Dissecting the role of Kr-h1 brain gene expression in foraging behavior in honey bees (Apis mellifera)

Insect Molecular Biology
B Fussnecker, Christina M Grozinger

Abstract

Expression of Krüppel homolog-1 (Kr-h1) in the honey bee brain is strongly associated with foraging behavior. We performed a series of studies to determine if Kr-h1 expression correlates with specific aspects of foraging. We found that Kr-h1 expression is unaffected by flight experience in male bees. Expression was unaffected by behavioral reversion of workers from foraging to brood care, suggesting that expression is not associated with the active performance of foraging, but rather with stable physiological changes. Kr-h1 expression is increased by cGMP treatment in workers, and the Kr-h1 promoter contains a conserved potential cGMP response element. Since cGMP treatment causes precocious foraging, our results suggest that Kr-h1 expression is associated with cGMP-mediated changes in the brain that occur early in the transition to foraging behavior.

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Citations

Jun 1, 2011·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Brendon L FussneckerChristina M Grozinger
Jul 16, 2014·Insect Biochemistry and Molecular Biology·Jiasheng SongShutang Zhou
Apr 28, 2010·Archives of Insect Biochemistry and Physiology·C LucasA Ayali

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