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Multiple routes of light signaling during root photomorphogenesis

MPG-Autoren
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Baldwin,  Ian Thomas
Department of Molecular Ecology, Prof. I. T. Baldwin, MPI for Chemical Ecology, Max Planck Society;

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Zitation

Lee, H.-J., Park, Y.-J., Ha, J.-H., Baldwin, I. T., & Chung-MoPark (2017). Multiple routes of light signaling during root photomorphogenesis. Trends in Plant Science. doi:10.1016/j.tplants.2017.06.009.


Zitierlink: https://hdl.handle.net/11858/00-001M-0000-002D-98D7-C
Zusammenfassung
Plants dynamically adjust their architecture to optimize growth and performance under fluctuating light environments, a process termed photomorphogenesis. A variety of photomorphogenic responses have been studied extensively in the shoots, where diverse photoreceptors and signaling molecules have been functionally characterized. Notably, accumulating evidence demonstrates that the underground roots also undergo photomorphogenesis, raising the question of how roots perceive and respond to aboveground light. Recent findings indicate that root photomorphogenesis is mediated by multiple signaling routes, including shoot-to-root transmission of mobile signaling molecules, direct sensing of light by the roots, and light channeling through the plant body. In this review we discuss recent advances in how light signals are transmitted to the roots to trigger photomorphogenic responses.