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An exopolymer is a biopolymer that is secreted by an organism into the environment (i.e. external to the organism). These exopolymers include the biofilms produced by bacteria to anchor them and protect them from environmental conditions.[1]


  1. ^ Cho, J. C.; Vergin, K. L.; Morris, R. M.; Giovannoni, S. J. (2004). "Lentisphaera araneosa gen. Nov., sp. Nov, a transparent exopolymer producing marine bacterium, and the description of a novel bacterial phylum, Lentisphaerae". Environmental Microbiology. 6 (6): 611–621. doi:10.1111/j.1462-2920.2004.00614.x. PMID 15142250.