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Updated: Mar 1, 2026
06:32
Quadruple Immunostaining of the Olfactory Bulb for Visualization of Olfactory Sensory Axon Molecular Identity Codes
Published on: June 5, 2017
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Genome-scale investigation of olfactory system spatial heterogeneity
Torben Noto1, Derrick Barnagian2, Jason B Castro3
1Department of Cognitive Science, University of California San Diego, La Jolla, California, United States of America.
Plos One
|May 26, 2017
Summary
Researchers mapped the mouse olfactory system
Area of Science:
- Neuroscience
- Genomics
- Molecular Biology
Background:
- The early olfactory system features parallel, specialized subsystems.
- Understanding functional specializations requires detailed molecular anatomy.
Purpose of the Study:
- To investigate the genomic anatomy of the early olfactory system.
- To identify novel molecular markers for olfactory subsystems.
Main Methods:
- Utilized the Allen Brain Atlas (ABA) gene expression data.
- Clustered thousands of genes across thousands of brain voxels.
- Derived novel parcellations of the olfactory system.
Main Results:
- Identified several novel parcellations of the olfactory system.
- Discovered new sets of subregion-specific enriched genes.
- Provided a molecular framework for olfactory system organization.
Conclusions:
- Comprehensive genomic analysis reveals detailed olfactory system organization.
- Novel gene sets offer starting points for functional studies.
- The ABA is a valuable resource for mapping brain circuitry.
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