ArticlePlant cell reports2019
Three BnaIAA7 homologs are involved in auxin/brassinosteroid-mediated plant morphogenesis in rapeseed (Brassica napus L.).
Article in Plant cell reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.
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Who cites it
25 citing papers in PubMed, 44 citations in OpenAlex.
- Genetic regulation of stem elongation and thickening in ornamental plants: a review.Horticulture research · 2026Article
- The Auxin-Induced Protein Gene (MsARG4) Regulates Rapid Stem Elongation and Nutritional Quality Enhancement in Alfalfa.Plants (Basel, Switzerland) · 2026Article
- Brassinosteroid-mediated stress adaptation and signaling networks in Brassicaceae crops.Planta · 2026Review
- Genome-wide characterization of the TCP family in Lagerstroemia and functional analysis of LfiTCP12 uncover its role in shoot branching promotion.Plant cell reports · 2026Article
- GmAux/IAA16 exerts a positive regulatory role in enhancing low-phosphorus stress tolerance in plants.BMC plant biology · 2026Article
- QTL mapping and transcriptome analysis identified BnaA03.XTH4 as a novel negative regulator of plant height in Brassica napus L.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- A glycogen synthase kinase-3 gene enhances grain yield heterosis in semi-dwarf rapeseed.Plant molecular biology · 2025Article
- A gain-of-function mutation in BnaIAA13 disrupts vascular tissue and lateral root development in Brassica napus.Journal of experimental botany · 2024Article
- Exploring silique number in Brassica napus L.: Genetic and molecular advances for improving yield.Plant biotechnology journal · 2024Review
- Identification ofPeerJ · 2024Article
- Analysis of the Candidate Genes and Underlying Molecular Mechanism of P198, an RNAi-Related Dwarf and Sterile Line.International journal of molecular sciences · 2023Article
- Article
- Genome-wide identification of Brassicaceae histone modification genes and their responses to abiotic stresses in allotetraploid rapeseed.BMC plant biology · 2023Article
- Integrated genetic mapping and transcriptome analysis reveal the BnaA03.IAA7 protein regulates plant architecture and gibberellin signaling in Brassica napus L.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Genome-Wide Identification of Brassicaceae Hormone-Related Transcription Factors and Their Roles in Stress Adaptation and Plant Height Regulation in Allotetraploid Rapeseed.International journal of molecular sciences · 2022Article
- Combined BSA-Seq Based Mapping and RNA-Seq Profiling Reveal Candidate Genes Associated with Plant Architecture inInternational journal of molecular sciences · 2022Article
- Genome-wide association study reveals aFrontiers in plant science · 2022Article
- A Gain-of-Function Mutant of IAA7 Inhibits Stem Elongation by Transcriptional Repression ofInternational journal of molecular sciences · 2021Article
- Exogenous application of brassinosteroids regulates tobacco leaf size and expansion via modulation of endogenous hormones content and gene expression.Physiology and molecular biology of plants : an international journal of functional plant biology · 2021Article
- Overexpression of GmMYB14 improves high-density yield and drought tolerance of soybean through regulating plant architecture mediated by the brassinosteroid pathway.Plant biotechnology journal · 2021Article
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Authors and funding
14 authors at 3 institutions in 2 countries.
Funding
Abstract
key messageBnaIAA7 crosstalk with BR signaling is mediated by the interaction between BnaARF8 and BnaBZR1 to regulate rapeseed plant morphogenesis. Auxin (indole-3-acetic acid, IAA) and brassinosteroids (BRs) are essential regulators of plant morphogenesis. However, their roles in rapeseed have not been reported. Here, we identified an extremely dwarf1 (ed1) mutant of rapeseed that displays reduced stature, short hypocotyls, as well as wavy and curled leaves. We isolated ED1 by map-based cloning, and found that it encodes a protein homologous to AtIAA7. ED1 acts as a repressor of IAA signaling, and IAA induces its degradation through its degron motif. A genomic-synteny analysis revealed that ED1 has four homologs in rapeseed, but two were not expressed. Analyses of transcriptomes and of various mutant BnaIAA7s in transgenic plants revealed that the three expressed BnaIAA7 homologs had diverse expression patterns. ED1/BnaC05.IAA7 predominantly functioned in stem elongation, BnaA05.IAA7 was essential for reproduction, while BnaA03.IAA7 had the potential to reduce plant height. Physical interaction assays revealed that the three BnaIAA7 homologs interacted in different ways with BnaTIRs/AFBs and BnaARFs, which may regulate the development of specific organs. Furthermore, BnaARF8 could directly interact with the BnaIAA7s and BnaBZR1. We propose that BnaIAA7s interact with BR signaling via BnaARF8 and BnaBZR1 to regulate stem elongation 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.