Fig. 5

Scanning electron microscopy (SEM) images of a P. aeruginosa hpBIOMs. a Within the biofilm, bacteria were attached in close vicinity on the surface of the matrix, to develop microcolonies (arrows, dotted lines). b One h after supplementation of L. plantarum, probiotics arrive the colonies (arrows, straight lines), production of the EPS and scattered interactions were visible. c After 4 h, L. plantarum has produced a strong glycokalyx, which seemed to cover and subsequently destroy Pseudomonas