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MAPseq2: a sensitive barcoded connectomics method
Hyopil Kim1, Huihui Qi1, Craig Washington1
1Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, USA.
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The barcoded connectomics tool MAPseq enables highly multiplexed projection mapping of individual neurons by translating neuroanatomy into a format solvable by DNA sequencing. Here we present MAPseq2, a user-friendly protocol with up to ~10-fold increased sensitivity compared to the current state of the art and ~10-fold decreased cost. As MAPseq workflows are used across a range of barcoded connectomics methods, including BARseq, BRICseq, and ConnectID, all improvements in MAPseq2 directly transfer to these technologies.
