한빛사 논문
Hyo-Jun Lee1, 4, Young-Joon Park1, 4, Jun-Ho Ha1, Ian T. Baldwin2, Chung-Mo Park1, 3
1 Department of Chemistry, Seoul National University, Seoul 08826, Korea
2 Department of Molecular Ecology, Max Planck Institute for Chemical Ecology, Jena 07745, Germany
3 Plant Genomics and Breeding Institute, Seoul National University, Seoul 08826, Korea
4 These authors contributed equally to this work
Correspondence: Chung-Mo Park
Abstract
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.
Keywords : root photomorphogenesis; mobile signals; photoreceptors; stem-piped light
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