Abstract

Bad Taste Protects Fruit Flies from Eating a Toxic Amino Acid in Plants

Highlights

  • Besides enhancing the pleasure of eating, our sense of taste can steer us away from poisonous foods

  • L-canavanine is so similar to the amino acid L-arginine that it gets incorporated into proteins, rendering them dysfunctional

  • G proteincoupled receptors (GPCRs) include metabotropic glutamate receptors that are activated by glutamate, a neurotransmitter amino acid

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Summary

Introduction

Besides enhancing the pleasure of eating, our sense of taste can steer us away from poisonous foods. Bad Taste Protects Fruit Flies from Eating a Toxic Amino Acid in Plants In this issue of PLoS Biology, new research by Yves Grau and colleagues shows that the fruit fly Drosophila melanogaster can taste L-canavanine.

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