Despite the presence of many antimicrobial compounds in your contact lens storage solution, you find that Pseudomonas aeruginosa biofilms containing numerous live bacteria persist in your contact lens case for weeks. However, if you suspend a culture of the same strain of planktonic P. aeruginosa in the same lens storage solution, all the bacteria are dead after just a few hours. What are three possible factors that could account for this discrepancy?
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Biofilm formation: Biofilms are complex, structured communities of bacteria that are encased in a self-produced extracellular polymeric substance (EPS). The EPS matrix provides protection to the bacteria within the biofilm, making them more resistant to Show more…
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