BpsA, also known as biofilm polysaccharide A, is a polysaccharide that is produced by certain bacteria, particularly Pseudomonas aeruginosa. It is part of the extracellular matrix that contributes to the biofilm formation by these bacteria. Biofilms are complex communities of microorganisms that adhere to surfaces and are surrounded by a self-produced protective matrix, which can include polysaccharides, proteins, and other materials.
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