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Diversity, abundance, and sex-specific expression of chemosensory proteins in the reproductive organs of the locust Locusta migratoria manilensis

  • Xian-Hong Zhou , Li-Ping Ban , Immacolata Iovinella , Li-Jing Zhao , Qian Gao , Antonio Felicioli , Simona Sagona , Giuseppe Pieraccini , Paolo Pelosi , Long Zhang EMAIL logo and Francesca Romana Dani EMAIL logo
Published/Copyright: December 4, 2012
Biological Chemistry
From the journal Biological Chemistry Volume 394 Issue 1

Abstract

Chemosensory proteins (CSPs) are small soluble proteins often associated with chemosensory organs in insects but include members involved in other functions, such as pheromone delivery and development. Although the CSPs of the sensory organs have been extensively studied, little is known on their functions in other parts of the body. A first screening of the available databases has identified 70 sequences encoding CSPs in the oriental locust Locusta migratoria manilensis. Applying proteomic analysis, we have identified 17 of them abundantly expressed in the female reproductive organs, but only one (CSP91) in male organs. Bacterially expressed CSP91 binds fatty acids with a specificity for oleic and linoleic acid, as well as medium-length alcohols and esters. The same acids have been detected as the main gas chromatographic peaks in the dichloromethane extracts of reproductive organs of both sexes. The abundance and the number of CSPs in female reproductive organs indicates important roles for these proteins. We cannot exclude that different functions can be associated with each of the 17 CSPs, including delivery of semiochemicals, solubilization of hormones, direct control of development, or other unknown tasks.

Keywords: accessory glands; CSP91; ligand binding; protein expression; proteomics; testis
Corresponding authors: Long Zhang and Francesca Romana Dani, Department of Entomology, China Agricultural University, Beijing, China; and Mass Spectrometry Centre (CISM), University of Firenze, I-50139 Florence, Italy
Received: 2012-1-30
Accepted: 2012-8-12
Published Online: 2012-12-04
Published in Print: 2013-01-01

©2012 by Walter de Gruyter Berlin Boston

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https://doi.org/10.1515/hsz-2012-0114
Keywords for this article
accessory glands; CSP91; ligand binding; protein expression; proteomics; testis

Articles in the same Issue

  1. Masthead
  2. Masthead
  3. Reviews
  4. Exosomes: the ideal nanovectors for biodelivery
  5. Biological applications of the electrochemical sensing of nitric oxide: fundamentals and recent developments
  6. Minireview
  7. Cerebral cavernous malformation is a vascular disease associated with activated RhoA signaling
  8. Research Articles/Short Communications
  9. Protein Structure and Function
  10. Diversity, abundance, and sex-specific expression of chemosensory proteins in the reproductive organs of the locust Locusta migratoria manilensis
  11. Structure of the Ca2+-saturated C-terminal domain of scallop troponin C in complex with a troponin I fragment
  12. An acetylation site in lectin domain modulates the biological activity of polypeptide GalNAc-transferase-2
  13. Reengineering of subtilisin Carlsberg for oxidative resistance
  14. New insight into the molecular switch mechanism of human Rho family proteins: shifting a paradigm
  15. Cell Biology and Signaling
  16. HbG200-mediated preinduction of heme oxygenase-1 improves bile flow and ameliorates pericentral downregulation of Bsep and Mrp2 following experimental liver ischemia and reperfusion
  17. Effect of silver nanoparticles on human primary keratinocytes
  18. Multifunctional silica nanoparticles for optical and magnetic resonance imaging
  19. Proteolysis
  20. Activation profiles of human kallikrein-related peptidases by matrix metalloproteinases
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