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The longest micron; transporting poxviruses out of the cell

Brian M Ward1

  • 1Department of Microbiology and Immunology, University of Rochester Medical Center, Rochester, New York 14642, USA. Brian_Ward@urmc.rochester.edu

Cellular Microbiology
|October 7, 2005
PubMed

Insights

Poxvirus virions use the cell's microtubule network for active transport during infection. This review examines how these large viruses move within cells for egress, utilizing conventional kinesin motors.

Area of Science:

  • Virology
  • Cell Biology
  • Molecular Motors

Background:

  • Poxvirus virions are exceptionally large (250-300 microm).
  • Their size necessitates active intracellular transport mechanisms for movement within host cells.
  • Recent studies highlight the involvement of the microtubule network in poxvirus infection.

Purpose of the Study:

  • To review recent findings on poxvirus intracellular transport during virion egress.
  • To examine the interaction of poxviruses with the microtubule cytoskeleton.
  • To understand the role of conventional kinesin in poxvirus movement.

Main Methods:

  • Literature review of recent research papers.
  • Analysis of studies on viral egress mechanisms.
  • Examination of molecular interactions between viruses and cellular transport machinery.

Main Results:

  • Poxviruses utilize the microtubule network for intracellular transport.
  • Conventional kinesin is identified as a key motor protein involved in this transport.
  • Active transport is crucial for efficient viral egress and spread.

Conclusions:

  • Poxvirus intracellular transport relies heavily on the host cell's microtubule network.
  • The interaction with conventional kinesin is essential for virion movement and egress.
  • Understanding these mechanisms provides insights into viral pathogenesis and host-pathogen interactions.

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