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Chicken domestication: From archeology to genomics
Tixier-Boichard, Michèle ; Bed’hom, Bertrand ; Rognon, Xavier
Comptes rendus. Biologies, 2011, Vol.334 (3), p.197-204
[Periódico revisado por pares]
France: Elsevier SAS
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Título:
Chicken domestication: From archeology to genomics
Autor:
Tixier-Boichard, Michèle
;
Bed’hom, Bertrand
;
Rognon, Xavier
Assuntos:
Agriculture - history
;
Animals
;
Animals, Domestic - genetics
;
Animals, Wild
;
Archaeology
;
Archeology
;
breeds
;
Chicken
;
chickens
;
Chickens - genetics
;
Color genes
;
Diversité génétique
;
DNA - genetics
;
DNA Footprinting
;
DNA, Mitochondrial - genetics
;
Domestication
;
Emigration and Immigration
;
Gallus gallus
;
Gallus sonneratii
;
genes
;
Genetic diversity
;
Genetic Variation
;
Genome sequence
;
Genome-Wide Association Study
;
Genomics
;
Gènes de coloration
;
History, Ancient
;
loci
;
Mutation
;
Mutation - genetics
;
Mutation - physiology
;
Nucleotide sequence
;
nucleotide sequences
;
Paleontology
;
population
;
Poulet
;
Quantitative trait loci
;
quantitative traits
;
Reviews
;
Skin Physiological Phenomena - genetics
;
Skin Pigmentation - genetics
;
Séquençage du génome
É parte de:
Comptes rendus. Biologies, 2011, Vol.334 (3), p.197-204
Notas:
http://dx.doi.org/10.1016/j.crvi.2010.12.012
ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ObjectType-Feature-3
ObjectType-Review-1
Descrição:
Current knowledge on chicken domestication is reviewed on the basis of archaeological, historical and molecular data. Several domestication centres have been identified in South and South-East Asia. Gallus gallus is the major ancestor species, but Gallus sonneratii has also contributed to the genetic make-up of the domestic chicken. Genetic diversity is now distributed among traditional populations, standardized breeds and highly selected lines. Knowing the genome sequence has accelerated the identification of causal mutations determining major morphological differences between wild Gallus and domestic breeds. Comparative genome resequencing between Gallus and domestic chickens has identified 21 selective sweeps, one involving a non-synonymous mutation in the TSHR gene, which functional consequences remain to be explored. The resequencing approach could also identify candidate genes responsible of quantitative traits loci (QTL) effects in selected lines. Genomics is opening new ways to understand major switches that took place during domestication and subsequent selection. La connaissance de la domestication du poulet s’appuie sur des données archéologiques, historiques et moléculaires. L’existence de plusieurs foyers de domestication en Asie du Sud et du Sud-Est, et la contribution de Gallus sonneratii à la domestication du poulet en complément de l’espèce ancêtre majeur Gallu gallus sont maintenant bien démontrées. La diversité génétique du poulet domestique est actuellement distribuée entre populations traditionnelles, races standardisées et lignées sélectionnées. L’accès à la séquence du génome a accéléré l’identification des mutations causales de différences morphologiques majeures entre poulets domestiques et Gallus sauvages. Un reséquençage du génome comparant poulets domestiques et Gallus sauvages a permis d’identifier 21 signatures de domestication. L’une présente une mutation non-synonyme du gène TSHR dont les conséquences fonctionnelles restent à explorer. Cette approche peut aussi identifier des gènes candidats correspondant à des locus à effets quantitatifs ( quantitative traits loci [QTL]) déjà détectés. La génomique ouvre de nouvelles voies pour comprendre les changements majeurs induits par la domestication et la sélection.
Editor:
France: Elsevier SAS
Idioma:
Inglês
Links
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