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High-throughput Analysis of Mammalian Olfactory Receptors: Measurement of Receptor Activation via Luciferase Activity
Published on: June 2, 2014
A rapid genotyping assay for segregating human olfactory receptor pseudogenes
Craig S Hinkley1, Lindita Ismaili
1Department of Biological Sciences, Kingsborough Community College, Brooklyn, New York 11235, USA. chinkley@kbcc.cuny.edu
Journal of Biomolecular Techniques : JBT
|September 25, 2012
Summary
Understanding genetic variations in olfactory receptors (ORs) can explain differences in odor perception. A new PCR assay efficiently genotypes individuals for 49 human OR genes, aiding ligand identification and personalized olfaction studies.
Area of Science:
- Genetics
- Olfactory Neuroscience
- Molecular Biology
Background:
- Individual differences in odor perception are linked to olfactory receptor (OR) gene variations.
- Identifying specific odorant ligands for the hundreds of human ORs is crucial but challenging, with ligands known for only 2-3%.
Purpose of the Study:
- To develop a method for identifying potential odorant ligands by analyzing OR gene polymorphisms.
- To genotype individuals for segregating human OR genes to correlate with odor perception.
Main Methods:
- Developed a PCR-based assay to differentiate between intact and pseudogene alleles of 49 human OR genes.
- The assay is designed for rapid, high-throughput genotyping using standard laboratory equipment.
Main Results:
- Successfully created a PCR assay to determine genotypes for 49 segregating human OR genes.
- The assay facilitates the study of genotype-phenotype correlations in odor perception.
Conclusions:
- This assay enables large-scale genotyping for human OR genes, accelerating the identification of odorant ligands.
- The PCR method is adaptable for genotyping single nucleotide polymorphisms in any gene or locus.
