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[Instability and stability in biological morphogenesis]

L V Belousov, D S Chernavskiĭ

    Ontogenez
    |January 1, 1977
    PubMed
    Summary
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    Ontogenez·2010

    This study explores morphogenesis, detailing how developing systems exhibit stable and unstable states. It proposes a hierarchical model where higher levels regulate lower ones, advancing evolutionary understanding.

    Area of Science:

    • Developmental Biology
    • Mathematical Biology
    • Systems Biology

    Context:

    • Morphogenesis involves complex developmental processes in biological systems.
    • Developing systems exhibit characteristics of both deterministic and stochastic behaviors.
    • These systems are inherently multi-levelled, with interactions across different scales.

    Purpose:

    • To define the concept of morphogenesis and model developing systems mathematically.
    • To analyze the stable and unstable states and parameter changes within these systems.
    • To describe micro- and macro-level processes and laws governing morphogenesis.

    Summary:

    • The study presents a mathematical framework for morphogenesis, highlighting inherent stable/unstable states and parameter dynamics.

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  • Developing systems are characterized as multi-levelled, bridging deterministic and statistical paradigms.
  • A tendency towards hierarchical organization (cascades) is observed, with increasing evolutionary significance, where genetic regulation acts as parametric control during instabilities.

    • Impact:

    • Offers a generalized framework and a novel research program for studying biological development.
    • Provides a more biologically realistic alternative to traditional causal-analytical methodologies.
    • Enhances understanding of evolutionary progress through hierarchical system organization.