A hybrid bacteriophage, P420, was constructed in vitro; it contains part of bacteriophage P4 and a 3.6-kilobase derivative of plasmid ColE1. In Escherichia coli, the plasmid-phage hybrid can exist as ...
Proceedings of the National Academy of Sciences of the United States of America, Vol. 84, No. 14 (Jul. 15, 1987), pp. 4781-4785 (5 pages) RepA, an initiation protein of R1 plasmid replication, was ...
Plasmids, small circular DNA molecules found in bacteria, may contain antibiotic-resistance genes and have the ability to replicate independently. Bacteria can transfer these plasmids to one another, ...
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