ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2020
BnA10.RCO, a homeobox gene, positively regulates leaf lobe formation in Brassica napus L.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 30 citations in OpenAlex.
- Uncovering the Secrets of How Plants Adapt to Water Stress.Plant, cell & environment · 2026Review
- Cloning and functional analysis of the lobed-leaf gene BjA10.LL in Brassica juncea L.Stress biology · 2026Article
- RsRCO and RsLMI1 co-regulate the formation of lobed leaf in radish (Raphanus sativus L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Homeodomain leucine zipper protein controls the lobed leaf formation by modulating auxin distribution in watermelon.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
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- A complex locus regulates highly lobed-leaf formation in Brassica juncea.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
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- Promoter variations in a homeobox gene, BrLMI1, contribute to leaf lobe formation in Brassica rapa ssp. chinensis Makino.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Article
- Fine mapping of qDB.A03, a QTL for rapeseed branching, and identification of the candidate gene.Molecular genetics and genomics : MGG · 2022Article
- Promoter variation in a homeobox gene, CpDll, is associated with deeply lobed leaf in Cucurbita pepo L.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- BoALG10, an α-1,2 glycosyltransferase, plays an essential role in maintaining leaf margin shape in ornamental kale.Horticulture research · 2022Article
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
Abstract
key messageBnA10.RCO positively regulates the development of leaf lobes in Brassica napus, and cis-regulatory divergences cause the different allele effects. The functional importance of lobed leaves in rapeseed (Brassica napus L.) has been identified with potential advantages for high-density planting and hybrid production. Our previous studies indicated that the tandemly duplicated LMI1-like genes BnA10. RCO and BnA10.LMI1 are candidate genes of an incompletely dominant locus, which is responsible for the lobed-leaf shape in rapeseed. We provided strong evidence that BnA10.LMI1 positively regulates leaf lobe formation. Here, we show that BnA10.RCO is a nucleus-specific protein, encoding an HD-ZIP I transcription factor, which is responsible for the lobed-leaf shape in rapeseed. Sequence analysis of parental alleles revealed that no vital sequence variation was detected in the coding sequence of BnA10.RCO, whereas abundant variations were identified in the regulatory regions. Consistent with this finding, the expression level of BnRCO was substantially elevated in the lobed-leaved parent HY compared with its near-isogenic line. Moreover, the altered expression of BnA10.RCO in transgenic lines showed a positive connection with leaf complexity without a substantial change in BnLMI1 transcript level. Furthermore, CRISPR/Cas9-induced null mutations of BnA10.RCO in the lobed-leaved parent HY were sufficient to produce an unlobed leaf without alteration in BnLMI1 transcript level. Our results indicate that BnA10.RCO functions together with BnA10.LMI1 to positively determine the lobed-leaf development, providing a fundamental basis for crop improvement by targeting leaf shape in rapeseed.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.