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Virus-induced cell motility

C M Sanderson1, M Way, G L Smith

  • 1Sir William Dunn School of Pathology, University of Oxford, United Kingdom.

Journal of Virology
|January 28, 1998
PubMed
Summary
This summary is machine-generated.

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Vaccinia virus infection drives distinct cell movements, including migration and projection formation, by utilizing specific viral gene expressions. These findings highlight poxviruses as a model for studying cell motility.

Area of Science:

  • Virology
  • Cell Biology
  • Molecular Biology

Background:

  • Viruses significantly alter host cell metabolism and function.
  • Understanding virus-host interactions is crucial for virology and cell biology.

Purpose of the Study:

  • To investigate the distinct forms of cell movement induced by vaccinia virus.
  • To determine the viral gene expression requirements for virus-induced cell migration and projection formation.

Main Methods:

  • In vitro wound healing assays to assess cell migration.
  • Time-lapse microscopy to observe cell movement dynamics.
  • Inhibition studies using chemical agents and UV-inactivated virus to identify necessary viral gene functions.

Main Results:

Related Experiment Videos

  • Vaccinia virus induced independent migration of infected cells in wound healing assays.
  • Cell migration peaked 9-12 hours post-infection and required early viral gene expression.
  • Infected cells formed long, branched projections with growth-cone-like structures, dependent on late gene expression but not intracellular enveloped (IEV) particle production.

Conclusions:

  • Vaccinia virus encodes distinct genes controlling different aspects of cell motility.
  • Virus-induced cell migration and projection formation have different genetic requirements.
  • Poxviruses serve as a valuable model system for dissecting mechanisms of cell movement.