AI Article Synopsis
- Oilseed rape is a key oil crop, and improving its seed yield (SY) is a primary goal in breeding efforts, backed by genetic research.
- A genome-wide association study (GWAS) identified 1,773 significant single-nucleotide polymorphisms (SNPs) related to SY from a panel of 403 natural accessions.
- Two candidate genes linked to SY were identified, offering insights for future breeding of high-yield cultivars in oilseed rape.
Article Abstract
Unlabelled: Oilseed rape ( L.) is one of the most essential oil crops. Genetic improvement of seed yield (SY) is a major aim of breeding. Several studies have been reported on the genetic mechanisms of SY of Here, a genome-wide association study (GWAS) of SY was conducted using a panel of 403 natural accessions of , with more than five million high-quality single-nucleotide polymorphisms (SNPs). A total of 1773 significant SNPs were detected associated with SY, and 783 significant SNPs were co-located with previously reported QTLs. The lead SNPs chrA01__8920351 and chrA02__4555979 were jointly detected in Trial 2_2 and Trial 2_mean value, and in Trial 1_2 and Trial 1_mean value, respectively. Subsequently, two candidate genes of and were identified through combining transcriptome, candidate gene association analysis, and haplotype analysis. detected through lead SNP chrA09__5160639 was associated with SY of . Our results provide valuable information for studying the genetic control of seed yield in and valuable genes, haplotypes, and cultivars resources for the breeding of high seed yield cultivars.
Supplementary Information: The online version contains supplementary material available at 10.1007/s11032-022-01332-6.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10248642 | PMC |
| http://dx.doi.org/10.1007/s11032-022-01332-6 | DOI Listing |
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