ArticleJournal of experimental botany2017
The ratio of red light to far red light alters Arabidopsis axillary bud growth and abscisic acid signalling before stem auxin changes.
Article in Journal of experimental botany, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers.
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37 citing papers in PubMed, 63 citations in OpenAlex.
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- Jujube witches' broom phytoplasmas inhibit ZjBRC1-mediated abscisic acid metabolism to induce shoot proliferation.Horticulture research · 2023Article
- Lessons from a century of apical dominance research.Journal of experimental botany · 2023Article
- HY5 functions as a systemic signal by integrating BRC1-dependent hormone signaling in tomato bud outgrowth.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- Abscisic acid modulates neighbor proximity-induced leaf hyponasty in Arabidopsis.Plant physiology · 2023Article
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- Plasticity of bud outgrowth varies at cauline and rosette nodes in Arabidopsis thaliana.Plant physiology · 2022Article
- Cyclanilide Induces Lateral Bud Outgrowth by Modulating Cytokinin Biosynthesis and Signalling Pathways in Apple Identified via Transcriptome Analysis.International journal of molecular sciences · 2022Article
- Low red/far-red ratio can induce cytokinin degradation resulting in the inhibition of tillering in wheat (Frontiers in plant science · 2022Article
- Low red to far-red light ratio promotes salt tolerance by improving leaf photosynthetic capacity in cucumber.Frontiers in plant science · 2022Article
- Improving photosynthesis to increase grain yield potential: an analysis of maize hybrids released in different years in China.Photosynthesis research · 2021Article
- Decapitation Experiments Combined with the Transcriptome Analysis Reveal the Mechanism of High Temperature on Chrysanthemum Axillary Bud Formation.International journal of molecular sciences · 2021Article
- New field wind manipulation methodology reveals adaptive responses of steppe plants to increased and reduced wind speed.Plant methods · 2021Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Arabidopsis thaliana shoot branching is inhibited by a low red light to far red light ratio (R:FR, an indicator of competition), and by loss of phytochrome B function. Prior studies have shown that phytochrome B deficiency suppresses bud growth by elevating systemic auxin signalling, and that increasing the R:FR promotes the growth of buds suppressed by low R:FR by inhibiting bud abscisic acid (ABA) accumulation and signalling. Here, systemic auxin signalling and bud ABA signalling were examined in the context of rapid bud responses to an increased R:FR. Increasing the R:FR promoted the growth of buds inhibited by a low R:FR within 6 h. Relative to a low R:FR, bud ABA accumulation and signalling in plants given a high R:FR showed a sustained decline within 3 h, prior to increased growth. Main stem auxin levels and signalling showed a weak, transient response. Systemic effects and those localised to the bud were further examined by decapitating plants maintained either under a low R:FR or provided with a high R:FR. Increasing the R:FR promoted bud growth before decapitation, but decapitated plants eventually formed longer branches. The data suggest that rapid responses to an increased R:FR may be mediated by changes in bud ABA physiology, although systemic auxin signalling is necessary for sustained bud repression under a low R:FR.
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