KAI2 can do: Karrikin Receptor Function in Plant Development and Response to 
Abiotic and Biotic Factors

Varshney, K.; Gutjahr, C.

doi:10.1093/pcp/pcad077

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Review Article

KAI2 can do: Karrikin Receptor Function in Plant Development and Response to Abiotic and Biotic Factors

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Varshney, K.
Mycorrhiza and Root Biology, Department Gutjahr, Max Planck Institute of Molecular Plant Physiology, Max Planck Society;

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Gutjahr, C.
Mycorrhiza and Root Biology, Department Gutjahr, Max Planck Institute of Molecular Plant Physiology, Max Planck Society;

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引用

Varshney, K., & Gutjahr, C. (2023). KAI2 can do: Karrikin Receptor Function in Plant Development and Response to Abiotic and Biotic Factors. Plant and Cell Physiology, 64(9), 984-995. doi:10.1093/pcp/pcad077.

引用: https://hdl.handle.net/21.11116/0000-000D-8C7B-C

要旨

The α/β hydrolase KARRIKIN INSENSITIVE 2 (KAI2) functions as a receptor for a yet undiscovered phytohormone, provisionally termed KAI2-ligand (KL). In addition, it perceives karrikin, a butenolide compound found in the smoke of burnt plant material. KAI2-mediated signalling is involved in regulating seed germination and in shaping seedling and adult plant morphology, both above and below ground. It also governs responses to various abiotic stimuli and stresses and shapes biotic interactions. KAI2-signalling is being linked to an elaborate cross-talk with other phytohormone pathways such as auxin, gibberellin, abscisic acid, ethylene, and salicylic acid signalling, in addition to light and nutrient starvation signalling. Further connections will likely be revealed in the future. This article summarizes recent advances in unravelling the function of KAI2-mediated signalling and its interaction with other signalling pathways.