Hickory dickory dock, the bean bug brain’s biological clock

Researchers have found that photoperiod variation in bean bugs is regulated by genes involved in maintaining circadian rhythm via the neurotransmitter glutamate. The discovery of this mechanistic link between the biological clock and seasonal variation may have important implications for seasonal adaptation in other animals, given the conservation of glutamate across many species.Researchers have found that photoperiod variation in bean bugs is regulated by genes involved in maintaining circadian rhythm via the neurotransmitter glutamate. The discovery of this mechanistic link between the biological clock and seasonal variation may have important implications for seasonal adaptation in other animals, given the conservation of glutamate across many species.

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