gustatory receptor genes

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Genes which encode in chemosensory neuron proteins that function as taste receptors. For example, in Drosophila melanogaster there are male-specific GR genes that are expressed on appendages including the labial palps of the proboscis, the taste bristles of the fore tarsi, and the maxillary palps. They perceive pheromones (q.v.) that are utilized during mating displays. See courtship rituals.

Subjects: Genetics and Genomics.

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