A guinea fowl genome assembly provides new evidence on evolution following domestication and selection in galliformes
2019
Vignal, Alain | Boitard, Simon | Thébault, Noémie | Dayo, Guiguigbaza‐kossigan | Yapi‐gnaore, Valentine | Youssao Abdou Karim, Issaka | Berthouly‐salazar, Cécile | Pálinkás‐bodzsár, Nóra | Guemene, Daniel | Thibaud‐nissen, Francoise | Warren, Wesley C. | Tixier-Boichard, Michèle | Rognon, Xavier, X | Génétique Physiologie et Systèmes d'Elevage (GenPhySE) ; Institut National de la Recherche Agronomique (INRA)-Ecole Nationale Vétérinaire de Toulouse (ENVT) ; Institut National Polytechnique (Toulouse) (Toulouse INP) ; Université de Toulouse (UT)-Université de Toulouse (UT)-Institut National Polytechnique (Toulouse) (Toulouse INP) ; Université de Toulouse (UT)-Université de Toulouse (UT)-École nationale supérieure agronomique de Toulouse (ENSAT) ; Institut National Polytechnique (Toulouse) (Toulouse INP) ; Université de Toulouse (UT)-Université de Toulouse (UT) | Centre international de recherche-développement sur l'élevage en zone sub-humide (CIRDES) | Université d’Abomey-Calavi - Faculté des sciences agronomiques (UAC FSA) ; Université d’Abomey-Calavi = University of Abomey Calavi (UAC) | Diversité, adaptation, développement des plantes (UMR DIADE) ; Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD [Occitanie]) | Res Ctr Farm Anim Gene Conservat ; Partenaires INRAE | Syndicat des Sélectionneurs Avicoles et Aquacoles Français (SYSAAF) | Natl Lib Med, Natl Ctr Biotechnol Informat | University of Washington [Seattle] | University of Missouri [Columbia] (Mizzou) ; University of Missouri System | Génétique Animale et Biologie Intégrative (GABI) ; Institut National de la Recherche Agronomique (INRA)-AgroParisTech | Eremitage Fund for Scientific Research Partnership Price CSRS 2013
International audience
Mostrar más [+] Menos [-]Inglés. The helmeted guinea fowl Numida meleagris belongs to the order Galliformes. Its natural range includes a large part of sub-Saharan Africa, from Senegal to Eritrea and from Chad to South Africa. Archaeozoological and artistic evidence suggest domestication of this species may have occurred about 2,000 years BP in Mali and Sudan primarily as a food resource, although villagers also benefit from its capacity to give loud alarm calls in case of danger, of its ability to consume parasites such as ticks and to hunt snakes, thus suggesting its domestication may have resulted from a commensal association process. Today, it is still farmed in Africa, mainly as a traditional village poultry, and is also bred more intensively in other countries, mainly France and Italy. The lack of available molecular genetic markers has limited the genetic studies conducted to date on guinea fowl. We present here a first-generation whole-genome sequence draft assembly used as a reference for a study by a Pool-seq approach of wild and domestic populations from Europe and Africa. We show that the domestic populations share a higher genetic similarity between each other than they do to wild populations living in the same geographical area. Several genomic regions showing selection signatures putatively related to domestication or importation to Europe were detected, containing candidate genes, most notably EDNRB2, possibly explaining losses in plumage coloration phenotypes in domesticated populations.
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