period expression in the honey bee brain is developmentally regulated and not affected by light, flight experience, or colony type

Insect Biochemistry and Molecular Biology
G BlochG E Robinson

Abstract

Changes in circadian rhythms of behavior are related to age-based division of labor in honey bee colonies. The expression of the clock gene period (per) in the bee brain is associated with age-related changes in circadian rhythms of behavior, but previous efforts to firmly associate per brain expression with division of labor or age have produced variable results. We explored whether this variability was due to differences in light and flight experience, which vary with division of labor, or differences in colony environment, which are known to affect honey bee behavioral development. Our results support the hypothesis that per mRNA expression in the bee brain is developmentally regulated. One-day-old bees had the lowest levels of expression and rarely showed evidence of diurnal fluctuation, while foragers and forager-age bees (> 21 days of age) always had high levels of brain per and strong and consistent diurnal patterns. Results from laboratory and field experiments do not support the hypothesis that light, flight experience, and colony type influence per expression. Our results suggest that the rate of developmental elevation in per expression is influenced by factors other than the ones studied in our experiments, and that...Continue Reading

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Citations

Sep 1, 2005·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Y Ben-Shahar
Nov 4, 2006·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Guy Bloch, Avital Meshi
Apr 22, 2011·Proceedings. Biological Sciences·Ada Eban-RothschildGuy Bloch
Jul 5, 2013·Proceedings. Biological Sciences·Guy BlochWilliam J Schwartz
Jun 22, 2011·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Guy Bloch, Christina M Grozinger
Feb 7, 2012·Journal of Biological Rhythms·Sandra L Rodriguez-ZasGuy Bloch
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Jul 28, 2007·Journal of Insect Physiology·Taro Fuchikawa, Isamu Shimizu
Sep 30, 2010·Journal of Biological Rhythms·Guy Bloch
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Apr 29, 2018·BMC Genomics·Priscila Karla F SantosMaria Cristina Arias
Mar 16, 2007·FASEB Journal : Official Publication of the Federation of American Societies for Experimental Biology·Yair ShemeshGuy Bloch
Dec 8, 2020·Frontiers in Cell and Developmental Biology·Katharina Beer, Charlotte Helfrich-Förster

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