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Odorant-binding proteins and chemosensory proteins in pheromone detection and release in the silkmoth Bombyx mori

Item Type:Article
Title:Odorant-binding proteins and chemosensory proteins in pheromone detection and release in the silkmoth Bombyx mori
Creators Name:Dani, F.R. and Michelucci, E. and Francese, S. and Mastrobuoni, G. and Cappellozza, S. and La Marca, G. and Niccolini, A. and Felicioli, A. and Moneti, G. and Pelosi, P.
Abstract:The genome of the silkmoth Bombyx mori contains 44 genes encoding odorant-binding proteins (OBPs) and 20 encoding chemosensory proteins (CSPs). In this work, we used a proteomic approach to investigate the expression of proteins of both classes in the antennae of adults and in the female pheromone glands. The most abundant proteins found in the antennae were the 4 OBPs (PBP, GOBP1, GOBP2, and ABP) and the 2 CSPs (CSP1 and CSP2) previously identified and characterized. In addition, we could detect only 3 additional OBPs and 2 CSPs, with clearly different patterns of expression between the sexes. Particularly interesting, on the other hand, is the relatively large number of binding proteins (1 OBP and 7 CSPs) expressed in the female pheromone glands, some of them not present in the antennae. In the glands, these proteins could be likely involved in the solubilization of pheromonal components and their delivery in the environment.
Keywords:Bombyx Mori, Chemosensory Protein, MALDI Profiling, Odorant-Binding Protein, Pheromone Glands, Proteomics, Animals, Bombyx, Insects
Source:Chemical Senses
ISSN:0379-864X
Publisher:Oxford University Press (U.S.A.)
Volume:36
Number:4
Page Range:335-344
Date:May 2011
Official Publication:https://doi.org/10.1093/chemse/bjq137
PubMed:View item in PubMed

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