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. 1970 Oct;6(4):507–518. doi: 10.1128/jvi.6.4.507-518.1970

Arenoviruses in Vero Cells: Ultrastructural Studies

Frederick A Murphy 1,2, Patricia A Webb 1,2, Karl M Johnson 1,2, Sylvia G Whitfield 1,2, W Adrian Chappell 1,2
PMCID: PMC376150  PMID: 5497898

Abstract

Thin-section electron microscopy was carried out on Vero green monkey kidney cell cultures infected with some viruses of the newly constituted arenovirus group. Junin, Machupo, Amapari, Pichinde, Parana, Tamiami, and Latino viruses were morphologically identical and indistinguishable from lymphocytic choriomeningitis virus, the prototype virus of the group. Virus particles were round, oval, or pleomorphic, 60 to 280 nm in diameter, and matured via budding from plasma membranes. Most characteristically, particles contained various amounts of homogeneous, 20- to 25-nm, dense granules; these granules in large masses also formed distinctive intracytoplasmic inclusions. In negative-contrast preparations from infected Vero cell culture supernatant fluids, several of the viruses appeared as pleomorphic membrane-bound forms with rather pronounced surface projections. Most particles were between 90 and 220 nm in diameter, although some reached 350 nm in their longest dimension. Internal structure was not resolved by negative-contrast electron microscopy. All observations supported the current delineation of a distinct arenovirus group.

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

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