Bovine torovirus (Breda virus) revisited.
Identifieur interne : 005440 ( Main/Exploration ); précédent : 005439; suivant : 005441Bovine torovirus (Breda virus) revisited.
Auteurs : Armando E. Hoet [Venezuela] ; Linda J. SaifSource :
- Animal health research reviews [ 1466-2523 ] ; 2004.
Descripteurs français
- KwdFr :
- MESH :
- génétique : Torovirus.
- médecine vétérinaire : Infections à torovirus.
- virologie : Infections à torovirus, Maladies des bovins.
- transmission : Animaux, Bovins, Humains, Maladies des bovins, Zoonoses.
English descriptors
- KwdEn :
- MESH :
- genetics : Torovirus.
- transmission : Cattle Diseases.
- veterinary : Torovirus Infections.
- virology : Cattle Diseases, Torovirus Infections.
- Animals, Cattle, Humans, Zoonoses.
Abstract
Bovine torovirus (BoTV) is a pleomorphic virus with a spike-bearing envelope and a linear, non-segmented, positive-sense single-stranded RNA genome. This kidney-shaped virus is associated with diarrhea in calves and apparently has a worldwide distribution. This review provides details of the history and taxonomy of BoTV since its discovery in 1979. Information about virion morphology and architecture, antigenic and biological properties, viral genome, protein composition, thermal and chemical stability, and pH and proteolytic enzymes resistance is also summarized. A major focus of this review is to postulate a possible epidemiological cycle for BoTV, based on epidemiological data obtained in our studies and other published data, and progressing from the newborn calf to the adult animal. The distribution, host range, pathogenesis, disease and clinical signs (under experimental and natural exposure), pathology, diagnosis, prevention, treatment and control of BoTV infections are also described. In addition, a discussion of the zoonotic implications of torovirus-like particles detected in patients with gastroenteritis that resemble and cross-react with BoTV is presented. Hopefully, the findings described here will alert others to the existence of BoTV in cattle and its contribution to the diarrheal disease complex. This review also highlights the need for continual vigilance for potential zoonotic viruses belonging to the order Nidovirales, such as the SARS coronavirus.
DOI: 10.1079/ahr200498
PubMed: 15984322
Affiliations:
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Le document en format XML
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Hoet</name><affiliation wicri:level="1"><nlm:affiliation>Facultad de Ciencias Veterinarias, La Universidad del Zulia, Maracaibo, Venezuela. hoet.1@osu.edu</nlm:affiliation><country xml:lang="fr">Venezuela</country><wicri:regionArea>Facultad de Ciencias Veterinarias, La Universidad del Zulia, Maracaibo</wicri:regionArea><wicri:noRegion>Maracaibo</wicri:noRegion></affiliation></author><author><name sortKey="Saif, Linda J" sort="Saif, Linda J" uniqKey="Saif L" first="Linda J" last="Saif">Linda J. Saif</name></author></analytic><series><title level="j">Animal health research reviews</title><idno type="ISSN">1466-2523</idno><imprint><date when="2004" type="published">2004</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals</term><term>Cattle</term><term>Cattle Diseases (transmission)</term><term>Cattle Diseases (virology)</term><term>Humans</term><term>Torovirus (genetics)</term><term>Torovirus Infections (veterinary)</term><term>Torovirus Infections (virology)</term><term>Zoonoses</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Animaux</term><term>Bovins</term><term>Humains</term><term>Infections à torovirus (médecine vétérinaire)</term><term>Infections à torovirus (virologie)</term><term>Maladies des bovins (transmission)</term><term>Maladies des bovins (virologie)</term><term>Torovirus (génétique)</term><term>Zoonoses</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Torovirus</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Torovirus</term></keywords><keywords scheme="MESH" qualifier="médecine vétérinaire" xml:lang="fr"><term>Infections à torovirus</term></keywords><keywords scheme="MESH" qualifier="transmission" xml:lang="en"><term>Cattle Diseases</term></keywords><keywords scheme="MESH" qualifier="veterinary" xml:lang="en"><term>Torovirus Infections</term></keywords><keywords scheme="MESH" qualifier="virologie" xml:lang="fr"><term>Infections à torovirus</term><term>Maladies des bovins</term></keywords><keywords scheme="MESH" qualifier="virology" xml:lang="en"><term>Cattle Diseases</term><term>Torovirus Infections</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Cattle</term><term>Humans</term><term>Zoonoses</term></keywords><keywords scheme="MESH" qualifier="transmission" xml:lang="fr"><term>Animaux</term><term>Bovins</term><term>Humains</term><term>Maladies des bovins</term><term>Zoonoses</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Bovine torovirus (BoTV) is a pleomorphic virus with a spike-bearing envelope and a linear, non-segmented, positive-sense single-stranded RNA genome. This kidney-shaped virus is associated with diarrhea in calves and apparently has a worldwide distribution. This review provides details of the history and taxonomy of BoTV since its discovery in 1979. Information about virion morphology and architecture, antigenic and biological properties, viral genome, protein composition, thermal and chemical stability, and pH and proteolytic enzymes resistance is also summarized. A major focus of this review is to postulate a possible epidemiological cycle for BoTV, based on epidemiological data obtained in our studies and other published data, and progressing from the newborn calf to the adult animal. The distribution, host range, pathogenesis, disease and clinical signs (under experimental and natural exposure), pathology, diagnosis, prevention, treatment and control of BoTV infections are also described. In addition, a discussion of the zoonotic implications of torovirus-like particles detected in patients with gastroenteritis that resemble and cross-react with BoTV is presented. Hopefully, the findings described here will alert others to the existence of BoTV in cattle and its contribution to the diarrheal disease complex. This review also highlights the need for continual vigilance for potential zoonotic viruses belonging to the order Nidovirales, such as the SARS coronavirus.</div></front></TEI><affiliations><list><country><li>Venezuela</li></country></list><tree><noCountry><name sortKey="Saif, Linda J" sort="Saif, Linda J" uniqKey="Saif L" first="Linda J" last="Saif">Linda J. Saif</name></noCountry><country name="Venezuela"><noRegion><name sortKey="Hoet, Armando E" sort="Hoet, Armando E" uniqKey="Hoet A" first="Armando E" last="Hoet">Armando E. Hoet</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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