ArticlePlant physiology2012
Arabidopsis RTE1 is essential to ethylene receptor ETR1 amino-terminal signaling independent of CTR1.
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 30 papers.
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30 citing papers in PubMed, 64 citations in OpenAlex.
- Regulatory Mechanisms of Bud Dormancy: Environmental, Hormonal, and Genetic Perspectives.International journal of molecular sciences · 2025Review
- Ethylene, a Signaling Compound Involved in Seed Germination and Dormancy.Plants (Basel, Switzerland) · 2024Review
- Ethylene signaling in plants.The Journal of biological chemistry · 2020Review
- Uncertainty of EIN2Plant communications · 2020Article
- Histidine kinase MHZ1/OsHK1 interacts with ethylene receptors to regulate root growth in rice.Nature communications · 2020Article
- Article
- Hormonal Orchestration of Bud Dormancy Cycle in Deciduous Woody Perennials.Frontiers in plant science · 2019Review
- Identification of Transcriptional and Receptor Networks That Control Root Responses to Ethylene.Plant physiology · 2018Article
- Ethylene Receptors Signal via a Noncanonical Pathway to Regulate Abscisic Acid Responses.Plant physiology · 2018Article
- Ethylene Role in Plant Growth, Development and Senescence: Interaction with Other Phytohormones.Frontiers in plant science · 2017Review
- Analysis of Network Topologies Underlying Ethylene Growth Response Kinetics.Frontiers in plant science · 2016Article
- Comprehensive Analysis of ABA Effects on Ethylene Biosynthesis and Signaling during Tomato Fruit Ripening.PloS one · 2016Article
- NMR Study Reveals the Receiver Domain of Arabidopsis ETHYLENE RESPONSE1 Ethylene Receptor as an Atypical Type Response Regulator.PloS one · 2016Article
- An Ancestral Role for CONSTITUTIVE TRIPLE RESPONSE1 Proteins in Both Ethylene and Abscisic Acid Signaling.Plant physiology · 2015Article
- Mechanistic Insights in Ethylene Perception and Signal Transduction.Plant physiology · 2015Review
- Identification of Regions in the Receiver Domain of the ETHYLENE RESPONSE1 Ethylene Receptor of Arabidopsis Important for Functional Divergence.Plant physiology · 2015Article
- Tobacco Translationally Controlled Tumor Protein Interacts with Ethylene Receptor Tobacco Histidine Kinase1 and Enhances Plant Growth through Promotion of Cell Proliferation.Plant physiology · 2015Article
- HYPER RECOMBINATION1 of the THO/TREX complex plays a role in controlling transcription of the REVERSION-TO-ETHYLENE SENSITIVITY1 gene in Arabidopsis.PLoS genetics · 2015Article
- Structural model of the cytosolic domain of the plant ethylene receptor 1 (ETR1).The Journal of biological chemistry · 2015Article
- Transcriptomic analysis of fruit stored under cold conditions using controlled atmosphere in Prunus persica cv. "Red Pearl".Frontiers in plant science · 2015Article
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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
The Arabidopsis (Arabidopsis thaliana) ethylene receptor Ethylene Response1 (ETR1) can mediate the receptor signal output via its carboxyl terminus interacting with the amino (N) terminus of Constitutive Triple Response1 (CTR1) or via its N terminus (etr1¹⁻³⁴⁹ or the dominant ethylene-insensitive etr1-1¹⁻³⁴⁹) by an unknown mechanism. Given that CTR1 is essential to ethylene receptor signaling and that overexpression of Reversion To Ethylene Sensitivity1 (RTE1) promotes ETR1 N-terminal signaling, we evaluated the roles of CTR1 and RTE1 in ETR1 N-terminal signaling. The mutant phenotype of ctr1-1 and ctr1-2 was suppressed in part by the transgenes etr1¹⁻³⁴⁹ and etr1-1¹⁻³⁴⁹, with etr1-1 conferring ethylene insensitivity. Coexpression of 35S:RTE1 and etr1¹⁻³⁴⁹ conferred ethylene insensitivity in ctr1-1, whereas suppression of the ctr1-1 phenotype by etr1¹⁻³⁴⁹ was prevented by rte1-2. Thus, RTE1 was essential to ETR1 N-terminal signaling independent of the CTR1 pathway. An excess amount of the CTR1 N terminus CTR1⁷⁻⁵⁶⁰ prevented ethylene receptor signaling, and the CTR1⁷⁻⁵⁶⁰ overexpressor CTR1-Nox showed a constitutive ethylene response phenotype. Expression of the ETR1 N terminus suppressed the CTR1-Nox phenotype. etr1¹⁻³⁴⁹ restored the ethylene insensitivity conferred by dominant receptor mutant alleles in the ctr1-1 background. Therefore, ETR1 N-terminal signaling was not mediated by full-length ethylene receptors; rather, full-length ethylene receptors acted cooperatively with the ETR1 N terminus to mediate the receptor signal independent of CTR1. ETR1 N-terminal signaling may involve RTE1, receptor cooperation, and negative regulation by the ETR1 carboxyl terminus.
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