ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2021
Regional association analysis coupled with transcriptome analyses reveal candidate genes affecting seed oil accumulation in Brassica napus.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed.
- Genome-wide association study and transcriptome analysis reveal natural variation of key genes regulation flowering time in rapeseed.Molecular breeding : new strategies in plant improvement · 2024Article
- Identification of environment-insensitive genes for oil content by combination of transcriptome and genome-wide association analysis in rapeseed.Biotechnology for biofuels and bioproducts · 2024Article
- Fine mapping and candidate gene analysis of a major QTL for oil content in the seed of Brassica napus.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- New insight into the genetic basis of oil content based on noninvasive three-dimensional phenotyping and tissue-specific transcriptome in Brassica napus.Biotechnology for biofuels and bioproducts · 2023Article
- Transcriptome and Regional Association Analyses Reveal the Effects of Oleosin Genes on the Accumulation of Oil Content inPlants (Basel, Switzerland) · 2022Article
- Regional association and transcriptome analysis revealed candidate genes controlling plant height inMolecular breeding : new strategies in plant improvement · 2022Article
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Authors and funding
14 authors.
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Abstract
key messageRegional association analysis of 50 re-sequenced Chinese semi-winter rapeseed accessions in combination with co-expression analysis reveal candidate genes affecting oil accumulation in Brassica napus. One of the breeding goals in rapeseed production is to enhance the seed oil content to cater to the increased demand for vegetable oils due to a growing global population. To investigate the genetic basis of variation in seed oil content, we used 60 K Brassica Infinium SNP array along with phenotype data of 203 Chinese semi-winter rapeseed accessions to perform a genome-wide analysis of haplotype blocks associated with the oil content. Nine haplotype regions harbouring lipid synthesis/transport-, carbohydrate metabolism- and photosynthesis-related genes were identified as significantly associated with the oil content and were mapped to chromosomes A02, A04, A05, A07, C03, C04, C05, C08 and C09, respectively. Regional association analysis of 50 re-sequenced Chinese semi-winter rapeseed accessions combined with transcriptome datasets from 13 accessions was further performed on these nine haplotype regions. This revealed natural variation in the BnTGD3-A02 and BnSSE1-A05 gene regions correlated with the phenotypic variation of the oil content within the A02 and A04 chromosome haplotype regions, respectively. Moreover, co-expression network analysis revealed that BnTGD3-A02 and BnSSE1-A05 were directly linked with fatty acid beta-oxidation-related gene BnKAT2-C04, thus forming a molecular network involved in the potential regulation of seed oil accumulation. The results of this study could be used to combine favourable haplotype alleles for further improvement of the seed oil content in rapeseed.
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