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Extracellular polymeric substance
Gluey polymers secreted by microorganisms to form biofilms / From Wikipedia, the free encyclopedia
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Extracellular polymeric substances (EPSs) are natural polymers of high molecular weight secreted by microorganisms into their environment.[1] EPSs establish the functional and structural integrity of biofilms, and are considered the fundamental component that determines the physicochemical properties of a biofilm.[2] EPS in the matrix of biofilms provides compositional support and protection of microbial communities from the harsh environments.[3] Components of EPS can be of different classes of polysaccharides, lipids, nucleic acids, proteins, lipopolysaccharides, and minerals.
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