Extracellular DNA Chelates Cations and Induces Antibiotic Resistance in Pseudomonas aeruginosa Biofilms (original) (raw)
Figure 5
Visualization of DNA as a component of peg-adhered biofilms.
(A) The extracellular stain DDAO demonstrated DNA is a component of PAO1 biofilms cultivated in BM2 on pegs (40× magnification). (B) PI staining indicates the presence of DNA as a mesh-like pattern in 1 day-old biofilms (right panel) (40× magnification). The scale bar equals 10 microns. Images presented are representative of triplicate experiments.