ArticleBMC genomics2017
Synteny analysis of genes and distribution of loci controlling oil content and fatty acid profile based on QTL alignment map in Brassica napus.
Article in BMC genomics, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 25 citations in OpenAlex.
- A rare dominant alleleScience advances · 2025Article
- Integrating QTL mapping and transcriptomics to decipher the genetic architecture of sterol metabolism inHorticulture research · 2024Article
- 3D genome structural variations play important roles in regulating seed oil content of Brassica napus.Plant communications · 2024Article
- Lipid Metabolism and Improvement in Oilseed Crops: Recent Advances in Multi-Omics Studies.Metabolites · 2023Review
- Transcriptome and Regional Association Analyses Reveal the Effects of Oleosin Genes on the Accumulation of Oil Content inPlants (Basel, Switzerland) · 2022Article
- Further insight into decreases in seed glucosinolate content based on QTL mapping and RNA-seq in Brassica napus L.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- A major yellow-seed QTL on chromosome A09 significantly increases the oil content and reduces the fiber content of seed in Brassica napus.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Construction of a Quantitative Genomic Map, Identification and Expression Analysis of Candidate Genes for Agronomic and Disease-Related Traits inFrontiers in plant science · 2022Article
- Genetic dissection of thousand-seed weight and fine mapping of cqSW.A03-2 via linkage and association analysis in rapeseed (Brassica napus L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2020Article
- Genomic Characterization of WRKY Transcription Factors Related to Andrographolide Biosynthesis inFrontiers in genetics · 2020Article
- QTL Mapping for Seed Germination Response to Drought Stress inFrontiers in plant science · 2020Article
- QTL Alignment for Seed Yield and Yield Related Traits inFrontiers in plant science · 2018Article
- QTL Landscape for Oil Content inFrontiers in plant science · 2018Article
Corrections and comments
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Authors and funding
9 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundDeciphering the genetic architecture of a species is a good way to understand its evolutionary history, but also to tailor its profile for breeding elite cultivars with desirable traits. Aligning QTLs from diverse population in one map and utilizing it for comparison, but also as a basis for multiple analyses assure a stronger evidence to understand the genetic system related to a given phenotype.
resultsIn this study, 439 genes involved in fatty acid (FA) and triacylglycerol (TAG) biosyntheses were identified in Brassica napus. B. napus genome showed mixed gene loss and insertion compared to B. rapa and B. oleracea, and C genome had more inserted genes. Identified QTLs for oil (OC-QTLs) and fatty acids (FA-QTLs) from nine reported populations were projected on the physical map of the reference genome "Darmor-bzh" to generate a map. Thus, 335 FA-QTLs and OC-QTLs could be highlighted and 82 QTLs were overlapping. Chromosome C3 contained 22 overlapping QTLs with all trait studied except for C18:3. In total, 218 candidate genes which were potentially involved in FA and TAG were identified in 162 QTLs confidence intervals and some of them might affect many traits. Also, 76 among these candidate genes were found inside 57 overlapping QTLs, and candidate genes for oil content were in majority (61/76 genes). Then, sixteen genes were found in overlapping QTLs involving three populations, and the remaining 60 genes were found in overlapping QTLs of two populations. Interaction network and pathway analysis of these candidate genes indicated ten genes that might have strong influence over the other genes that control fatty acids and oil formation.
conclusionThe present results provided new information for genetic basis of FA and TAG formation in B. napus. A map including QTLs from numerous populations was built, which could serve as reference to study the genome profile of B. napus, and new potential genes emerged which might affect seed oil. New useful tracks were showed for the selection of population or/and selection of interesting genes for breeding improvement purpose.
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