Emerging cell array based on reaction-diffusion

Shuhei Miyashita, Satoshi Murata

Research output: Contribution to journalArticlepeer-review


This article demonstrates the self-replication and self-organization phenomena based on a reaction-diffusion mechanism by computer simulation. The simulation model consists of a one-dimensional cell array. Each cell contains two kinds of chemical substances, activator u and inhibitor v, that can generate a reaction-diffusion wave, which is a spatial concentration pattern. The cells are supposed to be divided or deleted depending on the concentrations of chemical substances. We tried several kinds of diffusion coefficient in the model, and in some simulations, a self-replication process and a generating cell array with a metabolic process were observed. By applying the division rule and the apoptosis rule, cell arrays duplicate in two oscillating states, i.e., self-replication processes were observed. By applying a division rule and an annihilation rule, a cell array that has a stable length is generated by changing the cell components, i.e., generating a cell array by a metabolic process was observed. Surprisingly, these two phenomena are realized independently of the initial number of cells.

Original languageEnglish
Pages (from-to)32-36
Number of pages5
JournalArtificial Life and Robotics
Issue number1
Publication statusPublished - 2007 Jan
Externally publishedYes


  • Diffusion
  • Morphogenesis
  • Reaction

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Artificial Intelligence


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