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- Title
Differential expression of HR38 in the mushroom bodies of the honeybee brain depends on the caste and division of labor
- Authors
Yamazaki, Yurika; Shirai, Kenichi; Paul, Rajib Kumar; Fujiyuki, Tomoko; Wakamoto, Akiko; Takeuchi, Hideaki; Kubo, Takeo
- Abstract
Abstract: We used a cDNA microarray to identify genes expressed in a caste (worker)- and division of labor (nurse bees or foragers)-dependent manner in the honeybee brain. Among the identified genes, one encoded a putative orphan receptor (HR38) homologue that mediates ecdysteroid-signaling. Real-time reverse transcription-polymerase chain reaction indicated that expression of this gene is higher in forager brains, as compared to nurse bees and queens. In the forager brain, expression was concentrated in a subset of the mushroom body neurons, suggesting that ecdysteroid-signaling in the mushroom bodies might be involved in the division of labor of the workers.
- Subjects
BEES; GENES; HEREDITY; HYMENOPTERA
- Publication
FEBS Letters, 2006, Vol 580, Issue 11, p2667
- ISSN
0014-5793
- Publication type
Article
- DOI
10.1016/j.febslet.2006.04.016