FIG. 11.

Pseudomomas phage-derived bacteriocin and filamentous phages from Pseudomonas and Xanthomonas. (A) The gene map of a prophage-like DNA element in P. aeruginosa encoding the bacteriocins pyocin R2 and F2 resembling phage tail modules. Genes with sequence identity to phage tail genes from phage P2 are colored in green, and those with sequence identity to genes from lambdoid phages are in red (Pseudomonas phage D3) or blue (Salmonella phage Gifsy-1 and E. coli phage HK22). The extent of lambda-like and P2-like tail genes is marked by brackets. Further unattributed likely phage tail genes are shown in yellow. For easier orientation, the gene numbers of the first and last genes of this likely recombined prophage remnant are provided. (B) P. aeruginosa PAO1 prophage 2 aligned with filamentous Pseudomonas phage Pf1. The numbers between the maps indicate percent protein sequence identity. The numbers below the Pf1 gene map identify the phage genes from the GenBank entry. (C) Lf-like filamentous prophage from the X. campestris genome. The symmetry axis of the gene map is indicated, as well as the tentative gene functions and sequence similarities to other filamentous phages.