Vector competence of British Culicoides species for Bluetongue virus serotype 8
The proportion of infected vectors which are able to transmit an arbovirus to a susceptible host has a significant impact on the epidemic potential of such a virus. Assessing vector competence is therefore crucial to evaluate accurately the risk posed by such a disease to any non-endemic region. The vector competence of various Culicoides species in Scotland for bluetongue virus serotype 8 (BTV-8) was assessed by a pad-feeding technique, and a high-throughput virus extraction and isolation procedure. This was coupled with a multiplex polymerase chain reaction (PCR) to identify members of the Culicoides Obsoletus complex to species level. These results are compared with vector competence results of further Culicoides Obsoletus in South-East England assessed by the same method. A very low level of competence for this strain was detected in all Culicoides species tested, similar to that described for this strain in C. imicola originating from both Corsica and the Onderstepoort Veterinary Institute in South Africa. The implications of this are discussed in relation to future studies and also with regard to wider aspects of orbivirus transmission in the European Union. (Texte intégral)
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Subjects: | L72 - Organismes nuisibles des animaux, L73 - Maladies des animaux, Culicoides, virus bluetongue, fièvre catarrhale ovine, http://aims.fao.org/aos/agrovoc/c_10196, http://aims.fao.org/aos/agrovoc/c_9342, http://aims.fao.org/aos/agrovoc/c_976, http://aims.fao.org/aos/agrovoc/c_2574, http://aims.fao.org/aos/agrovoc/c_6881, |
Online Access: | http://agritrop.cirad.fr/559787/ http://agritrop.cirad.fr/559787/1/document_559787.pdf |
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dig-cirad-fr-5597872024-01-28T19:10:19Z http://agritrop.cirad.fr/559787/ http://agritrop.cirad.fr/559787/ Vector competence of British Culicoides species for Bluetongue virus serotype 8. Golding N., Venter Gert J., Balenghien Thomas, Mellor P., Barber J., Veronesi Eva, Carpenter Simon. 2009. Revue d'Elevage et de Médecine Vétérinaire des Pays Tropicaux, 62 (2-4), Résumé : 135. Medreonet Annual Meeting. 3, Lisbonne, Portugal, 2 Décembre 2009/4 Décembre 2009.https://doi.org/10.19182/remvt.10045 <https://doi.org/10.19182/remvt.10045> Vector competence of British Culicoides species for Bluetongue virus serotype 8 Golding, N. Venter, Gert J. Balenghien, Thomas Mellor, P. Barber, J. Veronesi, Eva Carpenter, Simon eng 2009 Revue d'Elevage et de Médecine Vétérinaire des Pays Tropicaux L72 - Organismes nuisibles des animaux L73 - Maladies des animaux Culicoides virus bluetongue fièvre catarrhale ovine http://aims.fao.org/aos/agrovoc/c_10196 http://aims.fao.org/aos/agrovoc/c_9342 http://aims.fao.org/aos/agrovoc/c_976 Angleterre Écosse http://aims.fao.org/aos/agrovoc/c_2574 http://aims.fao.org/aos/agrovoc/c_6881 The proportion of infected vectors which are able to transmit an arbovirus to a susceptible host has a significant impact on the epidemic potential of such a virus. Assessing vector competence is therefore crucial to evaluate accurately the risk posed by such a disease to any non-endemic region. The vector competence of various Culicoides species in Scotland for bluetongue virus serotype 8 (BTV-8) was assessed by a pad-feeding technique, and a high-throughput virus extraction and isolation procedure. This was coupled with a multiplex polymerase chain reaction (PCR) to identify members of the Culicoides Obsoletus complex to species level. These results are compared with vector competence results of further Culicoides Obsoletus in South-East England assessed by the same method. A very low level of competence for this strain was detected in all Culicoides species tested, similar to that described for this strain in C. imicola originating from both Corsica and the Onderstepoort Veterinary Institute in South Africa. The implications of this are discussed in relation to future studies and also with regard to wider aspects of orbivirus transmission in the European Union. (Texte intégral) article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/559787/1/document_559787.pdf application/pdf cc_by info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by/4.0/ https://doi.org/10.19182/remvt.10045 10.19182/remvt.10045 info:eu-repo/semantics/altIdentifier/doi/10.19182/remvt.10045 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.19182/remvt.10045 |
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L72 - Organismes nuisibles des animaux L73 - Maladies des animaux Culicoides virus bluetongue fièvre catarrhale ovine http://aims.fao.org/aos/agrovoc/c_10196 http://aims.fao.org/aos/agrovoc/c_9342 http://aims.fao.org/aos/agrovoc/c_976 http://aims.fao.org/aos/agrovoc/c_2574 http://aims.fao.org/aos/agrovoc/c_6881 L72 - Organismes nuisibles des animaux L73 - Maladies des animaux Culicoides virus bluetongue fièvre catarrhale ovine http://aims.fao.org/aos/agrovoc/c_10196 http://aims.fao.org/aos/agrovoc/c_9342 http://aims.fao.org/aos/agrovoc/c_976 http://aims.fao.org/aos/agrovoc/c_2574 http://aims.fao.org/aos/agrovoc/c_6881 |
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L72 - Organismes nuisibles des animaux L73 - Maladies des animaux Culicoides virus bluetongue fièvre catarrhale ovine http://aims.fao.org/aos/agrovoc/c_10196 http://aims.fao.org/aos/agrovoc/c_9342 http://aims.fao.org/aos/agrovoc/c_976 http://aims.fao.org/aos/agrovoc/c_2574 http://aims.fao.org/aos/agrovoc/c_6881 L72 - Organismes nuisibles des animaux L73 - Maladies des animaux Culicoides virus bluetongue fièvre catarrhale ovine http://aims.fao.org/aos/agrovoc/c_10196 http://aims.fao.org/aos/agrovoc/c_9342 http://aims.fao.org/aos/agrovoc/c_976 http://aims.fao.org/aos/agrovoc/c_2574 http://aims.fao.org/aos/agrovoc/c_6881 Golding, N. Venter, Gert J. Balenghien, Thomas Mellor, P. Barber, J. Veronesi, Eva Carpenter, Simon Vector competence of British Culicoides species for Bluetongue virus serotype 8 |
description |
The proportion of infected vectors which are able to transmit an arbovirus to a susceptible host has a significant impact on the epidemic potential of such a virus. Assessing vector competence is therefore crucial to evaluate accurately the risk posed by such a disease to any non-endemic region. The vector competence of various Culicoides species in Scotland for bluetongue virus serotype 8 (BTV-8) was assessed by a pad-feeding technique, and a high-throughput virus extraction and isolation procedure. This was coupled with a multiplex polymerase chain reaction (PCR) to identify members of the Culicoides Obsoletus complex to species level. These results are compared with vector competence results of further Culicoides Obsoletus in South-East England assessed by the same method. A very low level of competence for this strain was detected in all Culicoides species tested, similar to that described for this strain in C. imicola originating from both Corsica and the Onderstepoort Veterinary Institute in South Africa. The implications of this are discussed in relation to future studies and also with regard to wider aspects of orbivirus transmission in the European Union. (Texte intégral) |
format |
article |
topic_facet |
L72 - Organismes nuisibles des animaux L73 - Maladies des animaux Culicoides virus bluetongue fièvre catarrhale ovine http://aims.fao.org/aos/agrovoc/c_10196 http://aims.fao.org/aos/agrovoc/c_9342 http://aims.fao.org/aos/agrovoc/c_976 http://aims.fao.org/aos/agrovoc/c_2574 http://aims.fao.org/aos/agrovoc/c_6881 |
author |
Golding, N. Venter, Gert J. Balenghien, Thomas Mellor, P. Barber, J. Veronesi, Eva Carpenter, Simon |
author_facet |
Golding, N. Venter, Gert J. Balenghien, Thomas Mellor, P. Barber, J. Veronesi, Eva Carpenter, Simon |
author_sort |
Golding, N. |
title |
Vector competence of British Culicoides species for Bluetongue virus serotype 8 |
title_short |
Vector competence of British Culicoides species for Bluetongue virus serotype 8 |
title_full |
Vector competence of British Culicoides species for Bluetongue virus serotype 8 |
title_fullStr |
Vector competence of British Culicoides species for Bluetongue virus serotype 8 |
title_full_unstemmed |
Vector competence of British Culicoides species for Bluetongue virus serotype 8 |
title_sort |
vector competence of british culicoides species for bluetongue virus serotype 8 |
url |
http://agritrop.cirad.fr/559787/ http://agritrop.cirad.fr/559787/1/document_559787.pdf |
work_keys_str_mv |
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