Author:
Oyibo Hassana,Cao Cang,Ferrante Daniel D.,Zhan Huiqing,Koulakov Alex,Enquist Lynn,Dubnau Joshua,Zador Anthony
Abstract
There is growing interest in determining the connectivity of neural circuits—the “connectome”—at single neuron resolution. Most approaches to circuit mapping rely on either microscopy or physiology, but these approaches have very limited throughput. We have recently proposed BOINC (Barcoding of Individual Neuronal Connectivity), a radically different approach to connectivity mapping based on high-throughput DNA sequencing. Here we describe the set of computational algorithms that serve to convert sequencing data into neural connectivity. We apply our computational pipeline to the results of proof-of-principle experiments illustrating an implementation of BOINC based on pseudorabies virus (PRV). PRV is capable of traversing individual synapses and carry DNA barcodes from one cell to another. Using this high-throughput sequencing data, we obtain 456-by-486 connectivity matrix between putative neurons. An inexpensive high-throughput technique for establishing circuit connectivity at single neuron resolution would represent a major advance in neuroscience.
Publisher
Cold Spring Harbor Laboratory
Cited by
5 articles.
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