Light-modulated seminal wavy roots in rice mediated by nitric oxide-dependent signaling
Autor: | Hsiang-Wen Chen, Shu-Jen Wang, Ko-Hsuan Shao |
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Rok vydání: | 2014 |
Předmět: |
Ethylene
Light Signal Transduction Plant Science Biology Nitric Oxide Plant Roots Nitric oxide chemistry.chemical_compound Auxin Botany Oxylipins chemistry.chemical_classification Oryza sativa Indoleacetic Acids food and beverages Oryza Cell Biology General Medicine Oxylipin Ethylenes Cell biology chemistry Seedlings Second messenger system Signal transduction Regulatory Pathway |
Zdroj: | Protoplasma. 252(5) |
ISSN: | 1615-6102 |
Popis: | Rice (Oryza sativa L.) seminal roots from germinated seeds help establish seedlings, but the seminal root growth and morphology are sensitive to environmental factors. Our previous research showed that several indica-type rice varieties such as Taichung native 1 (TCN1) showed light-induced wavy roots. Also, auxin and oxylipins are two signaling factors regulating the wavy root photomorphology. To investigate the signaling pathway, here, we found that nitric oxide (NO) was a second messenger triggering the signal transduction of light stimuli to induce the wavy morphology of seminal roots in rice. Moreover, interactions between oxylipins and phytohormones such as ethylene and auxin participating in the NO-dependent regulatory pathway of light-induced wavy roots were examined. The order of action of signaling components in the pathway was NO, oxylipins, ethylene, and auxin. |
Databáze: | OpenAIRE |
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