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Population genomics and gene introgression in goat herds naturally adapted to Brazil Rev. Ciênc. Agron.
Moura,Jeane de Oliveira; Campelo,José Elivalto Guimarães; Bajay,Miklos Maximiliano; Sarmento,José Lindenberg Rocha; Araújo,Adriana Mello de.
ABSTRACT The aim of this study was to apply the Illumina 50 K goat SNP Chip to analyse population genomic structure in two herds of Marota goats in the State of Piauí, one private and the other an official conservation herd, and to investigate evidence of genetic erosion in these herds caused by the Anglo-Nubian goat. To that end, 86 Marota and 10 Anglo-Nubian animals were genotyped. Genetic diversity was analysed by comparing minor allele frequency (MAF) in the herds. Population structure and genetic differentiation were evaluated using a Bayesian approach, principal component analysis (PCA) and the fixation index (FST). High genetic differentiation (FST = 0.16) was seen in the Marota population in relation to the Anglo-Nubian. The private herd shared a...
Tipo: Info:eu-repo/semantics/article Palavras-chave: SNP chip; Population structure; Genetic resources.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902019000300476
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