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Drosphila aberrant courtship behavior III

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Published on Feb 7, 2014

Overexpression of DmP29 (CG3776) in newly eclosed vinegar flies (Drosophila melanogaster) reduced ovarian development and fecundity in addition to reducing the abundance of aggregation pheromone in males and courtship pheromone in females. Females exhibited reduced receptivity to mating, and males exhibited male-male courtship behavior, with both sexes being hyperactive.

Pheromones that normally inhibit male-male courtship interactions are absent in these flies. Note the extended wings ("singing") associated with Drosophila courtship behavior, and lines of males each attempting to court the male in front.

See www.ent.iastate.edu/dept/faculty/bonning/projects/juvenile-hormone-esterase for additional information.

Video by Dr. Zhiyan Liu

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