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Bee brain circuits explain colony job shifts
Times of India··22 Jul
Honeybee colonies organise work without a central leader, and researchers link specific brain circuits to age-based job changes in worker bees. Young bees nurse the queen and larvae, middle-aged bees build and guard, and older bees forage outside the hive. A Heinrich Heine University Dusseldorf study published in PNAS focused on the doublesex gene active in select brain circuits.
Prism
What It Means For You
- Understanding bee colony coordination offers a biological model for decentralised decision-making without central leadership.
- The findings may eventually inform studies of cooperation in other animals and even distributed human systems.
- Science students following PNAS research can see how gene-linked brain circuits shape social roles over a lifetime.
What's Happening
- Researchers from Heinrich Heine University Dusseldorf and partners identified brain circuits linked to the doublesex gene in worker bees.
- Slowing those circuits made older bees resume queen-care tasks usually performed only by younger hive members.
- Findings were published in the Proceedings of the National Academy of Sciences, Science X reported on July 21.
The Bigger Question
- Honeybee colonies shift jobs by age: nursing, building, guarding, then foraging, yet flex when younger bees are lost.
- Professor Martin Beye's team had earlier shown switching off doublesex made older bees return to nursing duties.
- Lead author Dr Jana Seiler said inhibiting specific neurons let researchers control which tasks worker bees performed.
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