Electron Microscopy of Monkey Kidney Cell Cultures Infected with Rubella Virus
AUTOR(ES)
Kim, Kenneth S. W.
RESUMO
Two rubella virus strains isolated in this laboratory were investigated in terms of their growth in LLC-MK2 cell cultures and their effect on cell morphology. Rubella virus grew readily in LLC-MK2 cells, but cytopathic effects of the virus were not observed in infected cultures. Such infected cultures can be subcultured indefinitely and continue to shed virus. Examination of rubella-infected cell cultures by electron microscopy showed the presence of annulate lamellae in the cytoplasm of 15% of the cells. No changes were evident in the nuclei. These membranous inclusions varied in complexity from parallel arrays of annulate lamellae to large lamellar structures of complex morphology. An occasional cell contained a crystal lattice structure in association with the lamellae. Larger inclusions, consisting of disorganized arrays of “unit” membranes, were also found. Uninfected cells were devoid of annulate lamellae, crystals, and complex membranous inclusions. No viruslike particles were observed in any part of the cells from infected cultures. The significance of the structures observed has not been determined.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=375520Documentos Relacionados
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