Abstract
Methanol extracts of the green algaUlva pertusa contain four kinds of glycerolipids that are active as feeding-stimulants for marine herbivorous gastropods. These compounds are digalactosyldiacylglycerol (DGDG), 1,2-diacylglycerly-4′-O-(N,N,N-trimethyl)-homoserine (DGTH), 1-monoacylglyceryl-4'-O-(N,N,N-trimethyl)-homoserine (MGTH), and 6-sulfoquinovosyldiacylglycerol (SQDG). The various gastropods exhibit marked specificity, however, as young abaloneHaliotis discus respond to DGDG and DGTH at minute dosages of 20–30 μg/sample zone, but do not respond to 300 μg of SQDG, which is a phagostimulant for two other kinds of gastropods,Turbo comutus andOmphalius pfeifferi.
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Chemical Studies on Phagostimulants for Marine Gastropods. Part VI. For Part V, see Sakata et al. (1986b).
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Sakata, K., Sakura, T. & Ina, K. Algal phagostimulants for marine herbivorous gastropods. J Chem Ecol 14, 1405–1416 (1988). https://doi.org/10.1007/BF01020144
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DOI: https://doi.org/10.1007/BF01020144
Key words
- Phagostimulants
- feeding stimulants
- herbivorous gastropods
- abalone
- Haliotis discus
- Aplysia juliana
- Turbo cornutus
- digalactosyldiacylglycerol
- phosphatidylcholine
- 6-sulfoquinovosyldiacylglycerol
- 1,2-diacylglyceryl-4′-O-(N,N,N-trimethyl)-homoserine
- 1-monoacylglyceryl-4′-O-(N,N,N-trimethyl)-monoserine
- Ulva pertusa
- alga
- glycerolipids