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A genetic, genomic, and computational resource for exploring neural circuit function

bioRxiv, ISSN: 2692-8205
2018
  • 16
    Citations
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Metrics Details

  • Citations
    16
    • Citation Indexes
      16
      • CrossRef
        16

Article Description

The anatomy of many neural circuits is being characterized with increasing resolution, but their molecular properties remain mostly unknown. Here, we characterize gene expression patterns in distinct neural cell types of the Drosophila visual system using genetic lines to access individual cell types, the TAPIN-seq method to measure their transcriptomes, and a probabilistic method to interpret these measurements. We used these tools to build a resource of high-resolution transcriptomes for 100 driver lines covering 67 cell types, available at http://www.opticlobe.com. Combining these transcriptomes with recently reported connectomes helps characterize how information is transmitted and processed across a range of scales, from individual synapses to circuit pathways. We describe examples that include identifying neurotransmitters, including cases of co-release, generating functional hypotheses based on receptor expression, as well as identifying strong commonalities between different cell types. Highlights Transcriptomes reveal transmitters and receptors expressed in Drosophila visual neuronsTandem affinity purification of intact nuclei (TAPIN) enables neuronal genomicsTAPIN-seq and genetic drivers establish transcriptomes of 67 Drosophila cell typesProbabilistic modeling simplifies interpretation of large transcriptome catalogs

Bibliographic Details

Fred P. Davis; Aljoscha Nern; Serge Picard; Michael B. Reiser; Gerald M. Rubin; Sean R. Eddy; Gilbert L. Henry

Cold Spring Harbor Laboratory

Biochemistry, Genetics and Molecular Biology; Agricultural and Biological Sciences; Immunology and Microbiology; Neuroscience; Pharmacology, Toxicology and Pharmaceutics

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