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首页> 外文期刊>Physica, A. Statistical mechanics and its applications >Studies of bacterial branching growth using reaction-diffusion models for colonial development
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Studies of bacterial branching growth using reaction-diffusion models for colonial development

机译:使用反应扩散模型进行菌落生长研究菌落生长

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Various bacterial strains exhibit colonial branching patterns during growth on poor substrates. These patterns reflect bacterial cooperative self-organization and cybernetic processes of communication, regulation and control employed during colonial development. One method of modeling is the continuous, or coupled reaction-diffusion approach, in which continuous time evolution equations describe the bacterial density and the concentration of the relevant chemical fields. In the context of branching growth, this idea has been pursued by a number of groups. We present an additional model which includes a lubrication fluid excreted by the bacteria. We also add fields of chemotactic agents to the other models. We then present a critique of this whole enterprise with focus on the models' potential for revealing new biological features. (C) 1998 Elsevier Science B.V. All rights reserved. PACS: 47.20.Hw; 87.10.e. [References: 94]
机译:在较差的底物上生长期间,各种细菌菌株均表现出菌落分支模式。这些模式反映了细菌协同的自组织和在殖民地发展过程中采用的控制,交流和控制的控制论过程。一种建模方法是连续或耦合的反应扩散方法,其中连续的时间演化方程描述了细菌密度和相关化学场的浓度。在分支机构增长的背景下,许多组织都追求这一想法。我们提出了一个额外的模型,其中包括由细菌排出的润滑液。我们还将趋化剂字段添加到其他模型中。然后,我们对整个企业进行评论,重点是模型揭示新生物学特征的潜力。 (C)1998 Elsevier Science B.V.保留所有权利。 PACS:47.20.Hw; 87.10.e. [参考:94]

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