Self-affine growth of bacterial colonies

Tamás Vicsek, Miklós Cserző and Viktor K. Horváth

Physica A: Statistical Mechanics and its Applications, 1990, vol. 167, issue 2, 315-321

Abstract: In this paper the scaling behaviour of the surface of Escherichia coli and Bacillus subtilis colonies growing on agar plates are studied. We present the first experimental evidence for the self-affine fractal nature of the shape of a biological system. The value H≃0.78 we obtained for the roughness exponent H describing the scaling of the surface width indicates that the development of the surface is subject to correlations due to the complexity of bacterial colony formation.

Date: 1990
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:167:y:1990:i:2:p:315-321

DOI: 10.1016/0378-4371(90)90116-A

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