PMID: 12770258May 29, 2003Paper

Juvenile hormone titers, juvenile hormone biosynthesis, ovarian development and social environment in Bombus terrestris

Journal of Insect Physiology
Guy BlochAbraham Hefetz

Abstract

The effects of the social environment and age on juvenile hormone (JH) and reproduction were investigated by measuring ovarian development, hemolymph levels of JH III, and rates of JH biosynthesis from the same individual bumble bees (Bombus terrestris). Differences in social environment were associated with differences in rates of JH biosynthesis, JH titer and ovarian development. Young queenless workers had a higher rate of JH biosynthesis, JH titer and ovarian development than queenright (QR) workers of similar age. Dominant workers in QR colonies had a higher rate of JH biosynthesis, JH titer and ovarian development than low ranked workers of similar size. There was a positive correlation between JH titer and ovarian development, but no correlation between rate of JH biosynthesis and ovarian development or between JH biosynthesis and JH titer. Both JH titer and rate of JH biosynthesis increased with age from emergence to 3 days of age, but 6-day-old workers, egg-laying workers, and actively reproducing queens had high JH titers and highly developed ovaries but low rates of JH biosynthesis. These results show that reproduction in B. terrestris is strongly affected by the social environment and the influence of the environmen...Continue Reading

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Citations

Oct 12, 2010·Analytical and Bioanalytical Chemistry·Arti T NavareFacundo M Fernández
Jul 21, 2011·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Clint A PenickColin S Brent
May 2, 2013·Journal of Insect Physiology·Jakob WegenerKaspar Bienefeld
Jun 22, 2011·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Guy Bloch, Christina M Grozinger
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Aug 29, 2012·PloS One·Crisalejandra Rivera-PerezFernando G Noriega
Feb 25, 2005·Proceedings of the National Academy of Sciences of the United States of America·Tugrul GirayMary Jane West-Eberhard
Jun 20, 2014·Integrative and Comparative Biology·Elizabeth A Tibbetts
Dec 25, 2008·Journal of Neurogenetics·Konstantin G Iliadi
Feb 22, 2012·Hormones and Behavior·Elizabeth A Tibbetts, Michael J Sheehan
Mar 23, 2010·Journal of Insect Physiology·Shinya AkasakaTakashi Nagao
Mar 1, 2008·Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology·Aline MackertZilá Luz Paulino Simões
Feb 9, 2008·Journal of Insect Physiology·Stephen T Trumbo, Gene E Robinson
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