In vivo competition experiments in K. pneumoniae ATCC 13883 and porin mutants.

The relative fitness of porin mutants in comparison with parental strain (ATCC 13883) or between porin mutants was determined by competition experiments in co-cultures. The values for each mouse are represented individually. Violet diamond, ATCC 13883 wild type strains. Orange square, ΔOmpK35 mutant. Red square, ΔOmpK36 mutant. Green square, OmpK36GD mutant. Blue circle, ΔOmpK35ΔOmpK36 mutant. Pink circle, ΔOmpK35OmpK36GD mutant.