Genderblind
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Genderblind, also known as CG6070, is a gene that was discovered in Drosophila melanogaster by University of Illinois at Chicago researcher David Featherstone.<ref name="LiveScience">"Homosexuality Turned On and Off in Fruit Flies", LiveScience, 9 December 2007, accessed 10 December 2007</ref> The gene encodes a member of the cystine/glutamate transporter family of proteins.
Genderblind protein is expressed in glial cells where it secretes the neurotransmitter glutamate and regulates the organization of glutamate receptors.<ref name="Augustin">Template:Cite journal</ref>
A mutation in Genderblind alters the sexual behavior of Drosophila, turning the flies bisexual.<ref name="LiveScience"/> Drosophila given drugs to alter synapse strength, independent of the Genderblind mutation, allowed researchers to "turn fly homosexuality on and off, within hours".<ref name="LiveScience"/> The researchers believe this effect is due to the flies' altered response to pheromones.