Mound-Interface Kinetics in Dictyostelium Aggregation

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概要

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• The mound development of the cellular slime mold amoebae Dictyostelium discoideum is studied with an interface kinetic model for the height of cell layers. As a competitive role for the chemotaxis, we compare two types of curvature relaxations; the surface relaxation induced by cell-substrate affinity (model A), and that comes from a cell-cell adhesive effect (model B). It is found that both models are characterized by the growth law for the maximum mound height. Based on a self-similarity scaling hypothesis for the spatial structure of streaming pattern, we suggest a scaling law for the growth of mound-height h_<max> 〜 t^<1-1/α+β/α> with α = 2 (4) for the model A (B) and a number 0 ≤ β < 1.

• 社団法人日本物理学会の論文
• 2002-09-15

著者

• Tutu H

  Kyoto Univ. Kyoto

• TUTU Hiroki

  Applied Analysis and Complex Dynamical Systems, Graduate School of Informatics, Kyoto University

関連論文

• Mound-Interface Kinetics in Dictyostelium Aggregation

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