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Transmission electron microscopy (TEM) can be used to determine the 3D structure of biological samples with the help of techniques such as electron microscope tomography and single-particle reconstruction. While single-particle reconstruction can examine macromolecules and macromolecular complexes in vitro conditions only, tomography permits the study of cell components or small cells in vivo.
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Updated: Jun 14, 2025

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Exploring Tick-Borne Encephalitis Virus-Host Cell Interactions Using Electron Tomography: Methodologies and

Marie Vancová1,2, Tomáš Bílý3,4, Martin Palus3,5

  • 1Institute of Parasitology, Biology Centre of the Czech Academy of Science, Ceske Budejovice, Czech Republic. vancova@paru.cas.cz.

Methods in Molecular Biology (Clifton, N.J.)
|June 13, 2025
PubMed
Summary
This summary is machine-generated.

This study details a new electron microscopy method to visualize tick-borne encephalitis virus (TBEV) interactions within host cells. The technique reveals viral lifecycle stages and host responses in 3D, advancing our understanding of TBEV infection dynamics.

Keywords:
Electron tomographyTick-borne encephalitis virusTransmission electron microscopy

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Area of Science:

  • Virology
  • Cell Biology
  • Microscopy

Background:

  • Electron microscopy provides high-resolution insights into viral infections.
  • Understanding virus-host cell interactions is crucial for combating viral diseases.

Purpose of the Study:

  • To present a comprehensive methodology for studying 3D interactions between tick-borne encephalitis virus (TBEV) and host cells.
  • To enable the study of all stages of the viral lifecycle and host cell defense mechanisms.

Main Methods:

  • Sample preparation: high-pressure freezing, freeze substitution, epoxy embedding, ultrathin sectioning.
  • Imaging: electron tomography.
  • Analysis: advanced image processing and analysis techniques.

Main Results:

  • The methodology allows for detailed visualization of TBEV-host cell interactions.
  • Insights into viral replication, budding, maturation, and host defense are obtainable.

Conclusions:

  • This methodology offers a powerful tool for investigating the complex dynamics of TBEV infection.
  • The 3D insights gained can inform the development of antiviral strategies.