2009
DOI: 10.1590/s1516-35982009001300008
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Marcadores SNP: conceitos básicos, aplicações no manejo e no melhoramento animal e perspectivas para o futuro

Abstract: RESUMO -Os primeiros estudos de identificação, caracterização e utilização de marcadores moleculares para a caracterização de recursos genéticos e geração de ferramentas para o melhoramento animal datam do final da década de 80. Nos últimos 20 anos as tecnologias para geração de dados moleculares passaram por vários ciclos de renovação. A última onda de inovações tecnológicas representa uma verdadeira revolução e trouxe metodologias para identificar e genotipar marcadores SNP (do inglês Single Nucleotide Polim… Show more

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Cited by 30 publications
(15 citation statements)
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“…The first studies with molecular markers to aid in animal breeding date from the end of the 1980s, and the obtained results, based on a few markers and high-cost techniques, were inconsistent regarding the efficiency and viability of using genomic data for animal production (Caetano, 2009). However, the association of technologies to fabricate DNA microarrays with molecular methods developed to genotype single nucleotide polymorphisms (SNPs) lead to the development of panels with thousands of markers, allowing an extensive evaluation of the genome in a fraction of the time and cost required by previous methodologies (Caetano, 2009;Silva et al, 2015).…”
Section: Introductionmentioning
confidence: 99%
“…The first studies with molecular markers to aid in animal breeding date from the end of the 1980s, and the obtained results, based on a few markers and high-cost techniques, were inconsistent regarding the efficiency and viability of using genomic data for animal production (Caetano, 2009). However, the association of technologies to fabricate DNA microarrays with molecular methods developed to genotype single nucleotide polymorphisms (SNPs) lead to the development of panels with thousands of markers, allowing an extensive evaluation of the genome in a fraction of the time and cost required by previous methodologies (Caetano, 2009;Silva et al, 2015).…”
Section: Introductionmentioning
confidence: 99%
“…A substituição mais frequente é por transição entre as bases purinas adenina e guanina, ou entre as bases pirimidinas citosina e timina, e, com uma incidência menor, ocorrem as transversões por troca de uma purina por uma pirimidina. Os SNPs, ao contrário dos STRs, podem ser encontrados em regiões codificadoras, mas sua grande maioria se acha nos espaços intergênicos, ou seja, sem função determinada 12 .…”
Section: Conforme Chenunclassified
“…The direct application of molecular techniques has allowed the detection of SNPs (single nucleotide polymorphisms), a type of polymorphism that is characteristically abundant in the bovine genome, as evidenced in researches of genotypephenotype association to observe genotypic variations related to phenotypic characteristics (Andréa et al, 2007;de Souza et al, 2007;Carrijo et al, 2008;Caetano, 2009;Curi et al, 2009).…”
Section: Introductionmentioning
confidence: 99%