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Cytoplasmic Structures Associated with an Arbovirus Infection: Loci of Viral Ribonucleic Acid Synthesis

Authors
  • Philip M. Grimley
  • Irene K. Berezesky
  • Robert M. Friedman
Publication Date
Nov 01, 1968
Source
PMC
Keywords
Disciplines
  • Chemistry
  • Design
  • Medicine
License
Unknown

Abstract

Unique cytoplasmic structures, herein designated as type I cytopathic vacuoles (CPV-I), are found in chick embryo cells early in the logarithmic phase of Semliki Forest virus replication. High resolution autoradiography demonstrated that the CPV-I are loci of 3H-uridine incorporation. This evidence correlates well with previous biochemical data and electron microscopy of the subcellular fractions active in Semliki Forest virus ribonucleic acid synthesis. Origin of the CPV-I within host cell cytoplasm is confirmed by the distribution of electron-dense tracer particles and sequential ultrastructural observations.

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