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

被引：5
|
作者：
Pinto, Marcos de Oliveira [1 ]
Vieira Good-God, Pedro Ivo [2 ]
Moreira, Maurilio Alves [3 ]
de Barros, Everaldo Goncalves [4 ]
机构：
[1] Embrapa Milho & Sorgo, BR-35701970 Sete Lagoas, MG, Brazil
[2] UFV, BR-38810000 Rio Paranaiba, MG, Brazil
[3] Univ Fed Vicosa, Dept Bioquim & Biol Mol, BR-36570000 Vicosa, MG, Brazil
[4] Univ Fed Vicosa, Dept Biol Geral, BR-36570000 Vicosa, MG, Brazil
来源：
PESQUISA AGROPECUARIA BRASILEIRA | 2013年 / 48卷 / 03期
关键词：
Glycine max; FAD3A; FAD3B; FAD3C; 18:3; allelic replacement; FATTY-ACIDS; GENES; OIL; PERFORMANCE; PROTEIN; GMFAD3A; TRAIT;
D O I：
10.1590/S0100-204X2013000300004
中图分类号：
S [农业科学];
学科分类号：
09 ;
摘要：
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 F-2 progenies derived from a cross between A29 (mutant for the three FAD3 genes, 1% 18:3 content) and Tucunare (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 F-2 and F-2:3 segregating populations. In addition, allelic substitutions in the FAD3A locus provide greater variations in 18:3 content than substitutions in the other two loci.
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页码：263 / 269
页数：7
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