Detection and avoidance of a carnivore odor by prey.

  title={Detection and avoidance of a carnivore odor by prey.},
  author={David M. Ferrero and Jamie Lemon and Daniela Fluegge and Stan L. Pashkovski and Wayne J. Korzan and Sandeep R. Datta and Marc Spehr and Markus Fendt and Stephen D. Liberles},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={108 27},
Predator-prey relationships provide a classic paradigm for the study of innate animal behavior. Odors from carnivores elicit stereotyped fear and avoidance responses in rodents, although sensory mechanisms involved are largely unknown. Here, we identified a chemical produced by predators that activates a mouse olfactory receptor and produces an innate behavioral response. We purified this predator cue from bobcat urine and identified it to be a biogenic amine, 2-phenylethylamine. Quantitative… CONTINUE READING