Abstract：
:Parsing diverse nerve cells into biological types is necessary for understanding neural circuit organization. Morphology is an intuitive criterion for neuronal classification and a proxy of connectivity, but morphological diversity and variability often preclude resolving the granularity of neuron types. Combining genetic labeling with high-resolution, large-volume light microscopy, we established a single neuron anatomy platform that resolves, registers, and quantifies complete neuron morphologies in the mouse brain. We discovered that cortical axo-axonic cells (AACs), a cardinal GABAergic interneuron type that controls pyramidal neuron (PyN) spiking at axon initial segments, consist of multiple subtypes distinguished by highly laminar-specific soma position and dendritic and axonal arborization patterns. Whereas the laminar arrangements of AAC dendrites reflect differential recruitment by input streams, the laminar distribution and local geometry of AAC axons enable differential innervation of PyN ensembles. This platform will facilitate genetically targeted, high-resolution, and scalable single neuron anatomy in the mouse brain.
journal_name
Cell Repjournal_title
Cell reportsauthors
Wang X,Tucciarone J,Jiang S,Yin F,Wang BS,Wang D,Jia Y,Jia X,Li Y,Yang T,Xu Z,Akram MA,Wang Y,Zeng S,Ascoli GA,Mitra P,Gong H,Luo Q,Huang ZJdoi
10.1016/j.celrep.2019.02.040subject
Has Abstractpub_date
2019-03-12 00:00:00pages
3145-3159.e5issue
11issn
2211-1247pii
S2211-1247(19)30211-6journal_volume
26pub_type
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