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Functional Evaluation of Olfactory Pathways in Living Xenopus Tadpoles
Published on: December 11, 2018
Functional assays for insect olfactory receptors in Xenopus oocytes
Tatsuro Nakagawa1, Kazushige Touhara
1Biological/Pharmacological Research Laboratories, Japan Tobacco Inc., Central Pharmaceutical Research Institute, Osaka, Japan.
Methods in Molecular Biology (Clifton, N.J.)
|September 10, 2013
Summary
Functional analysis of insect olfactory receptors is facilitated using Xenopus laevis oocytes. This method allows for efficient expression and characterization of insect olfactory and pheromone receptors.
Area of Science:
- Molecular Biology
- Neuroscience
- Biochemistry
Background:
- Heterologous expression systems are crucial for analyzing olfactory and pheromone receptors.
- Xenopus laevis oocytes offer an efficient system for expressing insect olfactory receptors.
Purpose of the Study:
- To describe a method for functional assays of insect olfactory receptors using Xenopus laevis oocytes.
- To detail the steps involved in receptor expression and electrophysiological recording.
Main Methods:
- In vitro complementary RNA (cRNA) synthesis.
- Isolation of Xenopus laevis oocytes.
- Microinjection of cRNA into oocytes.
- Two-electrode voltage-clamp recording.
Main Results:
- Successful expression of insect olfactory receptors in Xenopus oocytes.
- Demonstration of functional assays for receptor characterization.
- Identification of odor and pheromone ligands is feasible.
Conclusions:
- Xenopus laevis oocytes provide a robust platform for insect olfactory receptor functional analysis.
- This system aids in understanding receptor-ligand interactions and structure-function relationships.
