Associação de marcadores moleculares SNP com o conteúdo de ácido linolênico em sementes de soja

Marcos de Oliveira Pinto; Pedro Ivo Vieira Good‑God; Maurílio Alves Moreira; Everaldo Gonçalves de Barros

doi:10.1590/S1678-3921.pab2013.v48.13158

Association of SNP markers with the linolenic acid content in soybean seeds

Authors

Marcos de Oliveira Pinto Embrapa Milho e Sorgo
Pedro Ivo Vieira Good‑God Federal University of Viçosa
Maurílio Alves Moreira UFV, Departamento de Bioquímica e Biologia Molecular
Everaldo Gonçalves de Barros Federal University of Viçosa

DOI:

https://doi.org/10.1590/S1678-3921.pab2013.v48.13158

Keywords:

Glycine max, FAD3A, FAD3B, FAD3C, 18, 3, allelic replacement.

Abstract

The objective of this work was to validate the association of single nucleotide polymorphism (SNP) markers for the genes FAD3A, FAD3B, and FAD3C with the linolenic acid content (18:3) in soybean seeds and to analyze the influence of the genetic parameters of these markers on this trait. One hundred and eighty‑five F2 progenies derived from a cross between A29 (mutant for the three FAD3 genes, 1% 18:3 content) and Tucunaré (wild‑type genotype, 11% 18:3 content) were genotyped. The molecular markers for genes FAD3A, FAD3B, and FAD3C explained the variations in 18:3 content of the F2 and F2:3 segregating populations. In addition, allelic substitutions in the FAD3A locus provide greater variations in 18:3 content than substitutions in the other two loci.

Author Biography

Everaldo Gonçalves de Barros, Federal University of Viçosa

Departamento de Biologia Geral
Instituto de Biotecnologia Aplicada à Agropecuária - BIOAGRO
Genética Molecular de Plantas

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PDF (Portuguese (Brazil))

Published

2013-06-06

Issue

v.48, n.3, mar. 2013

Section

GENETICS

How to Cite

Pinto, M. de O., Good‑God, P. I. V., Moreira, M. A., & de Barros, E. G. (2013). Association of SNP markers with the linolenic acid content in soybean seeds. Pesquisa Agropecuaria Brasileira, 48(3), 263-269. https://doi.org/10.1590/S1678-3921.pab2013.v48.13158

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