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Visualization of SARS-CoV-2 using Immuno RNA-Fluorescence In Situ Hybridization
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Visualizing Coronavirus Entry into Cells.

Aleksandra Milewska1, Katarzyna Owczarek1, Artur Szczepanski1

  • 1Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland.

Methods in Molecular Biology (Clifton, N.J.)
|August 25, 2020
PubMed
Summary

We present new methods to visualize how coronaviruses infect cells, from initial attachment to genome release. These techniques use advanced fluorescent labeling and confocal imaging in cell cultures and tissue models.

Keywords:
Confocal microscopyCoronavirusEndocytosisEntryInternalization

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Area of Science:

  • Virology
  • Cell Biology
  • Microscopy

Background:

  • Coronavirus entry is critical for initiating infection.
  • Understanding these early steps is key to developing antiviral strategies.
  • Previous methods had limitations in visualizing the dynamic process.

Purpose of the Study:

  • To describe novel methods for visualizing coronavirus entry.
  • To enable detailed studies of viral and cellular interactions during infection.
  • To apply these methods in both cell lines and 3D tissue models.

Main Methods:

  • Utilizing advanced fluorescent labeling techniques for viral and cellular components.
  • Employing confocal microscopy for high-resolution imaging.
  • Applying methods to immortalized cell lines and 3D tissue culture models.

Main Results:

  • Successful visualization of coronavirus entry dynamics.
  • Detailed observation of virion attachment and genome release.
  • Demonstration of method applicability across different model systems.

Conclusions:

  • The described methods provide powerful tools for studying coronavirus entry.
  • These techniques facilitate a deeper understanding of viral infection mechanisms.
  • This work supports the development of new interventions against coronavirus infections.