Genetic diversity and population structure analysis of the Mexican Pastorena Goat

被引：6
作者：
Angel Dominguez, Miguel [1 ]
Diego Perez de la Rosa, Juan [2 ]
Landi, Vincenzo [3 ]
Perez de la Rosa, Javier [2 ]
Vazquez, Nohemi [1 ]
Martinez Martinez, Amparo [3 ]
Fuentes-Mascorro, Gisela [4 ]
机构：
[1] Univ Autonoma Benito Juarez Oaxaca, Lab Genet Mol & Zoonosis, Fac Med Vet & Zootecnia, Oaxaca, Mexico
[2] Ctr Nacl Serv Constatac Salud Anim, Dept Secuenciac Genom, Michoacan De Ocampo, Morelos, Mexico
[3] Univ Cordoba, Dept Genet, Lab Marcadores Mol, Cordoba, Spain
[4] Univ Autonoma Benito Juarez Oaxaca, Fac Med Vet & Zootecnia, Lab Invest Reprod Anim, Oaxaca, Mexico
来源：
SMALL RUMINANT RESEARCH | 2018年 / 168卷
关键词：
Creole; Microsatellites; Pastorena Goat; Mexico; MICROSATELLITE ANALYSIS; BREEDS;
D O I：
10.1016/j.smallrumres.2018.09.019
中图分类号：
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号：
0905 ;
摘要：
Pastorena Goats represent an important biological and economic resource in Mexico due to their successful adaptation to the environmental conditions and the type of management exerted by the shepherds. The aim of this study was to analyze the intra-breed genetic diversity and population structure of the Pastorena Goats from the Mixteca region in Mexico. A battery of 28 microsatellite markers and four reference populations specifically selected for their close relation to the Mexican caprine population were employed to carry out the study. Within the 28 loci analyzed, 203 alleles were detected, with an average of 7.250 +/- 3.318 alleles per locus. Mean values of unbiased expected heterozygosity and observed heterozygosity were 0.689 +/- 0.210 and 0.667 +/- 0.213 respectively. The analysis of population structure and degree of admixture revealed that Pastorena Goats are a well-defined population that is clearly separated from the other four reference populations used in the study. No evidence of recent genetic bottleneck in the Pastorena Goat population was detected. The results obtained will be invaluable to establish a sustainable improvement and conservation policies of this local breed.
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收藏
页码：76 / 81
页数：6
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