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Free Content Involvement of lectins in the settlement and metamorphosis of marine invertebrate larvae

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Reports of preferential settlement of some marine invertebrate larvae on surface films composed of bacteria and other microorganisms exist in the literature. However, the biochemical processes controlling the interactions involved in the settlement are not completely understood. It has been demonstrated that larvae of the spirorbid polychaete Janua (Dexiospira) brasiliensis settle and metamorphose on films of bacteria. We have proposed a biochemical model for settlement and metamorphosis of the larvae involving lectins (sugar-binding proteins and glycoproteins). We have evidence that a lectin on the surface of the larvae "recognizes" and binds to a glycoconjugate in the exopolymer of marine bacteria. The implications of this model for settlement of invertebrate larvae will be discussed.

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Document Type: Research Article

Publication date: 1985-09-01

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  • The Bulletin of Marine Science is dedicated to the dissemination of high quality research from the world's oceans. All aspects of marine science are treated by the Bulletin of Marine Science, including papers in marine biology, biological oceanography, fisheries, marine affairs, applied marine physics, marine geology and geophysics, marine and atmospheric chemistry, and meteorology and physical oceanography.
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