ArticleThe Plant cell2022
Orchestration of ethylene and gibberellin signals determines primary root elongation in rice.
Article in The Plant cell, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.
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33 citing papers in PubMed, 69 citations in OpenAlex.
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- Calcium carbide and gibberellic acid co-application enhances drought resilience in papaya (Carica papaya L.) by modulating photosynthetic efficiency and stress markers.BMC plant biology · 2026Article
- The role of jasmonates in plant root growth and development.Frontiers in plant science · 2026Review
- OsSAE1 orchestrates the antagonistical regulation of gibberellin and abscisic acid signaling to control rice seed germination.Journal of integrative plant biology · 2026Article
- Gibberellin deficiency uncouples shoot and root growth in tomato and alters morphology and carbon allocation.Planta · 2025Article
- A MYB61-SWB9-KOs module regulates grain chalkiness via gibberellin biosynthesis in rice endosperm.Plant biotechnology journal · 2025Article
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- Ethylene Signaling in Regulating Plant Growth, Development, and Stress Responses.Plants (Basel, Switzerland) · 2025Review
- Adaptive Benefits of Antioxidant and Hormone Fluctuations inPlants (Basel, Switzerland) · 2025Article
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- Identification and Characterization of EIN3/EIL Transcription Factor Family Members inInternational journal of molecular sciences · 2024Article
- Research on the Mechanisms of Phytohormone Signaling in Regulating Root Development.Plants (Basel, Switzerland) · 2024Review
- Functional mechanism study of the allelochemical myrigalone A identifies a group of ultrapotent inhibitors of ethylene biosynthesis in plants.Plant communications · 2024Article
- The OsEIL1-OsWOX11 transcription factor module controls rice crown root development in response to soil compaction.The Plant cell · 2024Article
- The F-box protein RhSAF destabilizes the gibberellic acid receptor RhGID1 to mediate ethylene-induced petal senescence in rose.The Plant cell · 2024Article
- OsEIL1 and OsEIL2, two master regulators of rice ethylene signaling, promote the expression of ROS scavenging genes to facilitate coleoptile elongation and seedling emergence from soil.Plant communications · 2024Article
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Authors and funding
12 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Primary root growth in cereal crops is fundamental for early establishment of the seedling and grain yield. In young rice (Oryza sativa) seedlings, the primary root grows rapidly for 7-10 days after germination and then stops; however, the underlying mechanism determining primary root growth is unclear. Here, we report that the interplay of ethylene and gibberellin (GA) controls the orchestrated development of the primary root in young rice seedlings. Our analyses advance the knowledge that primary root growth is maintained by higher ethylene production, which lowers bioactive GA contents. Further investigations unraveled that ethylene signaling transcription factor ETHYLENE INSENSITIVE3-LIKE 1 (OsEIL1) activates the expression of the GA metabolism genes GIBBERELLIN 2-OXIDASE 1 (OsGA2ox1), OsGA2ox2, OsGA2ox3, and OsGA2ox5, thereby deactivating GA activity, inhibiting cell proliferation in the root meristem, and ultimately gradually inhibiting primary root growth. Mutation in OsGA2ox3 weakened ethylene-induced GA inactivation and reduced the ethylene sensitivity of the root. Genetic analysis revealed that OsGA2ox3 functions downstream of OsEIL1. Taken together, we identify a molecular pathway impacted by ethylene during primary root elongation in rice and provide insight into the coordination of ethylene and GA signals during root development and seedling establishment.
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