Isolation, characterization, and expression in Escherichia coli of the Pseudomonas aeruginosa rhlAB genes encoding a rhamnosyltransferase involved in rhamnolipid biosurfactant synthesis.

Abstract excerpt

Transposon Tn5-GM-induced mutant strains of Pseudomonas aeruginosa which are unable to produce rhamnolipid biosurfactants and lack rhamnosyltransferase activity have been isolated. The DNA regions flanking the transposon were cloned and used as specific probes for the isolation of the corresponding wild-type genes from a P. aeruginosa wild-type cosmid gene library. Single cosmid clones capable of restoring...

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