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Updated: Dec 26, 2025
09:08
Generation and Assembly of Virus-Specific Nucleocapsids of the Respiratory Syncytial Virus
Published on: July 27, 2021
4.1K
Fine structure of viral dsDNA encapsidation
Shawn Walker1, Javier Arsuaga2, Lindsey Hiltner3
1Department of Mathematics, 303 Lockett Hall, Louisiana State University, Baton Rouge, Louisiana 70803, USA.
Physical Review. E
|March 15, 2020
Summary
This study presents a mathematical model for DNA packing in viral capsids, crucial for understanding virus spread and developing targeted drug delivery systems. The model aids in designing bacteriophage viruses by analyzing DNA configurations and capsid pressure.
Area of Science:
- Biophysics
- Materials Science
- Computational Biology
Background:
- Understanding viral DNA packing is key to virology and drug delivery.
- Bacteriophage viruses offer a model system for studying DNA packaging mechanisms.
Purpose of the Study:
- To develop a predictive mathematical model for DNA packing in viral capsids.
- To aid in the study and design of bacteriophage viruses for therapeutic applications.
Main Methods:
- Developed a first-principles effective mechanical model based on liquid crystal theory and hexagonal columnar phases.
- Utilized analogies between viral DNA and chromonic aggregates.
- Employed the finite element method for numerical implementation and computer simulations.
Main Results:
- The model predicts DNA packing energy, identifies ordered/disordered regions within capsids, and calculates internal pressure.
- A parameter selection strategy using existing viral data is outlined for viral design.
- Tools for reconstructing DNA scaffolding and filament center curves are presented.
Conclusions:
- The developed mathematical model and numerical algorithm provide a robust framework for studying viral DNA packing.
- This work facilitates the design of bacteriophage viruses for applications in medicine and biotechnology.
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