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Studies of modern Italian dog populations reveal multiple patterns for domestic breed evolution

Through thousands of years of breeding and strong human selection, the dog (Canis lupus familiaris) exists today within hundreds of closed populations throughout the world, each with defined phenotypes. A singular geographic region with broad diversity in dog breeds presents an interesting opportuni...

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Autores principales: Talenti, Andrea, Dreger, Dayna L., Frattini, Stefano, Polli, Michele, Marelli, Stefano, Harris, Alexander C., Liotta, Luigi, Cocco, Raffaella, Hogan, Andrew N., Bigi, Daniele, Caniglia, Romolo, Parker, Heidi G., Pagnacco, Giulio, Ostrander, Elaine A., Crepaldi, Paola
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley and Sons Inc. 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5838073/
https://www.ncbi.nlm.nih.gov/pubmed/29531705
http://dx.doi.org/10.1002/ece3.3842
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author Talenti, Andrea
Dreger, Dayna L.
Frattini, Stefano
Polli, Michele
Marelli, Stefano
Harris, Alexander C.
Liotta, Luigi
Cocco, Raffaella
Hogan, Andrew N.
Bigi, Daniele
Caniglia, Romolo
Parker, Heidi G.
Pagnacco, Giulio
Ostrander, Elaine A.
Crepaldi, Paola
author_facet Talenti, Andrea
Dreger, Dayna L.
Frattini, Stefano
Polli, Michele
Marelli, Stefano
Harris, Alexander C.
Liotta, Luigi
Cocco, Raffaella
Hogan, Andrew N.
Bigi, Daniele
Caniglia, Romolo
Parker, Heidi G.
Pagnacco, Giulio
Ostrander, Elaine A.
Crepaldi, Paola
author_sort Talenti, Andrea
collection PubMed
description Through thousands of years of breeding and strong human selection, the dog (Canis lupus familiaris) exists today within hundreds of closed populations throughout the world, each with defined phenotypes. A singular geographic region with broad diversity in dog breeds presents an interesting opportunity to observe potential mechanisms of breed formation. Italy claims 14 internationally recognized dog breeds, with numerous additional local varieties. To determine the relationship among Italian dog populations, we integrated genetic data from 263 dogs representing 23 closed dog populations from Italy, seven Apennine gray wolves, and an established dataset of 161 globally recognized dog breeds, applying multiple genetic methods to characterize the modes by which breeds are formed within a single geographic region. Our consideration of each of five genetic analyses reveals a series of development events that mirror historical modes of breed formation, but with variations unique to the codevelopment of early dog and human populations. Using 142,840 genome‐wide SNPs and a dataset of 1,609 canines, representing 182 breeds and 16 wild canids, we identified breed development routes for the Italian breeds that included divergence from common populations for a specific purpose, admixture of regional stock with that from other regions, and isolated selection of local stock with specific attributes.
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spelling pubmed-58380732018-03-12 Studies of modern Italian dog populations reveal multiple patterns for domestic breed evolution Talenti, Andrea Dreger, Dayna L. Frattini, Stefano Polli, Michele Marelli, Stefano Harris, Alexander C. Liotta, Luigi Cocco, Raffaella Hogan, Andrew N. Bigi, Daniele Caniglia, Romolo Parker, Heidi G. Pagnacco, Giulio Ostrander, Elaine A. Crepaldi, Paola Ecol Evol Original Research Through thousands of years of breeding and strong human selection, the dog (Canis lupus familiaris) exists today within hundreds of closed populations throughout the world, each with defined phenotypes. A singular geographic region with broad diversity in dog breeds presents an interesting opportunity to observe potential mechanisms of breed formation. Italy claims 14 internationally recognized dog breeds, with numerous additional local varieties. To determine the relationship among Italian dog populations, we integrated genetic data from 263 dogs representing 23 closed dog populations from Italy, seven Apennine gray wolves, and an established dataset of 161 globally recognized dog breeds, applying multiple genetic methods to characterize the modes by which breeds are formed within a single geographic region. Our consideration of each of five genetic analyses reveals a series of development events that mirror historical modes of breed formation, but with variations unique to the codevelopment of early dog and human populations. Using 142,840 genome‐wide SNPs and a dataset of 1,609 canines, representing 182 breeds and 16 wild canids, we identified breed development routes for the Italian breeds that included divergence from common populations for a specific purpose, admixture of regional stock with that from other regions, and isolated selection of local stock with specific attributes. John Wiley and Sons Inc. 2018-02-14 /pmc/articles/PMC5838073/ /pubmed/29531705 http://dx.doi.org/10.1002/ece3.3842 Text en © 2018 The Authors. Ecology and Evolution published by John Wiley & Sons Ltd. This is an open access article under the terms of the Creative Commons Attribution (http://creativecommons.org/licenses/by/4.0/) License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
spellingShingle Original Research
Talenti, Andrea
Dreger, Dayna L.
Frattini, Stefano
Polli, Michele
Marelli, Stefano
Harris, Alexander C.
Liotta, Luigi
Cocco, Raffaella
Hogan, Andrew N.
Bigi, Daniele
Caniglia, Romolo
Parker, Heidi G.
Pagnacco, Giulio
Ostrander, Elaine A.
Crepaldi, Paola
Studies of modern Italian dog populations reveal multiple patterns for domestic breed evolution
title Studies of modern Italian dog populations reveal multiple patterns for domestic breed evolution
title_full Studies of modern Italian dog populations reveal multiple patterns for domestic breed evolution
title_fullStr Studies of modern Italian dog populations reveal multiple patterns for domestic breed evolution
title_full_unstemmed Studies of modern Italian dog populations reveal multiple patterns for domestic breed evolution
title_short Studies of modern Italian dog populations reveal multiple patterns for domestic breed evolution
title_sort studies of modern italian dog populations reveal multiple patterns for domestic breed evolution
topic Original Research
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5838073/
https://www.ncbi.nlm.nih.gov/pubmed/29531705
http://dx.doi.org/10.1002/ece3.3842
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