Day>15</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0065-2598</ISSN><JournalIssue CitedMedium="Print"><Volume>440</Volume><PubDate><Year>1998</Year></PubDate></JournalIssue><Title>Advances in experimental medicine and biology</Title><ISOAbbreviation>Adv. Exp. Med. Biol.</ISOAbbreviation></Journal><ArticleTitle>Is the sialic acid binding activity of the S protein involved in the enteropathogenicity of transmissible gastroenteritis virus?</ArticleTitle><Pagination><MedlinePgn>557-61</MedlinePgn></Pagination><Abstract><AbstractText>Transmissible gastroenteritis virus (TGEV) is able to recognize sialic acid on sialo-glycoconjugates. Analysis of mutants indicated that single point mutations in the S protein (around amino acids 145-155) of TGEV may result both in the loss of the sialic acid binding activity and in a drastic reduction of the enteropathogenicity. From this observation we conclude that the sialic acid binding activity is involved in the enteropathogenicity of TGEV. On the basis of our recent results we propose that binding of sialylated macromolecules to the virions surface may increase virus stability. 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Herrler</name><name sortKey="Laude, H" sort="Laude, H" uniqKey="Laude H" first="H" last="Laude">H. Laude</name></noCountry><country name="Allemagne"><noRegion><name sortKey="Krempl, C" sort="Krempl, C" uniqKey="Krempl C" first="C" last="Krempl">C. Krempl</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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