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Non-normality can facilitate pulsing in biomolecular circuits
1Department of Electrical Engineering, Indian Institute of Technology Delhi, New Delhi, India.
IET Systems Biology
|September 28, 2018
Summary
Non-normality, a mathematical property, is identified as a key factor in biomolecular pulse dynamics. This finding offers new analytical tools and design guidelines for creating predictable biological circuits.
Area of Science:
- Systems Biology
- Biomolecular Engineering
- Computational Biology
Background:
- Non-normality is recognized as a factor in engineering pulse dynamics.
- Its significance in biomolecular contexts remains largely unexplored.
Purpose of the Study:
- To investigate the role of non-normality in biomolecular pulse dynamics.
- To develop analytical methods for identifying non-normality in biomolecular circuits.
Main Methods:
- Application of linear algebra and systems theory to computational models.
- Utilized a generalized framework and pseudospectrum analysis.
- Examined standard feedforward loop models and larger biomolecular circuits.
Main Results:
- Non-normality was found to be present in standard feedforward loop models.
- Pseudospectrum analysis successfully identified non-normality in complex models.
- Identified non-normality correlates strongly with observed pulsing dynamics.
Conclusions:
- Non-normality is a significant factor underlying pulse dynamics in biomolecular circuits.
- The developed methods provide analytical support for identifying pulsing dynamics.
- These findings offer guidelines for the rational design of biomolecular circuits.
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