From viral assembly to host interaction: AFM's contributions to virology

Area of Science:

• Virology and Nanotechnology
• Biophysics and Structural Biology

Background:

• Viruses are obligate parasites with diverse, complex biology requiring detailed characterization.
• Understanding virus-host interactions is vital for public health, medicine, agriculture, and ecology.

Purpose of the Study:

• To highlight the utility and versatility of Atomic Force Microscopy (AFM) in virus research.
• To demonstrate how AFM provides unique insights into virus biology at the single-virus level.

Main Methods:

• Utilizing AFM's nanoscale spatial resolution for high-detail imaging.
• Employing diverse AFM chemistries and imaging modes to explore virus-host interactions.
• Analyzing single-virus behaviors including binding kinetics, self-assembly, and budding.

Main Results:

• AFM enables exploration of virus structural features and life cycles at the molecular level.
• The technique reveals complex host-virus interactions and dynamics.
• AFM provides data unobtainable by other imaging modalities.

Conclusions:

• AFM is a powerful and versatile tool for detailed virological studies.
• Its ability to probe single-virus phenomena offers unique advantages.
• Continued evolution of AFM technology will further enhance its role in virology research.