Author:
Gay P,Le Coq D,Steinmetz M,Berkelman T,Kado C I
Abstract
We constructed the broad-host-range plasmid pUCD800 containing the sacB gene of Bacillus subtilis for use in the positive selection and isolation of insertion sequence (IS) elements in gram-negative bacteria. Cells containing pUCD800 do not grow on medium containing 5% sucrose unless the sacB gene is inactivated. By using pUCD800, we isolated a 1.4-kilobase putative IS element from Agrobacterium tumefaciens NT1RE by selection for growth on sucrose medium. This putative IS element appears to be unique to Agrobacterium strains.
Publisher
American Society for Microbiology
Subject
Molecular Biology,Microbiology
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