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. 1978 Jun;134(3):1117–1122. doi: 10.1128/jb.134.3.1117-1122.1978

Replication of the nonconjugative plasmid RSF1010 in Escherichia coli K-12.

J de Graaff, J H Crosa, F Heffron, S Falkow
PMCID: PMC222362  PMID: 350840

Abstract

Replicating DNA molecules of the nonconjugative R plasmid RSF1010 (Smr Sur) were cleaved with the EcoRI restriction endonuclease and examined with the electron microscope. Results of this analysis indicated that replication is initiated from an origin located at about 19% of total genome size from one of the EcoRI ends. Replication proceeded either unidirectionally or bidirectionally with equal frequency. Results of the analysis of replicative intermediates of RSF1010 containing the Apr-transposable sequence (Tn) are also presented.

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Selected References

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