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Neutral Theory and Rapidly Evolving Viral Pathogens.

Simon D W Frost1,2, Brittany Rife Magalis3, Sergei L Kosakovsky Pond3

  • 1Department of Veterinary Medicine, University of Cambridge, Cambridge, United Kingdom.

Molecular Biology and Evolution
|April 25, 2018
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Summary
This summary is machine-generated.

Viral evolution is driven by host immune responses and drugs, but most genetic variation is neutral. The neutral theory is crucial for understanding viral spread, drug resistance, and population dynamics, especially with advanced genomics.

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Area of Science:

  • Virology
  • Evolutionary Biology
  • Genomics

Background:

  • Viral evolution is influenced by host immune responses, antiviral drugs, and host jumps.
  • Adaptive evolution in viruses is restricted to small genomic regions, with most variation being neutral.
  • The neutral theory of molecular evolution provides a framework for understanding these dynamics.

Purpose of the Study:

  • To highlight the impact and applications of the neutral theory in viral evolution.
  • To demonstrate the utility of neutral theory in the context of high-throughput genomics.

Main Methods:

  • Review of existing literature on viral evolution and neutral theory.
  • Analysis of applications in within-host population structure, pathogen origins, and drug resistance.
  • Consideration of the role of high-throughput genomics in accelerating these studies.

Main Results:

  • The neutral theory has proven immensely useful in understanding viral population structure and spread.
  • Neutral theory aids in predicting evolutionary dynamics and modeling drug resistance emergence.
  • High-throughput genomics has amplified the impact and applicability of neutral theory.

Conclusions:

  • Neutral evolutionary processes play a significant role in viral genome dynamics.
  • The neutral theory is a powerful tool for addressing key questions in virology and infectious disease.
  • Genomic advancements continue to enhance the predictive and explanatory power of neutral theory in viral evolution.