A major QTL on chromosome C05 significantly reduces acid detergent lignin (ADL) content and increases seed oil and protein content in oilseed rape (Brassica napus L.)

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik
Nina BehnkeChristian Möllers

Abstract

A reduction in acid detergent lignin content in oilseed rape resulted in an increase in seed oil and protein content. Worldwide increasing demand for vegetable oil and protein requires continuous breeding efforts to enhance the yield of oil and protein crop species. The oil-extracted meal of oilseed rape is currently mainly used for feeding livestock, but efforts are undertaken to use the oilseed rape protein in food production. One limiting factor is the high lignin content of black-seeded oilseed rape that negatively affects digestibility and sensory quality of food products compared to soybean. Breeding attempts to develop yellow seeded oilseed rape with reduced lignin content have not yet resulted in competitive cultivars. The objective of this work was to investigate the inheritance of seed quality in a DH population derived from the cross of the high oil lines SGDH14 and cv. Express. The DH population of 139 lines was tested in field experiments in 14 environments in north-west Europe. Seeds harvested from open pollinated plants were used for extensive seed quality analysis. A molecular marker map based on the Illumina Infinium 60 K Brassica SNP chip was used to map QTL. Amongst others, one major QTL for acid detergent li...Continue Reading

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Citations

Mar 5, 2019·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Liyun MiaoMaoteng Li
May 16, 2020·Frontiers in Plant Science·HueyTyng LeeRod Snowdon
Jan 28, 2022·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Hongbo ChaoMaoteng Li

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Methods Mentioned

BETA
chip
genotyping
RNAseq

Software Mentioned

JoinMap
PLABSTAT
BLAST
GenomeStudio
WinISI II
WinQTLCart
WinQTL Cartographer
QTL Network

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