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Published on: December 17, 2021
Model aggregation: a building-block approach to creating large macromolecular regulatory networks
Ranjit Randhawa1, Clifford A Shaffer, John J Tyson
1Department of Computer Science, Virginia Tech, Blacksburg, VA 24061, USA.
Model aggregation simplifies the construction and understanding of complex biological regulatory networks by enabling modular design. This approach facilitates building large models from smaller, manageable components for easier analysis and development.
Area of Science:
- Systems Biology
- Computational Biology
- Bioinformatics
Background:
- Large-scale biological regulatory network models present significant construction and comprehension challenges.
- Modelers often build complex systems by integrating smaller, modular components representing reaction subsets.
Purpose of the Study:
- Introduce and define model aggregation as a method for simplifying the creation of large biological models.
- Provide a framework for designing models with the explicit purpose of future combination.
Main Methods:
- Developed a model editor incorporating the model aggregation approach.
- Proposed extensions to the Systems Biology Markup Language (SBML) Level 3 to support aggregation.
Main Results:
- Successfully demonstrated model aggregation using a eukaryotic cell cycle model constructed from smaller modules.
- Implemented Java software, the JigCell Aggregation Connector, is available.
Conclusions:
- Model aggregation offers a viable strategy for managing complexity in biological network modeling.
- The proposed SBML extensions and implemented tools support modular model development and integration.
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