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| Ianella,Patrícia; Albuquerque,Maria do Socorro Maués; Paiva,Samuel Rezende; Egito,Andréa Alves do; Almeida,Leonardo Daniel; Sereno,Fabiana T. P. S.; Carvalho,Luiz Felipe Ramos; Mariante,Arthur da Silva; McManus,Concepta Margaret. |
| Abstract The first horses were brought to Brazil by the colonizers after 1534. Over the centuries, these animals evolved and adapted to local environmental conditions usually unsuitable for exotic breeds, thereby originating locally adapted Brazilian breeds. The present work represents the first description of maternal genetic diversity in these horse breeds based on D-loop sequences. A D-Loop HSV-I fragment of 252 bp, from 141 horses belonging to ten Brazilian breeds / genetic groups (locally adapted and specialized breeds) were analysed. Thirty-five different haplotypes belonging to 18 haplogroups were identified with 33 polymorphic sites. Haplotype diversity (varying from 0.20 to 0.96) and nucleotide diversity (varying from 0.0039 to 0.0239) was lower... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Mitochondrial DNA; Genetic characterization; Equus caballus; Locally adapted breeds; Animal genetic resources. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572017000400604 |
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| Silva,Elizabete Cristina da; Dutra Junior,Wilson Moreira; Ianella,Patrícia; Gomes Filho,Manoel Adrião; Oliveira,Cláudio José Parro de; Ferreira,Débora Nathália de Moura; Caetano,Alexandre Rodrigues; Paiva,Samuel Rezende. |
| This study estimated the genetic diversity and structure of 12 genetic groups (GG) of locally adapted and specialized pigs in the state of Pernambuco using 22 microsatellite markers. Nine locally adapted breeds (Baé, Caruncho, Canastra, Canastrão, Mamelado, Moura, Nilo, Piau and UDB (Undefined Breed)) and 3 specialized breeds (Duroc, Landrace and Large White), totaling 190 animals, were analyzed. The Analysis of Molecular Variance (AMOVA) showed that 3.2% of the total variation was due to differences between genetic groups, and 3.6% to differences between local and commercial pigs. One hundred and ninety eight alleles were identified and apart from the Large White breed, all GG presented Hardy-Weinberg Equilibrium deviations for some loci. The total and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Animal genetics resources; Genetic variability; Microsatellites loci; Sus Scrofa. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011000800010 |
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