ArticlePloS one2023
Genetic analysis of the rice jasmonate receptors reveals specialized functions for OsCOI2.
Article in PloS one, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 19 citations in OpenAlex.
- CRISPR/Cas9-mediated editing of jasmonic acid pathways to enhance biotic & abiotic stress tolerance: An overview & prospects.Functional & integrative genomics · 2025Review
- Rice JASMONIC ACID OXIDASES control resting jasmonate metabolism to promote growth and repress basal immune responses.Plant physiology · 2025Article
- Exploring Hormonal Pathways and Gene Networks in Crown Root Formation Under Stress Conditions: An Update.Plants (Basel, Switzerland) · 2025Review
- The immune receptor XA21 causes semi-male sterility and grain loss in rice.Frontiers in plant science · 2025Article
- Genetic Transformation ofPlants (Basel, Switzerland) · 2024Article
- COI1 F-box proteins regulate DELLA protein levels, growth, and photosynthetic efficiency in maize.The Plant cell · 2024Article
- Integrated transcriptomic and metabolomic analysis provides insight into the pollen development of CMS-D1 rice.BMC plant biology · 2024Article
- A newly evolved rice-specific gene JAUP1 regulates jasmonate biosynthesis and signalling to promote root development and multi-stress tolerance.Plant biotechnology journal · 2024Article
- Transcriptomic and metabolomic reveal OsCOI2 as the jasmonate-receptor master switch in rice root.PloS one · 2024Article
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Authors and funding
11 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
COI1-mediated perception of jasmonate is critical for plant development and responses to environmental stresses. Monocots such as rice have two groups of COI genes due to gene duplication: OsCOI1a and OsCOI1b that are functionally equivalent to the dicotyledons COI1 and OsCOI2 whose function remains unclear. In order to assess the function of OsCOI2 and its functional redundancy with COI1 genes, we developed a series of rice mutants in the 3 genes OsCOI1a, OsCOI1b and OsCOI2 by CRISPR Cas9-mediated editing and characterized their phenotype and responses to jasmonate. Characterization of OsCOI2 uncovered its important roles in root, leaf and flower development. In particular, we show that crown root growth inhibition by jasmonate relies on OsCOI2 and not on OsCOI1a nor on OsCOI1b, revealing a major function for the non-canonical OsCOI2 in jasmonate-dependent control of rice root growth. Collectively, these results point to a specialized function of OsCOI2 in the regulation of plant development in rice and indicate that sub-functionalisation of jasmonate receptors has occurred in the monocot phylum.
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