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. 1989 Feb;63(2):1002-6.
doi: 10.1128/JVI.63.2.1002-1006.1989.

Evidence for a ligation step in the DNA replication of the autonomous parvovirus minute virus of mice

S F Cotmore  1 , M Gunther, P Tattersall
Affiliations

Evidence for a ligation step in the DNA replication of the autonomous parvovirus minute virus of mice

S F Cotmore et al. J Virol. 1989 Feb.

Abstract

Newly replicated DNA of the autonomous parvovirus minute virus of mice was pulse-labeled with 32PO4 during the time of maximal viral DNA replication in highly synchronized A9 cells. The subsequent processing of viral DNA-protein complexes was monitored during a chase period with no label. Several distinct classes of duplex replicative-form and progeny single-stranded DNA molecules were characterized and found to accumulate at different times during infection. Analysis of the terminal structures associated with these various forms provided new insights into the mechanism by which viral DNA replicates and, in particular, suggested that interstrand ligation occurs during this process.

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