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Type: Artigo de periódico
Title: Modeling the skin pattern of fishes
Author: BARRIO, Rafael A.
BAKER, Ruth E.
VAUGHAN JR., Benjamin
CARVALHO, Marcelo R. de
MAINI, Philip K.
Abstract: Complicated patterns showing various spatial scales have been obtained in the past by coupling Turing systems in such a way that the scales of the independent systems resonate. This produces superimposed patterns with different length scales. Here we propose a model consisting of two identical reaction-diffusion systems coupled together in such a way that one of them produces a simple Turing pattern of spots or stripes, and the other traveling wave fronts that eventually become stationary. The basic idea is to assume that one of the systems becomes fixed after some time and serves as a source of morphogens for the other system. This mechanism produces patterns very similar to the pigmentation patterns observed in different species of stingrays and other fishes. The biological mechanisms that support the realization of this model are discussed.
Subject: biodiffusion
pattern formation
physiological models
reaction-diffusion systems
Country: Estados Unidos
Citation: PHYSICAL REVIEW E, v.79, n.3, 2009
Rights: fechado
Identifier DOI: 10.1103/PhysRevE.79.031908
Date Issue: 2009
Appears in Collections:IMECC - Artigos e Materiais de Revistas Científicas

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