ArticlePlant physiology2011
Cytokinin interplay with ethylene, auxin, and glucose signaling controls Arabidopsis seedling root directional growth.
Article in Plant physiology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 46 papers.
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Who cites it
46 citing papers in PubMed, 137 citations in OpenAlex.
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- Extending cognition: a vegetal rejoinder to extensionless thought and to extended cognition.Plant signaling & behavior · 2024Article
- A predictive model for ethylene-mediated auxin and cytokinin patterning in the Arabidopsis root.Plant communications · 2024Article
- GmHXK2 promotes the salt tolerance of soybean seedlings by mediating AsA synthesis, and auxin synthesis and distribution.BMC plant biology · 2024Article
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- Genome-Wide Survey and Expression Analyses of Hexokinase Family in Poplar (Plants (Basel, Switzerland) · 2022Article
- Exploring the Contribution of Autophagy to the Excess-Sucrose Response inInternational journal of molecular sciences · 2022Article
- Plant defense: ARR11 response regulator as a potential player in Arabidopsis.Frontiers in plant science · 2022Article
- Sucrose interferes with endogenous cytokinin homeostasis and expression of organogenesis-related genes during de novo shoot organogenesis in kohlrabi.Scientific reports · 2021Article
- Mode of Action ofInternational journal of molecular sciences · 2021Article
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- Impairment in karrikin but not strigolactone sensing enhances root skewing in Arabidopsis thaliana.The Plant journal : for cell and molecular biology · 2019Article
- Autophagy regulates glucose-mediated root meristem activity by modulating ROS production in Arabidopsis.Autophagy · 2019Article
- The Coordination of Ethylene and Other Hormones in Primary Root Development.Frontiers in plant science · 2019Review
- Regulation of Root Angle and Gravitropism.G3 (Bethesda, Md.) · 2018Article
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- Actin Reorganization Triggers Rapid Cell Elongation in Roots.Plant physiology · 2018Article
- The Sugar-Signaling Hub: Overview of Regulators and Interaction with the Hormonal and Metabolic Network.International journal of molecular sciences · 2018Review
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
Abstract
Optimal root architecture is established by multiple intrinsic (e.g. hormones) and extrinsic (e.g. gravity and touch) signals and is established, in part, by directed root growth. We show that asymmetrical exposure of cytokinin (CK) at the root tip in Arabidopsis (Arabidopsis thaliana) promotes cell elongation that is potentiated by glucose in a hexokinase-influenced, G protein-independent manner. This mode of CK signaling requires the CK receptor, ARABIDOPSIS HISTIDINE KINASE4 and, at a minimum, its cognate type B ARABIDOPSIS RESPONSE REGULATORS ARR1, ARR10, and ARR11 for full responsiveness, while type A response regulators act redundantly to attenuate this CK response. Ethylene signaling through the ethylene receptor ETHYLENE RESISTANT1 and its downstream signaling element ETHYLENE INSENSITIVE2 are required for CK-induced root cell elongation. Negative and positive feedback loops are reinforced by CK regulation of the expression of the genes encoding these elements in both the CK and ethylene signaling pathways. Auxin transport facilitated by PIN-FORMED2 as well as auxin signaling through control of the steady-state level of transcriptional repressors INDOLE-3-ACETIC ACID7 (IAA7), IAA14, and IAA17 via TRANSPORT INHIBITOR RESPONSE1/AUXIN SIGNALING F-BOX PROTEIN are involved in CK-induced root cell elongation. This action lies downstream of ethylene and CK induction. Intrinsic signaling in this response operates independently of the extrinsic signal touch, although actin filament organization, which is important in the touch response, may be important for this response, since latrunculin B can induce similar growth. This root growth response may have adaptive significance, since CK responsiveness is inversely related to root coiling and waving, two root behaviors known to be important for fitness.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.