Figure 5. Bacterial dissemination triggered by glycoside hydrolase treatment of Pseudomonas aeruginosa biofilms.

In vitro image system (IVIS) imaging shows that treatment of 48-hour-old mouse chronic wounds, infected with bioluminescent P. aeruginosa, with α-amylase and cellulase (glycoside hydrolase treatment), resulted in systemic spread of the infection (bottom panles). By contrast, systemic spread was not obeserved after treatment with heat-inactivated enzymes (top panels). Modified from Ref.146.