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Review

The 40-Year Mystery of Insect Odorant-Binding Proteins

Dijon, CNRS, INRAE, Université de Bourgogne Franche-Comté, Centre des Sciences du Goût et de l’Alimentation, 21000 Dijon, France
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Authors to whom correspondence should be addressed.
Current address: Department of Evolutionary Neuroethology, Max Planck Institute for Chemical Ecology, Hans-Knoell-Str. 8, 07745 Jena, Germany.
Academic Editor: Dov Borovsky
Biomolecules 2021, 11(4), 509; https://doi.org/10.3390/biom11040509
Received: 28 February 2021 / Revised: 17 March 2021 / Accepted: 19 March 2021 / Published: 30 March 2021
(This article belongs to the Special Issue Insect Receptors: Biochemical, Physiological and Molecular Studies)
The survival of insects depends on their ability to detect molecules present in their environment. Odorant-binding proteins (OBPs) form a family of proteins involved in chemoreception. While OBPs were initially found in olfactory appendages, recently these proteins were discovered in other chemosensory and non-chemosensory organs. OBPs can bind, solubilize and transport hydrophobic stimuli to chemoreceptors across the aqueous sensilla lymph. In addition to this broadly accepted “transporter role”, OBPs can also buffer sudden changes in odorant levels and are involved in hygro-reception. The physiological roles of OBPs expressed in other body tissues, such as mouthparts, pheromone glands, reproductive organs, digestive tract and venom glands, remain to be investigated. This review provides an updated panorama on the varied structural aspects, binding properties, tissue expression and functional roles of insect OBPs. View Full-Text
Keywords: insect; olfaction; taste; chemosensory functions; non-chemosensory functions; odorant-protein-binding assay; Drosophila melanogaster insect; olfaction; taste; chemosensory functions; non-chemosensory functions; odorant-protein-binding assay; Drosophila melanogaster
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MDPI and ACS Style

Rihani, K.; Ferveur, J.-F.; Briand, L. The 40-Year Mystery of Insect Odorant-Binding Proteins. Biomolecules 2021, 11, 509. https://doi.org/10.3390/biom11040509

AMA Style

Rihani K, Ferveur J-F, Briand L. The 40-Year Mystery of Insect Odorant-Binding Proteins. Biomolecules. 2021; 11(4):509. https://doi.org/10.3390/biom11040509

Chicago/Turabian Style

Rihani, Karen, Jean-François Ferveur, and Loïc Briand. 2021. "The 40-Year Mystery of Insect Odorant-Binding Proteins" Biomolecules 11, no. 4: 509. https://doi.org/10.3390/biom11040509

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