Quantitative trait loci controlling sulfur containing amino acids, methionine and cysteine, in soybean seeds

Quantitative trait loci controlling sulfur containing amino acids, methionine and cysteine, in soybean seeds

Soybean [Glycine max (L.) Merr.] is the single largest source of protein in animal feed. However, a major limitation of soy proteins is their deficiency in sulfur-containing amino acids, methionine (Met) and cysteine (Cys). The objective of this study was to identify quantitative trait loci (QTL) as...

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Veröffentlicht in:Theoretical and applied genetics 2006-02, Vol.112 (3), p.546-553
Hauptverfasser: PANTHEE, D. R, PANTALONE, V. R, SAMS, C. E, SAXTON, A. M, WEST, D. R, ORF, J. H, KILLAM, A. S
Format: Artikel
Sprache:eng
Schlagworte:
Amino Acids - analysis
Amino Acids - chemistry
Analysis of Variance
Biological and medical sciences
Chromosome Mapping
Chromosomes, Plant
Classical genetics, quantitative genetics, hybrids
Crosses, Genetic
Cysteine - analysis
Cysteine - chemistry
DNA, Plant
Fundamental and applied biological sciences. Psychology
Genetic Linkage
Genetic Markers
Genetic Variation
Genetics
Genetics of eukaryotes. Biological and molecular evolution
Genomics
Glycine max
Glycine max - genetics
Lod Score
Methionine - analysis
Methionine - chemistry
Microsatellite Repeats
Polymorphism, Genetic
Pteridophyta, spermatophyta
Quantitative Trait Loci
Recombination, Genetic
Seeds - chemistry
Seeds - genetics
Spectroscopy, Near-Infrared
Vegetals
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Zusammenfassung:Soybean [Glycine max (L.) Merr.] is the single largest source of protein in animal feed. However, a major limitation of soy proteins is their deficiency in sulfur-containing amino acids, methionine (Met) and cysteine (Cys). The objective of this study was to identify quantitative trait loci (QTL) associated with Met and Cys concentration in soybean seed. To achieve this objective, 101 F(6)-derived recombinant inbred lines (RIL) from a population developed from a cross of N87-984-16 x TN93-99 were used. Ground soybean seed samples were analyzed for Met and Cys concentration using a near infrared spectroscopy instrument. Data were analyzed using SAS software and QTL Cartographer. RIL differed (P
ISSN:0040-5752
1432-2242
DOI:10.1007/s00122-005-0161-6