Oribatid mites as a major dietary source for alkaloids in poison frogs.

  title={Oribatid mites as a major dietary source for alkaloids in poison frogs.},
  author={Ralph A. Saporito and Maureen A. Donnelly and Roy A. Norton and H Martin Garraffo and Thomas F. Spande and John W. Daly},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={104 21},
Alkaloids in the skin glands of poison frogs serve as a chemical defense against predation, and almost all of these alkaloids appear to be sequestered from dietary arthropods. Certain alkaloid-containing ants have been considered the primary dietary source, but dietary sources for the majority of alkaloids remain unknown. Herein we report the presence of approximately 80 alkaloids from extracts of oribatid mites collected throughout Costa Rica and Panama, which represent 11 of the approximately… CONTINUE READING
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