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- Title
A novel Takeout-like protein expressed in the taste and olfactory organs of the blowfly, Phormia regina.
- Authors
Fujikawa, Kazuyo; Seno, Keiji; Ozaki, Mamiko
- Abstract
In insects, the functional molecules responsible for the taste system are still obscure. The gene for a 28.5 kDa protein purified from taste sensilla of the blowfly Phormia regina belongs to a gene family that includes takeout of Drosophila melanogaster. Molecular phylogenetic analysis revealed that the Phormia Takeout-like protein is most similar to the protein encoded by a member of the Drosophila takeout gene family, CG14661, whose expression and function have not been identified yet. Western blot analyses revealed that Phormia Takeout-like protein was exclusively expressed in antennae and labellum of the adult blowfly in both sexes. Immunohistochemical experiments demonstrated that Takeout-like protein was localized around the lamella structure of the auxiliary cells and in the sensillar lymph of the labellar taste sensillum. In antennae, Takeout-like protein was distributed at the base of the olfactory sensilla as well. No significant differences in Takeout-like protein expression were found between the sexes. Our results suggest that Phormia Takeout-like protein is involved in some early events concerned with chemoreception in both the taste and olfactory systems.
- Publication
The FEBS journal, 2006, Vol 273, Issue 18, p4311
- ISSN
1742-464X
- Publication type
Journal Article
- DOI
10.1111/j.1742-4658.2006.05422.x