Scanning the horizon: deep mutational scanning approaches in virology

Area of Science:

• Virology
• Evolutionary Biology
• Genomics

Background:

• Understanding viral mutation effects is crucial in virology.
• Deep mutational scanning (DMS) couples mutagenesis with deep sequencing for pooled assays.
• DMS has been adapted for viruses to map genomic evolutionary constraints.

Purpose of the Study:

• To review recent technological and conceptual advances in DMS for virology.
• To synthesize insights gained from DMS applications in viral evolution.
• To highlight future opportunities for DMS in virology research.

Main Methods:

• High-throughput mutagenesis coupled with deep sequencing.
• Application of DMS to pooled viral assays.
• Leveraging synthetic biology for engineered mutational libraries.

Main Results:

• DMS enables comprehensive measurement of mutation effects across viral genomes.
• It quantifies mutation impacts across different host species, tissues, and immune pressures.
• Recent advances have expanded the scope and application of DMS in virology.

Conclusions:

• DMS is a mature technology poised to transform viral evolution studies.
• It provides critical insights into viral protein constraints and adaptation.
• Future research can further explore viral evolution using advanced DMS methodologies.