Hormone-Mediated Pattern Formation in Seedling of Plants: a Competitive Growth Dynamics Model
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概要
- 論文の詳細を見る
An ecologically relevant pattern formation process mediated by hormonal interactions among growing seedlings is modeled based on the experimental observations on the effects of indole acetic acid, which can act as an inhibitor and activator of root growth depending on its concentration. In the absence of any lateral root with constant hormone-sensitivity, the edge effect phenomenon is obtained depending on the secretion rate of hormone from the main root. Introduction of growth-stage-dependent hormone-sensitivity drastically amplifies the initial randomness, resulting in spatially irregular macroscopic patterns. When the lateral root growth is introduced, periodic patterns are obtained whose periodicity depends on the length of lateral roots. The growth-stage-dependent hormone-sensitivity and the lateral root growth are crucial for macroscopic periodic-pattern formation.
- Physical Society of Japanの論文
- 2001-10-15
著者
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Oikawa Noriko
Department Of Applied Physics Faculty Of Engineering Kyushu University
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Ohya Tomoyuki
Department Of Applied Physics Faculty Of Engineering Kyushu University
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Okabe Hirotaka
Department Of Applied Physics And Physico-informatics Keio University
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Kai Shoichi
Departemnt Of Applied Physics Kyushu University
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Mimura Masayasu
Department Of Applied Mathematics And Physics Faculty Of Engineering Kyoto Univerisity
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Kawaguchi Satoshi
Institute Of Environmental Systems Kyushu University
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Oikawa Noriko
Department of Applied Physics, Faculty of Engineering, Kyushu University, Fukuoka 812-8581
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Ohya Tomoyuki
Department of Applied Physics, Faculty of Engineering, Kyushu University, Fukuoka 812-8581
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Okabe Hirotaka
Department of Applied Physics, Faculty of Engineering, Kyushu University, Fukuoka 812-8581
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