Genetic determinant of pyocin R2 in Pseudomonas aeruginosa PAO

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Abstract
Thirty-seven mutants defective in pyocin R2 production in the P. aeruginosa PAO strain were subjected to fine mapping of pyocin R2 genes by transduction with phage F116L. Sixteen complementation groups (designated prtA through prtP) involved in pyocin R2 production were tentatively identified by complementation tests using phage F116L. Their linkages to trpC and trpE markers and fine mapping by three point crosses demonstrated that most of the mutations (prtA through prtN) were located in between trpC and trpE, and that the prtP mutation was localized outside this major prt cluster but in the proximity of the rifA and strA region.

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