On Pattern and Evolution

Details On Pattern and Evolution On Pattern and Evolution

2009-04-20

arxiv.org/abs/0904.3111v2

Biology

Quantitative Biology

Tissues and Organs

38 pages, seven figures

Scientific paper

A model of pattern formation in living systems is presented. The pattern is achieved by the sequential interaction of two signaling pathways. The coupling of the pattern to the (thick) epithelial sheet changes is given, when the Gauss curvature'K'enters. The model suggests a novel point-like placement for organs such as eyes, antennae, limbs, and wings. In the case of plant patterns, 'leaf' outgrowths from a stem are predicted to be under the control of a yet to be discovered "master regulatiory gene", analogous to the animal case, when various outgrowths from the animal body are generally accompanied by activation of the 'distal-less' (Dll) gene.

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