Pilgrim Jack, Siozios S., Baylis Matthew, Venter Gert J., Garros Claire, Hurst Gregory D.D.. 2021. Identifying potential candidate Culicoides spp. for the study of interactions with Candidatus Cardinium hertigii. Medical and Veterinary Entomology, 35 : 501-506.
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Url - jeu de données - Entrepôt autre : http://doi.org/10.6084/m9.figshare.13187069 / Url - jeu de données - Entrepôt autre : http://doi.org/10.6084/m9.figshare.13142684 / Url - jeu de données - Entrepôt autre : http://doi.org/10.6084/m9.figshare.13130306
Quartile : Q2, Sujet : ENTOMOLOGY / Quartile : Q2, Sujet : VETERINARY SCIENCES
Liste HCERES des revues (en SHS) : oui
Thème(s) HCERES des revues (en SHS) : Psychologie-éthologie-ergonomie
Résumé : Culicoides biting midges (Diptera: Ceratopogonidae) are vectors responsible for the transmission of several viruses of veterinary importance. Previous screens of Culicoides have described the presence of the endosymbiont Candidatus Cardinium hertigii (Bacteroidetes). However, any impacts of this microbe on vectorial capacity, akin to those conferred by Wolbachia in mosquitoes, are yet to be uncovered and await a suitable system to study Cardinium‐midge interactions. To identify potential candidate species to investigate these interactions, accurate knowledge of the distribution of the endosymbiont within Culicoides populations is needed. We used conventional and nested PCR assays to screen Cardinium infection in 337 individuals of 25 Culicoides species from both Palearctic and Afrotropical regions. Infections were observed in several vector species including C. imicola and the Pulicaris complex (C. pulicaris, C. bysta, C. newsteadi and C. punctatus) with varying prevalence. Phylogenetic analysis based on the Gyrase B gene grouped all new isolates within 'group C' of the genus, a clade that has to date been exclusively described in Culicoides. Through a comparison of our results with previous screens, we suggest C. imicola and C. sonorensis represent good candidates for onward study of Cardinium‐midge interactions.
Mots-clés Agrovoc : Culicoides, Rickettsia, vecteur de maladie, phylogénie
Mots-clés complémentaires : Candidatus Cardinium hertigii, Culicoides imicola, Culicoides sonorensis
Mots-clés libres : Cardinium, Culicoides, Rickettsia, Symbiosis
Classification Agris : L72 - Organismes nuisibles des animaux
Champ stratégique Cirad : CTS 4 (2019-) - Santé des plantes, des animaux et des écosystèmes
Auteurs et affiliations
- Pilgrim Jack, University of Liverpool (GBR)
- Siozios S., University of Liverpool (GBR)
- Baylis Matthew, University of Liverpool (GBR)
- Venter Gert J., OVI (ZAF)
- Garros Claire, CIRAD-BIOS-UMR ASTRE (FRA) ORCID: 0000-0003-4378-5031
- Hurst Gregory D.D., University of Liverpool (GBR) - auteur correspondant
Source : Cirad-Agritrop (https://agritrop.cirad.fr/598216/)
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