Researchers have discovered that naked mole-rat queens utilize a chemical signal to suppress fertility in rival females, maintaining their reproductive dominance within the colony. This single chemical enforces the unique social structure of these animals.
A new study reveals how naked mole-rat queens maintain control over reproduction in their colonies. Unlike most mammals where multiple females may breed, naked mole-rats exhibit an eusocial system – similar to bees and ants – with only one breeding female: the queen. Researchers found that a single chemical produced by the queen is responsible for inhibiting reproductive function in other females.
The study, as reported by ars_technica_science, demonstrates that this chemical signal effectively prevents subordinate females from becoming fertile. This ensures the queen remains the sole reproducer within the colony, solidifying her position and maintaining the established social order. The precise mechanism of how the chemical suppresses fertility is still under investigation, but its existence confirms a long-held hypothesis about reproductive control in these unusual creatures.
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