Chemical defense in the microplankton I : Feeding and growth rates of heterotrophic protists on the DMS-producing phytoplankter Emiliania huxleyi

@inproceedings{Strom2003ChemicalDI,
  title={Chemical defense in the microplankton I : Feeding and growth rates of heterotrophic protists on the DMS-producing phytoplankter Emiliania huxleyi},
  author={Suzanne Strom and Gordon V. Wolfe and Jan Holmes and Hilmar A. Stecher and Carolyn Shimeneck and Sarah R. Lambert and Elizandro Moreno},
  year={2003}
}
In this study, the hypothesis that Emiliania huxleyi, a cosmopolitan, bloom-forming coccolithophorid, produces chemical defenses against protist grazers was tested using four axenic strains of the alga. The putative chemical defense involves the cleavage of dimethylsulfoniopropionate (DMSP) by the enzyme DMSP lyase to yield dimethylsulfide (DMS) and acrylate. Out of six tested protist grazer species, five (including ciliates and heterotrophic dinoflagellates) showed lower feeding rates on E… CONTINUE READING

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