Polyoma DNA synthesis in isolated nuclei: evidence for defective replication forks.


Nuclei, isolated from polyoma virus-infected mouse 3T6 cells, were incubated under condtions suitable for polyoma DNA synthesis. By using electrom microscopy and standard regression statistics, it was shown that replication is mainly unidirectional in a large number of molecules, indicating the presence of inactive replication forks. The replication forks… (More)

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