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Updated: Jun 4, 2026
09:35
The Identification of Sea Lamprey Pheromones Using Bioassay-Guided Fractionation
Published on: July 17, 2018
Scalarane sesterterpenes from the sponge Hyatella sp.
Ju-eun Jeon1, Jaemin Bae, Kyung Jin Lee
1Natural Products Research Institute, College of Pharmacy, Seoul National University, San 56-1, Sillim, Gwanak, Seoul 151-742, Korea.
Journal of Natural Products
|February 24, 2011
Summary
Marine sponges like Hyatella sp. yielded five new scalarane sesterterpenes. These compounds showed moderate cytotoxicity and antibacterial properties, with weak inhibition of isocitrate lyase.
Area of Science:
- Marine Natural Products Chemistry
- Chemical Ecology
- Pharmacognosy
Background:
- Marine sponges are a rich source of structurally diverse secondary metabolites.
- Scalarane sesterterpenes are a class of compounds known for their biological activities.
- The Hyatella genus has previously yielded bioactive compounds.
Purpose of the Study:
- To isolate and characterize new sesterterpenes from the Korean sponge Hyatella sp.
- To evaluate the biological activities of the isolated compounds, including cytotoxicity and enzyme inhibition.
Main Methods:
- Isolation of compounds using chromatographic techniques.
- Structure elucidation using comprehensive spectroscopic analyses (NMR, MS).
- Assays for cytotoxicity, antibacterial activity, and isocitrate lyase inhibition.
Main Results:
- Five new scalarane sesterterpenes (compounds 7-11) with oxidized furan moieties and a lactam were identified.
- Six known compounds (1-6) were also isolated and characterized.
- The isolated compounds demonstrated moderate cytotoxicity and antibacterial activity.
- Weak inhibitory effects were observed against the enzyme isocitrate lyase.
Conclusions:
- Hyatella sp. from Korean waters is a source of novel scalarane sesterterpenes.
- The identified compounds possess potential as leads for drug discovery due to their cytotoxic and antibacterial activities.
- Further investigation into the mechanism of action and structure-activity relationships is warranted.
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