Bacterial biofilm


These bacteria work together to survive.


A colony of millions Pseudomonas aeruginosa bacteria.
A colony of millions Pseudomonas aeruginosa bacteria.
Scott Chimileski and Roberto Kolter, Harvard Medical School, Boston

This image shows an intricate colony of millions of the single-celled bacterium Pseudomonas aeruginosa, a common culprit in hospital-acquired infections.

The bacteria have self-organized into a sticky, mat-like colony called a biofilm, which allows them to cooperate with each other, adapt to changes in their environment, and ensure their survival.


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