Abstract
RUSH and Warner have suggested that circular double length DNA molecules1–3 of bacteriophage S13 arise during genetic recombination, presumably in a single reciprocal recombination event4–6 between two monomeric circles7. In other systems, however, circular molecules of multiple length are produced by errors in replication8,9. We now demonstrate that most circular multiple length DNA molecules of bacteriophage φX174 arise by replication and that, moreover, some catenated DNA molecules contain interlocked rings of two different parental types.
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BENBOW, R., EISENBERG, M. & SINSHEIMER, R. Multiple Length DNA Molecules of Bacteriophage φX174. Nature New Biology 237, 141–144 (1972). https://doi.org/10.1038/newbio237141a0
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DOI: https://doi.org/10.1038/newbio237141a0
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