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Surfactin production of B. velezensis strains BBC023 and BBC047, assemblage of biofilms in MSgg, motility and adherence. (A) Production of surfactins and biofilms in MSgg medium. (B) Swarming motility in a 9 cm plate with semisolid LB medium. (C) Surface adhesion in test tube (15 × 1 cm). Letters a and b indicate All evaluations were carried out at 48 h (images of biofilm structures were modified from Salvatierra-Martinez et al. [22]).
