期刊
JOURNAL OF NEUROSCIENCE METHODS
卷 194, 期 2, 页码 312-315出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jneumeth.2010.10.020
关键词
Olfactory circuit; Olfaction; Synapse; GFP; DAB; Antennal lobe
资金
- JSPS
- National Institutes of Health
- National Institute of Child Health and Human Development
Light and electron microscopy (LM and EM) both offer important advantages for characterizing neuronal circuitry in intact brains: LM can reveal the general patterns neurons trace between brain areas, and EM can confirm synaptic connections between identified neurons within a small area. In a few species, genetic labeling with fluorescent proteins has been used with LM to visualize many kinds of neurons and to analyze their morphologies and projection patterns. However, combining these large-scale patterns with the fine detail available in EM analysis has been a technical challenge. To analyze the synaptic connectivity of neurons expressing fluorescent markers with EM, we developed a dual-labeling method for use with pre-embedded brains. In Drosophila expressing genetic labels and also injected with markers we visualized synaptic connections among two populations of neurons in the AL, one of which has been shown to mediate a specific function, odor evoked neural oscillation. Published by Elsevier B.V.
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