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Reference Detail
| Reference | ||
|---|---|---|
| Author | Li W., Wang L., Zhou F., Li C., Ma W., Chen H., Wang G., Pickett J.A., Zhou J.J., Lin Y. | |
| Title | Overexpression of the homoterpene synthase gene, OsCYP92C21, increases emissions of volatiles mediating tritrophic interactions in rice. | |
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Abstract: Plant defense homoterpenes can be used to attract pest natural enemies. However, the biosynthetic pathway of homoterpenes is still unknown in rice, and the practical application of such indirect defense systems suffers from inherent limitations due to their low emissions from plants. Here, we demonstrated that the protein OsCYP92C21 is responsible for homoterpene biosynthesis in rice. We also revealed that the ability of rice to produce homoterpenes is dependent on the subcellular precursor pools. By increasing the precursor pools through specifically subcellular targeting expression, genetic transformation and genetic introgression, we significantly enhanced homoterpene biosynthesis in rice. The final introgressed GM rice plants exhibited higher homoterpene emissions than the wild type rice and the highest homoterpene emission reported so far for such GM plants even without the induction of herbivore attack. As a result, these GM rice plants demonstrated strong attractiveness to the parasitic wasp Cotesia chilonis. This study discovered the homoterpene biosynthesis pathway in rice, and lays the foundation for the utilization of plant indirect defense mechanism in the "push-pull" strategy of integrated pest management through increasing precursor pools in the subcellular compartments and overexpressing homoterpene synthase by genetic transformation. This article is protected by copyright. All rights reserved. |
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| Journal | Plant Cell Environ. | |
| Country | China | |
| Volume | ||
| Pages | ||
| Year | 2020 | |
| PubMed ID | 33099790 | |
| PubMed Central ID | - | |
| DOI | 10.1111/pce.13924 | |
| URL | - | |
| Relation | ||
| Gene | CYP71AK2 CYP71C16 CYP89B1 CYP92A11 CYP92C21 OSD3 | |
| INSD | - | |
| Strain | Wild Core Collection | - |
| Induced Mutation Lines(NIG Collection) | - | |
| Sterile Seed Strain | - | |
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Lethal Embryo Mutantion Strain |
- | |
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Stages in Each Organ - Muant Lines (Gene) |
- | |
| Cultivated Varieties(NIG Collection) | - | |
| Stages in Each Organ | - | |
