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Construction and analysis of miniplasmids of the colicin Ib plasmid
Abstract:
Miniplasmids of the colicin Ib (ColIb) plasmid have been isolated from two Tn5-induced mutants of ColIb and their structure determined. These have then been used to order the sequence of restriction endonuclease fragments of the whole plasmid. In addition, the sites of the colicin, colicin immunity, and abortive infection gene have been determined in relation to the restriction sites. By comparison of the miniplasmids with other "I" incompatibility group plasmids, the probable location of the incompatibility gene and the origin of replication have been confirmed.
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