Dear Editor,Rapeseed(Brassica napus,canola)is the second-most widely cultivated oil crop globally and the most extensively cultivated oil crop in China(Gu et al.,2024).Recently,a development strategy was proposed to e...Dear Editor,Rapeseed(Brassica napus,canola)is the second-most widely cultivated oil crop globally and the most extensively cultivated oil crop in China(Gu et al.,2024).Recently,a development strategy was proposed to explore the potential multifunctional value of rapeseed,which can be used for edible oil,vegetables,fodder,honey,fertilizer,and as a sightseeing attraction(Wang,2018).In rapeseed,shoot branching contributes significantly to fresh shoot production,biomass,and seed yield,thereby increasing its overall value.However,breeders have very limited access to distinct,highly branched germplasm and its underlying genes.BRANCHED1/TEOSINTE BRANCHED1(BRC1/TB1),a conserved TEOSINTE BRANCHED1/CYCLOIDEA/PROLIFERATING CELL FACTOR(TCP)transcription factor in plants,regulates shoot branching via the integration of multiple bud outgrowth regulatory pathways(Barbier et al.,2019).Given the negative regulation of shoot branching by BRC1/TB1(Wang et al.,2019),we hypothesized disrupting all BRC1 orthologs in rapeseed would generate novel,highly branched germplasm.展开更多
基金supported by grants from the National Natural Science Foundation of China(U22A20477 and 32172028).
文摘Dear Editor,Rapeseed(Brassica napus,canola)is the second-most widely cultivated oil crop globally and the most extensively cultivated oil crop in China(Gu et al.,2024).Recently,a development strategy was proposed to explore the potential multifunctional value of rapeseed,which can be used for edible oil,vegetables,fodder,honey,fertilizer,and as a sightseeing attraction(Wang,2018).In rapeseed,shoot branching contributes significantly to fresh shoot production,biomass,and seed yield,thereby increasing its overall value.However,breeders have very limited access to distinct,highly branched germplasm and its underlying genes.BRANCHED1/TEOSINTE BRANCHED1(BRC1/TB1),a conserved TEOSINTE BRANCHED1/CYCLOIDEA/PROLIFERATING CELL FACTOR(TCP)transcription factor in plants,regulates shoot branching via the integration of multiple bud outgrowth regulatory pathways(Barbier et al.,2019).Given the negative regulation of shoot branching by BRC1/TB1(Wang et al.,2019),we hypothesized disrupting all BRC1 orthologs in rapeseed would generate novel,highly branched germplasm.
