Elsevier

Gene

Volume 148, Issue 1, 11 October 1994, Pages 81-86
Gene

Short communication
Construction of improved Escherichia-Pseudomonas shuttle vectors derived from pUC18/19 and sequence of the region required for their replication in Pseudomonas aeruginosa

https://doi.org/10.1016/0378-1119(94)90237-2Get rights and content

Abstract

The nucleotide sequence of the 1.9-kb PstI fragment from pRO1614, that allows stable maintenance ofpMB1(ColE1)-based cloning vectors in Pseudomonas, was determined. This fragment encodes a putative origin of replication (ori), a replication-controlling protein, and the C terminus of the Tn3 β-lactamase-encoding gene. Improved versions of the broad-host-range plasmid vectors, pUCP18 and pUCP19, were constructed by deletion of nonessential DNA or replacement of nonessential DNA with an antibiotic-resistance cassette.

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    Requests for plasmids should be sent to Dr. H.P. Schweizer, Department of Microbiology and Infectious Diseases, University of Calgary Health Sciences Center, Calgary, Alberta T2N 4N1, Canada. Tel. (403) 220-8302; Fax (403) 283-8814;

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