Branching growth of ribbing patterns and the significance of concealed signals

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Extending the analysis of the ribbing patterns of Recent branchiopods, pattern transformation with the progression of growth is discussed. In ribbing patterns of brachiopods, each rib grows wider and higher, and sometimes branches off. It is proposed that median patterns appear as predictable outcomes of a simple space-filling process with stochastic properties, as shown by some investigators. From the analysis by the modified Fly method, it is found that branching points are determined by deterministic long range waves (breather-like solitons) which strongly interact with one another. For these patterns, all possible Interactive Lindenmayer systems with two sided inputs of most neighbouring cells were simulated, and all patterns were classified, compared to solutions with non-linear wave equations. It is concluded that ribbing patterns with deterministic signals are realized by coupling automata between I-L system developing kinks, and cell automata developing solitons. The importance of a morphogenetic control theory involving coupling and long range signals is emphasized.

Original languageEnglish
Pages (from-to)251-270
Number of pages20
JournalJournal of Theoretical Biology
Volume139
Issue number2
DOIs
Publication statusPublished - 1989 Jul 21
Externally publishedYes

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Solitons
Branching
branching
Stochastic Processes
Ribs
Wave equations
Growth
Control theory
ribs
Diptera
Research Personnel
cells
Automata
L-system
Breathers
Interactive Systems
Cell
Nonlinear Wave Equation
Kink
Control Theory

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Immunology and Microbiology(all)
  • Applied Mathematics
  • Modelling and Simulation
  • Statistics and Probability
  • Medicine(all)

Cite this

Branching growth of ribbing patterns and the significance of concealed signals. / Gunji, Yukio.

In: Journal of Theoretical Biology, Vol. 139, No. 2, 21.07.1989, p. 251-270.

Research output: Contribution to journalArticle

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