Colonization of the Mediterranean Basin by the vector biting midge species Culicoides imicola: an old story

Jacquet Stéphan, Garros Claire, Lombaert E., Walton E., Restrepo J., Allene Xavier, Baldet Thierry, Cetre-Sossah Catherine, Chaskopoulou A., Delecolle Jean Claude, Desvars Amélie, Djerbal Mouloud, Fall Moussa, Gardes Laëtitia, De Garine-Wichatitsky Michel, Goffredo Maria, Gottlieb Yuval, Gueye Fall Assane, Kasina M., Labuschagne Karien, Lhor Youssef, Lucientes Javier, Martin Thibaud, Mathieu Bertrand, Miranda Miguel Angel, Pages Nitu, Pereira da Fonseca Isabel, Ramilo David, Segard Adeline, Setier-Rio Marie-Laure, Stachurski Frédéric, Tabbabi A., Talla Seck Monar, Venter Gert J., Zimba Moses, Balenghien Thomas, Guis Hélène, Chevillon Christine, Bouyer Jérémy, Huber Karine. 2015. Colonization of the Mediterranean Basin by the vector biting midge species Culicoides imicola: an old story. Molecular Ecology, 24 (22) : 5707-5725.

Url - jeu de données - Entrepôt autre : http://www.ncbi.nlm.nih.gov/nuccore/KT027189 / Url - jeu de données - Entrepôt autre : http://www.ncbi.nlm.nih.gov/nuccore/KT027190 / Url - jeu de données - Entrepôt autre : http://www.ncbi.nlm.nih.gov/nuccore/KT027376 / Url - jeu de données - Entrepôt autre : https://doi.org/10.5061/dryad.1sm6c

Quartile : Q1, Sujet : ECOLOGY / Quartile : Q1, Sujet : EVOLUTIONARY BIOLOGY / Quartile : Q1, Sujet : BIOCHEMISTRY & MOLECULAR BIOLOGY

Liste HCERES des revues (en SHS) : oui

Thème(s) HCERES des revues (en SHS) : Psychologie-éthologie-ergonomie

Note générale : Jeux de données enregistrés dans la base GenBank du numéro d'accès KT027190 au KT027376.

Résumé : Understanding the demographic history and genetic make-up of colonizing species is critical for inferring population sources and colonization routes. This is of main interest for designing accurate control measures in areas newly colonized by vector species of economically important pathogens. The biting midge Culicoides imicola is a major vector of Orbiviruses to livestock. Historically, the distribution of this species was limited to the Afrotropical region. Entomological surveys first revealed the presence of C. imicola in the south of the Mediterranean basin by the 1970's. Following recurrent reports of massive bluetongue outbreaks since the 1990s, the presence of the species was confirmed in northern areas. In this study, we addressed the chronology and processes of C. imicola colonization in the Mediterranean basin. We characterized the genetic structure of its populations across Mediterranean and African regions using both mitochondrial and nuclear markers, and combined phylogeographical analyses with population genetics and approximate Bayesian computation. We found a west/east genetic differentiation between populations, occurring both within Africa and within the Mediterranean basin. We demonstrated that three of these groups had experienced demographic expansions in the Pleistocene, probably because of climate changes during this period. Finally, we showed that C. imicola could have colonized the Mediterranean basin in the late Pleistocene or early Holocene through a single event of introduction; however we cannot exclude the hypothesis involving two routes of colonization. Thus, the recent bluetongue outbreaks are not linked to C. imicola colonization event, but rather to biological changes in the vector or the virus.

Mots-clés Agrovoc : Culicoides, dynamique des populations, distribution géographique, génétique des populations, migration animale, Orbivirus, vecteur de maladie, microsatellite, marqueur génétique, mitochondrie, gène, phylogénie, modèle mathématique

Mots-clés géographiques Agrovoc : région méditerranéenne

Mots-clés complémentaires : Culicoides imicola, Émergence

Classification Agris : L72 - Organismes nuisibles des animaux
L73 - Maladies des animaux
U10 - Informatique, mathématiques et statistiques

Champ stratégique Cirad : Axe 4 (2014-2018) - Santé des animaux et des plantes

Auteurs et affiliations

• Jacquet Stéphan, INRA (FRA)
• Garros Claire, CIRAD-BIOS-UMR CMAEE (FRA) ORCID: 0000-0003-4378-5031
• Lombaert E., INRA (FRA)
• Walton E., University of Manchester (GBR)
• Restrepo J., INRA (FRA)
• Allene Xavier, CIRAD-BIOS-UMR CMAEE (FRA)
• Baldet Thierry, CIRAD-BIOS-UMR CMAEE (FRA) ORCID: 0000-0003-2979-9517
• Cetre-Sossah Catherine, CIRAD-BIOS-UMR CMAEE (REU)
• Chaskopoulou A., USDA (FRA)
• Delecolle Jean Claude, Faculté de médecine de Strasbourg (FRA)
• Desvars Amélie, Université d'Umea (SWE)
• Djerbal Mouloud, Institut national de la médecine vétérinaire (DZA)
• Fall Moussa, ISRA (SEN)
• Gardes Laëtitia, CIRAD-BIOS-UMR CMAEE (FRA) ORCID: 0000-0003-1787-1331
• De Garine-Wichatitsky Michel, CIRAD-ES-UPR AGIRs (ZWE) ORCID: 0000-0002-5438-1473
• Goffredo Maria, IZSA&M (ITA)
• Gottlieb Yuval, Koret School of Veterinary Medecine (ISR)
• Gueye Fall Assane, ISRA (SEN)
• Kasina M., KALRO (KEN)
• Labuschagne Karien, OVI (ZAF)
• Lhor Youssef, ONSSA (MAR)
• Lucientes Javier, Universidad de Zaragoza (ESP)
• Martin Thibaud, CIRAD-PERSYST-UPR HortSys (KEN) ORCID: 0000-0002-4915-4436
• Mathieu Bertrand, EID (FRA)
• Miranda Miguel Angel, UIB (ESP)
• Pages Nitu, CReSA (ESP)
• Pereira da Fonseca Isabel, Universidade de Lisboa (PRT)
• Ramilo David, Universidade de Lisboa (PRT)
• Segard Adeline, CNRS (FRA)
• Setier-Rio Marie-Laure, EID (FRA)
• Stachurski Frédéric, CIRAD-BIOS-UMR CMAEE (FRA) ORCID: 0009-0009-5904-3375
• Tabbabi A., Institut Pasteur de Tunis (TUN)
• Talla Seck Monar, ISRA (SEN)
• Venter Gert J., ARC (ZAF)
• Zimba Moses, University of Zimbabwe (ZWE)
• Balenghien Thomas, CIRAD-BIOS-UMR CMAEE (FRA)
• Guis Hélène, CIRAD-BIOS-UMR CMAEE (FRA)
• Chevillon Christine, CNRS (FRA)
• Bouyer Jérémy, CIRAD-BIOS-UMR CMAEE (SEN) ORCID: 0000-0002-1913-416X
• Huber Karine, CIRAD-BIOS-UMR CMAEE (FRA)

Source : Cirad-Agritrop (https://agritrop.cirad.fr/577843/)

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