MrkD_1P from Klebsiella pneumoniae Strain IA565 Allows for Coexistence with Pseudomonas aeruginosa and Protection from Protease-Mediated Biofilm Detachment

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  Fig. S1. Chymotrypsin has a negative effect on IApc35 and BC2 biofilms, and this effect is abrogated by either complementation with mrkD_1P or the addition of antichymotrypsin. Fig. S2. Scanning electron micrographs illustrating the mean cell length of K. pneumoniae wild-type strain IA565, BC2-pBMC12, and BC2-pBMC13. Fig. S3. Effect of PAO1 supernatant on the monospecies biofilms of various strains of K. pneumoniae carrying mrkD_1P or mrkD_1C. Fig. S4. Strains of K. pneumoniae carrying various combinations of mrkD_1C and mrkD_1P are not defective for planktonic growth.

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