Morphological Bifurcations Involving Reaction-Diffusion Processes During Microtubule Formation

James Tabony

doi:10.1126/science.8146654

Morphological Bifurcations Involving Reaction-Diffusion Processes During Microtubule Formation

DOI Web Site 被引用文献4件

James Tabony

Laboratoire de Résonance Magnétique en Biologie et Médecine, Département de Biologie Moléculaire et Structurale, Centre d'Etudes Nucléaire de Grenoble, 85X, 38041 Grenoble, Cedex, France.

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説明

<jats:p>Nonlinear chemically dissipative mechanisms have been proposed as providing a possible underlying process for some aspects of biological self-organization, pattern formation, and morphogenesis. Nonlinearities during the formation of microtubular solutions result in a chemical instability and bifurcation between pathways leading to macroscopically self-organized states of different morphology. The self-organizing process, which contains reactive and diffusive contributions, involves chemical waves and differences in microtubule concentration in the sample. Patterns of similar appearance are observed at different distance scales. This behavior is in agreement with theories of chemically dissipative systems.</jats:p>