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. 1966 Nov;92(5):1422–1429. doi: 10.1128/jb.92.5.1422-1429.1966

Multiplicity Reactivation of Reovirus Particles After Exposure to Ultraviolet Light

Mary E McClain 1, Rex S Spendlove 1
PMCID: PMC276440  PMID: 5924273

Abstract

McClain, Mary E. (California State Department of Public Health, Berkeley), and Rex S. Spendlove. Multiplicity reactivation of reovirus particles after exposure to ultraviolet light. J. Bacteriol. 92:1422–1429. 1966.—Exposure of reovirus suspensions to moderate doses of ultraviolet light results in essentially exponential inactivation of infectivity to survivals of 10−2 to 10−3. With suspensions of sufficiently high particle concentration, larger doses of ultraviolet light (6 to 12 min) are associated with multiplicity reactivation (MR) which is demonstrable both by immunofluorescent-cell count and by plaque assay in FL human amnion cells. Similar effects are produced by photodynamic inactivation in the presence of proflavine, but not by thermal inactivation at 50 C. All three reovirus types exhibit MR under appropriate conditions, and all three interact in mixed ultraviolet suspensions with high efficiency. Progeny from FL cells infected under conditions of MR were as infectious as those of unirradiated inocula, with yields per cell ranging from 104 to 4 × 104 infective units.

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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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