✉news ScienceBiology first seen 1 d ago, last 20 h ago, peak #11
Bacterial Uracil Primes Flies to Sense Microbial Danger
Original: Bacterial Uracil in the Larval Gut Primes Adult Flies to Taste Microbial Danger
Researchers report that bacterial uracil encountered in the gut during the larval stage primes fruit flies to detect and avoid microbial threats as adults, suggesting an early-life gut signal shapes long-lasting taste-mediated defense behavior. The finding links gut microbiota chemistry to sensory programming across life stages in insects.
Why now: It offers new insight into how early gut microbial exposure programs adult sensory behavior, a topic of broad interest in biology.
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