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Genetics and Genomics Commons

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City University of New York (CUNY)

Molecular Genetics

Olfaction

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Full-Text Articles in Genetics and Genomics

Employing High Probability Gene Choice Elements To Understand Singular Odorant Receptor Expression, Raena Mina Sep 2020

Employing High Probability Gene Choice Elements To Understand Singular Odorant Receptor Expression, Raena Mina

Dissertations, Theses, and Capstone Projects

The ability to detect odorous chemicals in the environment is the oldest of the senses necessary for survival, from escaping danger, finding mates, to locating food. It is said that humans can identify and discriminate up to a trillion different odor mixtures. For chemoreception to have such a high discriminatory power, would require a diverse population of cells dedicated for odor detection. These detector cells are the olfactory sensory neurons (OSNs), which express odorant receptors (ORs) that bind to chemical odors in the environment. In order to increase specificity and sensitivity, an essential property in olfaction is for each OSN …


Receptor-Mediated Maturation Of Olfactory Sensory Neurons: A Time Course Evaluation Of Neuronal Maturation In Neomorphic Mutants, Elizabeth Miller May 2019

Receptor-Mediated Maturation Of Olfactory Sensory Neurons: A Time Course Evaluation Of Neuronal Maturation In Neomorphic Mutants, Elizabeth Miller

Theses and Dissertations

How expression of odorant receptors affects the maturation of olfactory sensory neurons (OSNs) is not known. In a time course experiment, we show that wild type OSNs mature significantly more than those expressing Neomorphic mutant receptors. We conclude that functional receptors are critical to the differentiation and survival of OSNs.