Phenotypes of L. enzymogenes wild-type and mutant strains. (A) Gliding motility assay conducted with 10% TSA. (B) Growth in LB broth, showing the adherence of mutant strains to glass. (C) In vitro antimicrobial activity assay performed with wild-type and mutant strains challenged with P. ultimum grown on 10% TSA. Spot 1, C3; spot 2, 5E4; spot 3, DC211; spot 4, P1; spot 5, DCA2422; spot 6, mock inoculation control.