期刊
FEBS LETTERS
卷 579, 期 22, 页码 4961-4965出版社
WILEY
DOI: 10.1016/j.febslet.2005.07.085
关键词
juvenile hormone; vitellogenin; ultraspiracle; age polyethism; honey bee
资金
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) [99/00719-6] Funding Source: FAPESP
Functionally sterile honey bee workers synthesize the yolk protein vitellogenin while performing nest tasks. The subsequent shift to foraging is linked to a reduced vitellogenin and an increased juvenile hormone (JH) titer. JH is a principal controller of vitellogenin expression and behavioral development. Yet, we show here that silencing of vitellogenin expression causes a significant increase in JH titer and its putative receptor. Mathematically, the increase corresponds to a dynamic dose-response. This role of vitellogenin in the tuning of the endocrine system is uncommon and may elucidate how an ancestral pathway of fertility regulation has been remodeled into a novel circuit controlling social behavior. (c) 2005 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.
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