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. 1979 Sep;31(3):816–822. doi: 10.1128/jvi.31.3.816-822.1979

Clonal analysis of mammalian cell cultures persistently infected with Japanese encephalitis virus.

C S Schmaljohn, C D Blair
PMCID: PMC353509  PMID: 117119

Abstract

More than 200 cells were cloned from populations of mammalian cells persistently infected with Japanese encephalitis virus. Only four cloned cultures contained cells that had viral antigen measurable by immunofluorescence and that released infectious virus, yet all clones harbored virus-specific RNA. Superinfection of cloned cells with wild-type Japanese encephalitis virus did not produce cytopathic effects, but resulted in production of viral antigen and infectious virus in formerly nonproducing clones. Cocultivation of nonproducer clone cells with normally permissive cells did not induce virus production, nor did treatment of nonproducer clones with various inhibitors of DNA, RNA, or protein synthesis. It is suggested that the cloning procedure may have selected for a particular subpopulation of cells and that defective virus is also involved in establishment and maintenance of persistent infection.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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