ArticlePlant physiology2021
DWARF53 interacts with transcription factors UB2/UB3/TSH4 to regulate maize tillering and tassel branching.
Article in Plant physiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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15 citing papers in PubMed, 43 citations in OpenAlex.
- Strigolactone-mediated architecture regulation and stress resilience: Insights and innovations for crop breeding.Journal of integrative plant biology · 2026Review
- Novel perpetual genetic population development and genome assembly of superior maize inbred lines provide insights into genetic improvement.BMC biology · 2025Article
- Decades' progress and prospects on maize functional genomics and molecular breeding.Science China. Life sciences · 2025Review
- Identification of the PLATZ gene family in Cucurbita pepo and functional analysis of CpPLATZ4 in powdery mildew stress response.Functional & integrative genomics · 2025Article
- Article
- ZmCCD8 regulates sugar and amino acid accumulation in maize kernels via strigolactone signalling.Plant biotechnology journal · 2025Article
- TaSPL6B, a member of the Squamosa promoter binding protein-like family, regulates shoot branching and florescence in Arabidopsis thaliana.BMC plant biology · 2024Article
- Genome-Wide Identification and Expression Analysis ofPlants (Basel, Switzerland) · 2024Article
- A transcription factor ZmGLK36 confers broad resistance to maize rough dwarf disease in cereal crops.Nature plants · 2023Article
- SlWRKY30 and SlWRKY81 synergistically modulate tomato immunity toHorticulture research · 2023Article
- Maize domestication phenotypes reveal strigolactone networks coordinating grain size evolution with kernel-bearing cupule architecture.The Plant cell · 2023Article
- UB2/UB3/TSH4-anchored transcriptional networks regulate early maize inflorescence development in response to simulated shade.The Plant cell · 2023Article
- Identification of QTLs and their candidate genes for the number of maize tassel branches in FFrontiers in plant science · 2023Article
- Molecular and functional dissection of LIGULELESS1 (LG1) in plants.Frontiers in plant science · 2023Review
- Article
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10 authors at 2 institutions in 1 country.
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Abstract
Strigolactones (SLs) are a recently identified class of phytohormones that regulate diverse developmental processes in land plants. However, the signaling mechanism of SLs in maize (Zea mays) remains largely unexplored. Here, we identified the maize gene DWARF 53 (ZmD53) and demonstrated that ZmD53 interacts with the SL receptors DWARF 14A/B (ZmD14A/B) in a rac-GR24-dependent manner. Transgenic maize plants expressing a gain-of-function mutant version of Zmd53 exhibited insensitivity to exogenous rac-GR24 treatment and a highly pleiotropic phenotype, including excess tillering and reduced tassel branching, indicating that ZmD53 functions as an authentic SL signaling repressor in maize. In addition, we showed that ZmD53 interacts with two homologous maize SPL transcription factors, UB3 and TSH4, and suppresses their transcriptional activation activity on TB1 to promote tillering. We also showed that UB2, UB3, and TSH4 can physically interact with each other and themselves, and that they can directly regulate the expression of TSH4, thus forming a positive feedback loop. Furthermore, we demonstrated that ZmD53 can repress the transcriptional activation activity of UB3 and TSH4 on their own promoters, thus decreasing tassel branch number. Our results reveal new insights into the integration of SL signaling and the miR156/SPL molecular module to coordinately regulate maize development.
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