ArticlePlant physiology2013
Maize LAZY1 mediates shoot gravitropism and inflorescence development through regulating auxin transport, auxin signaling, and light response.
Article in Plant physiology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 81 papers.
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Who cites it
81 citing papers in PubMed, 174 citations in OpenAlex.
- Maize STEM BENDING1 controls plant architecture through cell wall and auxin pathways.Advanced biotechnology · 2026Article
- Evolutionary origin of a new gene drives root growth in one desert poplar.The New phytologist · 2026Article
- Functional characterization of Acyl-CoA Synthase 1 in tomato branch angle development.BMC plant biology · 2026Article
- Deciphering the Protein Phosphorylation Dynamics Triggered by Seconds of Force Stimulation.Molecular & cellular proteomics : MCP · 2026Article
- Imperative roles of auxin signaling in reprogramming of drought tolerance in plants.Plant cell reports · 2026Review
- Gravitropic Gene Expression Divergence Associated With Adaptation to Contrasting Environments in an Australian Wildflower.Molecular ecology · 2025Article
- Exploring plant responses to altered gravity for advancing space agriculture.Plant communications · 2025Review
- Branching angles in the modulation of plant architecture: Molecular mechanisms, dynamic regulation, and evolution.Plant communications · 2025Review
- Article
- The transcription factor NF-YA10 determines the area explored by Arabidopsis thaliana roots and directly regulates LAZY genes.The Plant journal : for cell and molecular biology · 2025Article
- Application of Image-Based Phenotyping for QTL Identification of Tiller Angle in Rice (Plants (Basel, Switzerland) · 2024Article
- Article
- Defying gravity: WEEP promotes negative gravitropism in peach trees by establishing asymmetric auxin gradients.Plant physiology · 2024Article
- Article
- IGT/LAZY genes are differentially influenced by light and required for light-induced change to organ angle.BMC biology · 2024Article
- Genome-wide identification of peanut IGT family genes and their potential roles in the development of plant architecture.Scientific reports · 2023Article
- Article
- Photoperiod and gravistimulation-associated Tiller Angle Control 1 modulates dynamic changes in rice plant architecture.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Identification ofPhysiology and molecular biology of plants : an international journal of functional plant biology · 2023Article
- Restructuring plant types for developing tailor-made crops.Plant biotechnology journal · 2023Review
21 more citing papers are in PubMed but not listed here.
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Authors and funding
12 authors at 6 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Auxin is a plant hormone that plays key roles in both shoot gravitropism and inflorescence development. However, these two processes appear to be parallel and to be regulated by distinct players. Here, we report that the maize (Zea mays) prostrate stem1 mutant, which is allelic to the classic mutant lazy plant1 (la1), displays prostrate growth with reduced shoot gravitropism and defective inflorescence development. Map-based cloning identified maize ZmLA1 as the functional ortholog of LAZY1 in rice (Oryza sativa) and Arabidopsis (Arabidopsis thaliana). It has a unique role in inflorescence development and displays enriched expression in reproductive organs such as tassels and ears. Transcription of ZmLA1 responds to auxin and is repressed by light. Furthermore, ZmLA1 physically interacts with a putative auxin transport regulator in the plasma membrane and a putative auxin signaling protein in the nucleus. RNA-SEQ data showed that dozens of auxin transport, auxin response, and light signaling genes were differentially expressed in la1 mutant stems. Therefore, ZmLA1 might mediate the cross talk between shoot gravitropism and inflorescence development by regulating auxin transport, auxin signaling, and probably light response in maize.
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