Biofilm closeup (IMAGE)
Caption
Dartmouth researchers explored how bacteria species coexist in communities known as biofilms, which can cause serious infections and are notoriously difficult to treat. This microscopy image shows a biofilm with the three bacterial species the researchers studied: Pseudomonas aeruginosa (yellow), Escherichia coli (pink/purple), and Enterococcus faecalis (blue/green). The found that P. aeruginosa dominates the other species before receding when the host surface becomes too crowded. When the other species surge, the dominant bacteria returns.
Credit
Carey Nadell
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