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A Review of "Polychaeta" Chemicals and their Possible Ecological Role
Marina Cyrino Leal Coutinho1, Valéria Laneuville Teixeira2, Cinthya Simone Gomes Santos2
1Department of Marine Biology, Institute of Biology, Federal Fluminense University, Outeiro São João Batista, s/no, P.O. Box 100.644, Niterói, RJ, 24020-150, Brazil. marinacoutinho88@gmail.com.
Abstract:
Despite the many publications concerning the isolation of substances and the many reviews of marine natural products, some groups of organisms remain poorly studied, including "Polychaeta". In response, this review covers articles published through December 2016 that address marine natural products produced from polychaetes, with a focus on antipredatory strategies, competitors, fouling, and pathogens. A total of 121 compounds were isolated from 1934 to 2016, which includes halogenated aromatics, proteins, amino acids and Lumazine derivatives most notably-with a defensive function were found in the literature, most frequently in the families Sabellidae, Terebellidae, Glyceridae, and Nereididae. The period of highest discovery of natural products in defensive actions for the group was the 2000s. Polychaetes were addressed in 26 revisions of the total 51 articles analyzed and are less reported than other marine invertebrates such as sponges, cnidarians, mollusks, and tunicates. In sum, the present review provides a basis for future research on the marine chemical ecology of polychaetes.