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A Single Protein Makes Lovesick Flies Spill Their Guts

Summary by Science News
Producing a male-specific protein in digestion-related neurons may have led to the evolution of an odd “romantic” barfing behavior in one species of fruit flies.

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A single protein makes lovesick flies spill their guts

Producing a male-specific protein in digestion-related neurons may have led to the evolution of an odd “romantic” barfing behavior in one species of fruit flies.

·United States
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Only One Protein Causes Worthy Flies to Overturn Their Guts

Vomiting a droplet of sugar may not seem to be the most romantic gesture of a potential contender. But for a species of fly, males that overturn their guts are quite a catch. Drosophila Subobscura The particular "romantic" fly barfings have been able to evolve by reusing brain cells that generally control [...]

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Science News broke the news in United States on Thursday, August 14, 2025.
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