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Gene. 2000 Feb 22;244(1-2):13-9.

Stable shuttle vectors for Neisseria gonorrhoeae, Haemophilus spp. and other bacteria based on a single origin of replication.

Author information

1
Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ontario, Canada.

Abstract

An origin of replication (ori) was obtained from a naturally occurring beta-lactamase-producing plasmid isolated from Neisseria gonorrhoeae and used to construct shuttle vectors capable of replicating in N. gonorrhoeae, Haemophilus ducreyi, Haemophilus influenzae and Escherichia coli. Using the gonococcal proAB genes, we complemented proline-requiring N. gonorrhoeae F62 and E. coli HB101 in trans. The first demonstration of the expression of the green fluorescent protein (GFP) in either N. gonorrhoeae or H. ducreyi was shown using this vector, indicating that GFP may be a useful tool in the analysis of these organisms. This is the first report of a gonococcal vector based on a broad host range, genetically defined ori, and should facilitate the molecular analysis of gonococcal and Haemophilus genes.

PMID:
10689182
DOI:
10.1016/s0378-1119(99)00557-0
[Indexed for MEDLINE]

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