Figure 3: Confocal laser scanning microscopy images showing 24-hour biofilms formed in the presence or not of phiIPLA-RODI at an MOI of 10−5.

(A and C) untreated IPLA 1 biofilm. (B and D) IPLA1 biofilm formed with phage. Samples were stained with SYTO® 9 and PI. Green represents live cells and red represents dead cells or eDNA.