Biogenetic Relationships of Bioactive Sponge Merotriterpenoids
AbstractHydroquinone meroterpenoids, especially those derived from marine sponges, display a wide range of biological activities. However, use of these compounds is limited by their inaccessibility; there is no sustainable supply of these compounds. Furthermore, our knowledge of their metabolic origin remains completely unstudied. In this review, an in depth structural analysis of sponge merotriterpenoids, including the adociasulfate family of kinesin motor protein inhibitors, provides insight into their biosynthesis. Several key structural features provide clues to the relationships between compounds. All adociasulfates appear to be derived from only four different hydroquinone hexaprenyl diphosphate precursors, each varying in the number and position of epoxidations. Proton-initiated cyclization of these precursors can lead to all carbon skeletons observed amongst sponge merotriterpenoids. Consideration of the enzymes involved in the proposed biosynthetic route suggests a bacterial source, and a hypothetical gene cluster was constructed that may facilitate discovery of the authentic pathway from the sponge metagenome. A similar rationale can be extended to other sponge meroterpenoids, for which no biosynthetic pathways have yet been identified. View Full-Text
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Smith, T.E. Biogenetic Relationships of Bioactive Sponge Merotriterpenoids. Mar. Drugs 2017, 15, 285.
Smith TE. Biogenetic Relationships of Bioactive Sponge Merotriterpenoids. Marine Drugs. 2017; 15(9):285.Chicago/Turabian Style
Smith, Thomas E. 2017. "Biogenetic Relationships of Bioactive Sponge Merotriterpenoids." Mar. Drugs 15, no. 9: 285.
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