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Insect Olfactory Receptor Neuron (Odorant Receptor) (OR)

Target: OR
Molecular classification: Seven-transmembrane domain protein, Ligand-gated ion channel

Overview

Insect olfactory receptors, also known as odorant receptors (ORs), are specialized proteins expressed in the cell membranes of olfactory sensory neurons (OSNs) in insects. They form heteromeric ligand-gated ion channels with Orco, enabling the detection of volatile chemicals and playing critical roles in behaviors like foraging, mating, and host detection. These receptors are promising targets for pest control strategies.

Other names: Odorant ReceptorOlfactory ReceptorInsect OR

Mechanism of action

Ligand binding opens the ion channel, causing cation influx and neuronal depolarization.

Biological functions

Odor detectionSignal transductionChemoreceptionNeuronal depolarization

Disease associations

Vector-borne diseases (host detection by mosquitoes)

Safety considerations

Potential off-target effects in non-target insect speciesDevelopment of resistance to ligands

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