Isolation of a Marine Invertebrate Metamorphosis-Inducing Kairomone
Isolation of a Marine Invertebrate Metamorphosis-Inducing Kairomone
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Date
2014-01-15
Authors
Burkert, Clarissa
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University of Hawaii at Manoa
Abstract
Partial isolation of a compound elaborated by the stony coral Porites compressa, which induces metamorphosis in the nudibranch Phestilla sibogae, has been achieved. The kairomone is a small (M.W.<500) neutral, water soluble molecule, of probable composition C21H23N3O2. It is obtained by freeze- drying the aqueous extract of the live coral. The resulting powder is subjected to prolonged methanol extraction, which produces an active precipitate. Desalting, followed by thin layer chromatography yields the active component, partially pure.
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