Dynamical modules in metabolism, cell and developmental biology.
1Complexity Science Hub (CSH) Vienna, Josefstädter Strasse 39, 1080 Vienna, Austria.
Interface Focus
|May 31, 2021
Summary
This study introduces dynamical modularity, a new way to understand complex systems. It focuses on how functions, not just structures, create modularity in biological processes.
Area of Science:
- Systems Biology
- Developmental Biology
- Evolutionary Biology
Background:
- Complex adaptive systems rely on modularity for function.
- Phenotypic traits act as modules, varying independently.
- Genotype-phenotype mapping implies functionally modular generative processes.
Purpose of the Study:
- Propose dynamical modularity as an alternative to structural modularity.
- Demonstrate the broader applicability of dynamical modularity.
- Provide a foundation for understanding biological processes and homology.
Main Methods:
- Decomposing complex regulatory system behavior into elementary activity-functions.
- Analyzing modular activities independent of network structure.
- Illustrating the approach with examples from metabolism, cellular processes, development, and pattern formation.
Main Results:
- Dynamical modularity can exist in networks lacking structural modularity.
- Behavioral decomposition into activity-functions offers a more universally applicable approach.
- Dynamical modularity aligns closely with functional contributions to process outcomes.
Conclusions:
- Dynamical modules offer a more comprehensive framework for analyzing complex biological systems.
- This approach is particularly suited for functional decomposition of regulatory systems.
- Dynamical modules provide a shared conceptual basis for developmental and evolutionary biology and process homology.
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