ArticleScientific reports2020
Opposing influences of TAC1 and LAZY1 on Lateral Shoot Orientation in Arabidopsis.
Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.
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Who cites it
31 citing papers in PubMed, 69 citations in OpenAlex.
- Spatiotemporal Metabolome and Single-Nucleus Transcriptome Integration Illuminates an Auxin Gradient Orchestrated by NtTAC1 Underlying Leaf Angle Regulation in Tobacco.Plant biotechnology journal · 2026Article
- Functional characterization of Acyl-CoA Synthase 1 in tomato branch angle development.BMC plant biology · 2026Article
- Role of GhMyoVIII2 in regulating the fruit branch angle revealed by integrated bioinformatic, expression, and VIGS analyses in upland cotton.Functional & integrative genomics · 2026Article
- Elucidating the Genetic Basis of Columnar Upright Architecture in Populus Through CRISPR Disruption of TILLER ANGLE CONTROL1.Plant biotechnology journal · 2026Article
- Domestication of CSA1, a homolog of rice Tiller Angle Control 1, enhances shoot compactness and seed yield in soybean.Plant communications · 2026Article
- Developmental diversity in meristem organization: lessons from non-canonical plant body plans for biotechnology.Frontiers in plant science · 2026Review
- Branching angles in the modulation of plant architecture: Molecular mechanisms, dynamic regulation, and evolution.Plant communications · 2025Review
- Targeted mutagenesis and functional marker development of two Bna.TAC1s conferring novel rapeseed germplasm with compact architecture.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- 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
- Transcriptomics and Plant Hormone Analysis Reveal the Mechanism of Branching Angle Formation in Tea Plants (International journal of molecular sciences · 2025Article
- Cellular and physiological functions of SGR family in gravitropic response in higher plants.Journal of advanced research · 2025Review
- Peach (microPublication biology · 2025Article
- Genetic Basis of Tillering Angle from Other Plants to Wheat: Current Progress and Future Perspectives.Plants (Basel, Switzerland) · 2024Review
- Homoeologous exchanges contribute to branch angle variations in rapeseed: Insights from transcriptome, QTL-seq and gene functional analysis.Plant biotechnology journal · 2024Article
- IGT/LAZY genes are differentially influenced by light and required for light-induced change to organ angle.BMC biology · 2024Article
- Article
- Genome-wide identification of peanut IGT family genes and their potential roles in the development of plant architecture.Scientific reports · 2023Article
- A haplotype-resolved chromosome-scale genome for Quercus rubra L. provides insights into the genetics of adaptive traits for red oak species.G3 (Bethesda, Md.) · 2023Article
- 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
- Restructuring plant types for developing tailor-made crops.Plant biotechnology journal · 2023Review
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
TAC1 and LAZY1 are members of a gene family that regulates lateral shoot orientation in plants. TAC1 promotes outward orientations in response to light, while LAZY1 promotes upward shoot orientations in response to gravity via altered auxin transport. We performed genetic, molecular, and biochemical assays to investigate possible interactions between these genes. In Arabidopsis they were expressed in similar tissues and double mutants revealed the wide-angled lazy1 branch phenotype, indicating it is epistatic to the tac1 shoot phenotype. Surprisingly, the lack of TAC1 did not influence gravitropic shoot curvature responses. Combined, these results suggest TAC1 might negatively regulate LAZY1 to promote outward shoot orientations. However, additional results revealed that TAC1- and LAZY1 influence on shoot orientation is more complex than a simple direct negative regulatory pathway. Transcriptomes of Arabidopsis tac1 and lazy1 mutants compared to wild type under normal and gravistimulated conditions revealed few overlapping differentially expressed genes. Overexpression of each gene did not result in major branch angle differences. Shoot tip hormone levels were similar between tac1, lazy1, and Col, apart from exceptionally elevated levels of salicylic acid in lazy1. The data presented here provide a foundation for future study of TAC1 and LAZY1 regulation of shoot architecture.
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