Anisotropic plant growth due to phototropism
| Autor: | S. Lewicka, Mariusz Pietruszka |
|---|---|
| Rok vydání: | 2006 |
| Předmět: |
Plant growth
Empirical data Indoleacetic Acids business.industry Applied Mathematics Transport coefficient Biology Curvature Agricultural and Biological Sciences (miscellaneous) Models Biological Zea mays Light intensity Optics Modeling and Simulation Anisotropy PIN proteins business Biological system Phototropism |
| Zdroj: | Journal of mathematical biology. 54(1) |
| ISSN: | 0303-6812 |
| Popis: | Phototropism--the directional curvature of organs in response to lateral differences in light intensity and/or quality--represents one of the most rapid and visually obvious reaction of plants to changes in their light environment. It is a topic of fundamental interest to understand the mechanics of plants during growth. We propose a generalization of the scalar Lockhart model (1965) to three dimensional deformation, solve the new equation in two particular cases and compare results with empirical data. We believe that carefully designed experiments linked to our model will provide (by determining the active transport coefficient) a new method for qualitative description of auxin redistribution during phototropism. The proposed method supplements very recent investigations concerning specific auxin-influx and -efflux carriers (LAX and PIN proteins). |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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