ASD-GFP Vectors for In Vivo Expression Technology in Pseudomonas aeruginosa and Other Gram-Negative Bacteria
Author(s) -
Martin Handfield,
Herbert P. Schweizer,
Michael J. Mahan,
F. Sanschagrin,
Tung T. Hoang,
Roger C. Lévesque
Publication year - 1998
Publication title -
biotechniques
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.617
H-Index - 131
eISSN - 1940-9818
pISSN - 0736-6205
DOI - 10.2144/98242st02
Subject(s) - green fluorescent protein , biology , plasmid , bacteria , reporter gene , in vivo , pseudomonas aeruginosa , gene , gene expression , mutant , microbiology and biotechnology , selectable marker , genetics
We describe the construction of promoter probe vectors designed for identification of bacterial genes induced in vitro and/or in vivo and for measurement of gene expression levels for in vivo expression technology. These plasmids use the Pseudomonas aeruginosa aspartate beta-semialdehyde dehydrogenase (asd) gene as a selectable marker and beta-galactosidase (pIVPRO, 10.88 kb) or mutant green fluorescent protein with enhanced fluorescence properties (mut3GFP, pIVET-GFP, 5.48 kb) as reporter gene systems. The proposed strategies can be adapted for use in most Gram-negative bacteria.
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