ArticlePlant physiology2013
Gibberellin 3-oxidase gene expression patterns influence gibberellin biosynthesis, growth, and development in pea.
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 52 papers.
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Who cites it
52 citing papers in PubMed, 150 citations in OpenAlex.
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- PpBRC1 negatively regulates branching via modulating GA signal transduction gene PpGID1b in peach (Prunus persica).Plant cell reports · 2026Article
- Effect of alone & combined application of benzylaminopurine and gibberellic acid on in-vitro germination and growth rate of broccoli.BMC plant biology · 2026Article
- Holistic overview of regulatory networks governing seed dormancy and germination in plants.Science China. Life sciences · 2026Review
- Genotyping ofPlants (Basel, Switzerland) · 2025Article
- Multiomics analysis of gibberellin involved in far-red light-regulated internode elongation in cucumber seedlings.Plant cell reports · 2025Article
- Vernalization of Winter Crops Increases Photosynthetic Energy Conversion Efficiency and Seed Yield.Plants (Basel, Switzerland) · 2025Review
- Pan-genomic analysis highlights genes associated with agronomic traits and enhances genomics-assisted breeding in alfalfa.Nature genetics · 2025Article
- Inflorescence development in female cannabis plants is mediated by photoperiod and gibberellin.Horticulture research · 2024Article
- A LBD transcription factor from moso bamboo, PheLBD12, regulates plant height in transgenic rice.Plant molecular biology · 2024Article
- Plant Hormone Pathway Is Involved in Regulating the Embryo Development Mechanism of theInternational journal of molecular sciences · 2024Article
- Chitosan-GSNO Nanoparticles and Silicon Priming Enhance the Germination and Seedling Growth of Soybean (Plants (Basel, Switzerland) · 2024Article
- OsNAC120 balances plant growth and drought tolerance by integrating GA and ABA signaling in rice.Plant communications · 2024Article
- Physiological and molecular bases of the boron deficiency response in tomatoes.Horticulture research · 2023Article
- The determination of peanut (Arachis hypogaea L.) pod-sizes during the rapid-growth stage by phytohormones.BMC plant biology · 2023Article
- Internode Length Is Correlated with GAPlants (Basel, Switzerland) · 2023Article
- Article
- Transcriptome-Based Construction of the Gibberellin Metabolism and Signaling Pathways inInternational journal of molecular sciences · 2023Article
- DWARF AND ROBUST PLANT regulates plant height via modulating gibberellin biosynthesis in chrysanthemum.Plant physiology · 2022Article
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Authors and funding
7 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Gibberellins (GAs) are key modulators of plant growth and development. PsGA3ox1 (LE) encodes a GA 3β-hydroxylase that catalyzes the conversion of GA20 to biologically active GA1. To further clarify the role of GA3ox expression during pea (Pisum sativum) plant growth and development, we generated transgenic pea lines (in a lele background) with cauliflower mosaic virus-35S-driven expression of PsGA3ox1 (LE). PsGA3ox1 transgene expression led to higher GA1 concentrations in a tissue-specific and development-specific manner, altering GA biosynthesis and catabolism gene expression and plant phenotype. PsGA3ox1 transgenic plants had longer internodes, tendrils, and fruits, larger stipules, and displayed delayed flowering, increased apical meristem life, and altered vascular development relative to the null controls. Transgenic PsGA3ox1 overexpression lines were then compared with lines where endogenous PsGA3ox1 (LE) was introduced, by a series of backcrosses, into the same genetic background (BC LEle). Most notably, the BC LEle plants had substantially longer internodes containing much greater GA1 levels than the transgenic PsGA3ox1 plants. Induction of expression of the GA deactivation gene PsGA2ox1 appears to make an important contribution to limiting the increase of internode GA1 to modest levels for the transgenic lines. In contrast, PsGA3ox1 (LE) expression driven by its endogenous promoter was coordinated within the internode tissue to avoid feed-forward regulation of PsGA2ox1, resulting in much greater GA1 accumulation. These studies further our fundamental understanding of the regulation of GA biosynthesis and catabolism at the tissue and organ level and demonstrate that the timing/localization of GA3ox expression within an organ affects both GA homeostasis and GA1 levels, and thereby growth.
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