Pseudomonas aeruginosa is a bacterium that can settle on human lung cells. P. aeruginosa can secrete a signalling molecule that recruits other P. aeruginosa cells. The result of this secretion is the formation of a

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The secretion of a signalling molecule by P. aeruginosa that recruits other cells leads to the formation of a biofilm. A biofilm is a community of microorganisms that adhere to a surface and secrete a protective layer of extracellular material, forming a complex structure.

Pseudomonas Aeruginosa Is a Bacterium That Can Settle on Human