Scientists discover the hidden brain switch that assigns bees their jobs
Biologists have identified specific neural circuits and the 'doublesex' gene that regulate age-dependent task assignment in honeybee colonies. This discovery explains how colonies maintain organizational efficiency without a central leader.
Why it matters
Understanding the biological mechanisms of social organization in insects provides broader insights into evolutionary genetics and complex system behavior.
Scientists have identified brain circuits that help determine which jobs worker bees perform inside a colony. Biologists from Heinrich Heine University D sseldorf (HHU) and the universities in Cologne and Frankfurt/Main found that they could change bee behavior by manipulating a particular gene and selectively reducing activity in certain neural circuits.
The findings, published in the scientific journal Proceedings of the National Academy of Sciences ( PNAS ), offer new insight into how a colony organizes its workforce without a leader assigning tasks.
Any successful community depends on its members completing the right jobs at the right time. Humans can discuss responsibilities and deliberately assign them, but a bee colony has no central planner. Even so, bees ( Apis mellifera ) divide their work with remarkable efficiency.
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