Hormone-mediated pattern formation in seedling of plants: A competitive growth dynamics model

Satoshi Kawaguchi, Masayasu Mimura, Tomoyuki Ohya, Noriko Oikawa, Hirotaka Okabe, Shoichi Kai

研究成果: Contribution to journalArticle査読

1 被引用数 (Scopus)

抄録

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-depcndent 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.

本文言語英語
ページ(範囲)3155-3160
ページ数6
ジャーナルjournal of the physical society of japan
70
10
DOI
出版ステータス出版済み - 10 2001

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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