ArticleMolecular genetics and genomics : MGG2018
Fine-mapping and candidate gene analysis of the Brassica juncea white-flowered mutant Bjpc2 using the whole-genome resequencing.
Article in Molecular genetics and genomics : MGG, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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16 citing papers in PubMed, 29 citations in OpenAlex.
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- The formation and evolution of flower coloration inFrontiers in genetics · 2024Review
- Integrated analysis of BSA-seq and RNA-seq identified the candidate genes for seed weight inFrontiers in plant science · 2024Article
- The mechanism of white flower formation in Brassica rapa is distinct from that in other Brassica species.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Flavonoid Synthesis-Related Genes Determine the Color of Flower Petals inInternational journal of molecular sciences · 2023Article
- Mapping a mutation causing pale yellow petals inmicroPublication biology · 2023Article
- Genetic mapping, transcriptomic sequencing and metabolic profiling indicated a glutathione S-transferase is responsible for the red-spot-petals in Gossypium arboreum.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Genetic and molecular analysis reveals that two major loci and their interaction confer clubroot resistance in canola introgressed from rutabaga.The plant genome · 2022Article
- Map-Based Cloning and Characterization ofFrontiers in plant science · 2022Article
- The Carotenoid Esterification GeneFrontiers in plant science · 2022Article
- Cytological Observations and Bulked-Segregant Analysis Coupled Global Genome Sequencing Reveal Two Genes Associated with Pollen Fertility in Tetraploid Rice.International journal of molecular sciences · 2021Article
- Induction of somatic embryogenesis inSaudi journal of biological sciences · 2021Article
- Fine Mapping and Candidate Gene Identification of a White Flower GeneFrontiers in plant science · 2021Article
- Fine mapping and candidate gene analysis of the white flower gene Brwf in Chinese cabbage (Brassica rapa L.).Scientific reports · 2020Article
- Construction of restorer lines and molecular mapping for restorer gene of hau cytoplasmic male sterility in Brassica napus.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2019Article
- Genome-Wide Association Study of Cadmium Accumulation at the Seedling Stage in Rapeseed (Frontiers in plant science · 2018Article
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12 authors at 1 institution in 1 country.
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Abstract
Flower color in Brassica spp. is an important trait and considered a major visual signal for insect-pollinated plants. In previous study, we isolated and identified two genes (BjPC1 and BjPC2) that control the flower color in B. juncea, and mapped BjPC1 to a 0.13-cM region. In this study, we report the fine-mapping and candidate analysis of BjPC2. We conducted whole-genome resequencing, using bulked segregant analysis (BSA) to determine the BjPC2 candidate intervals. Crossing, allelism testing, and repeated full-sib mating were used to generate XG3, a near isogenic line (NIL) population that segregated on the BjPC2 locus. Through a genome-wide comparison of single nucleotide polymorphism (SNP) profiles between the yellow- and white-flowered bulks, a candidate interval for BjPC2 was identified on chromosome B04 (2.45 Mb). The BjPC2 linkage map was constructed with the newly developed simple sequence repeat (SSR) markers in the candidate interval to narrow the candidate BjPC2 region to 31-kb. Expression profiling and RNA-seq analysis partially confirmed that the AtPES2 homolog, BjuB027334 is the most promising candidate gene for BjPC2. Furthermore, analyses with high pressure liquid chromatography and transmission electron microscopy demonstrated that BjPC2 might be important in xanthophyll esterification, a process that limits xanthophyll degradation and increases sequestration. Overall, we mapped the BjPC2 to a 31-kb region on the B04 in B. juncea and identified BjuB027334 as a valuable candidate gene. Our results provide a basis for understanding the molecular mechanisms underlying the white-flowered trait and for molecular marker-assisted selection of flower color in B. juncea breeding.
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