ArticlePlant physiology2012
Hypocotyl directional growth in Arabidopsis: a complex trait.
Article in Plant physiology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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Who cites it
21 citing papers in PubMed.
- Split-YFP-coupled interaction-dependent TurboID identifies new functions of basal cell polarity inProceedings of the National Academy of Sciences of the United States of America · 2025Article
- The protein kinases KIPK and KIPK-LIKE1 suppress overbending during negative hypocotyl gravitropic growth in Arabidopsis.The Plant cell · 2025Article
- The asymmetry engine: how plants harness asymmetries to shape their bodies.The New phytologist · 2025Review
- Brassinosteroids Render Cell Walls Softer but Less Extensible in Growing Arabidopsis Hypocotyls.Plants (Basel, Switzerland) · 2025Article
- Survival on land: A dark-grown seedling searching for path.Frontiers in plant science · 2023Article
- Brassinosteroids regulate petal spur length in Aquilegia by controlling cell elongation.Annals of botany · 2021Article
- The root meristem is shaped by brassinosteroid control of cell geometry.Nature plants · 2021Article
- Role of myo-inositol during skotomorphogenesis in Arabidopsis.Scientific reports · 2020Article
- Brassinosteroids and sucrose transport in mycorrhizal tomato plants.Plant signaling & behavior · 2020Article
- Involvement of BIG5 and BIG3 in BRI1 Trafficking Reveals Diverse Functions of BIG-subfamily ARF-GEFs in Plant Growth and Gravitropism.International journal of molecular sciences · 2019Article
- Arabidopsis RSS1 Mediates Cross-Talk Between Glucose and Light Signaling During Hypocotyl Elongation Growth.Scientific reports · 2017Article
- Dose-Duration Reciprocity for G protein activation: Modulation of kinase to substrate ratio alters cell signaling.PloS one · 2017Article
- Striking the Right Chord: Signaling Enigma during Root Gravitropism.Frontiers in plant science · 2017Review
- Activation ofFrontiers in plant science · 2016Article
- Multiple Interactions between Glucose and Brassinosteroid Signal Transduction Pathways in Arabidopsis Are Uncovered by Whole-Genome Transcriptional Profiling.Plant physiology · 2015Article
- Interaction between glucose and brassinosteroid during the regulation of lateral root development in Arabidopsis.Plant physiology · 2015Article
- Ethylene acts as a negative regulator of glucose induced lateral root emergence in Arabidopsis.Plant signaling & behavior · 2015Article
- A receptor-like protein mediates the response to pectin modification by activating brassinosteroid signaling.Proceedings of the National Academy of Sciences of the United States of America · 2014Article
- Glucose control of root growth direction in Arabidopsis thaliana.Journal of experimental botany · 2014Article
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Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
The growth direction of the Arabidopsis (Arabidopsis thaliana) etiolated-seedling hypocotyl is a complex trait that is controlled by extrinsic signals such as gravity and touch as well as intrinsic signals such as hormones (brassinosteroid [BR], auxin, cytokinin, ethylene) and nutrient status (glucose [Glc], sucrose). We used a genetic approach to identify the signaling elements and their relationship underlying hypocotyl growth direction. BR randomizes etiolated-seedling growth by inhibiting negative gravitropism of the hypocotyls via modulating auxin homeostasis for which we designate as reset, not to be confused with the gravity set point angle. Cytokinin signaling antagonizes this BR reset of gravity sensing and/or tropism by affecting ethylene biosynthesis/signaling. Glc also antagonizes BR reset but acts independently of cytokinin and ethylene signaling pathways via inhibiting BR-regulated gene expression quantitatively and spatially, by altering protein degradation, and by antagonizing BR-induced changes in microtubule organization and cell patterning associated with hypocotyl agravitropism. This BR reset is reduced in the presence of the microtubule organization inhibitor oryzalin, suggesting a central role for cytoskeleton reorganization. A unifying and hierarchical model of Glc and hormone signaling interplay is proposed. The biological significance of BR-mediated changes in hypocotyl graviresponse lies in the fact that BR signaling sensitizes the dark-grown seedling hypocotyl to the presence of obstacles, overriding gravitropism, to enable efficient circumnavigation through soil.
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Registered trials
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