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Fig. 5. UNC-GFP localization in sensory neurons. (A,B) A singly innervated
macrochaete bristle showing a focus of Unc-GFP labeling (arrow) near the end
of the sensory process. The neuronal process and the ciliary outer segment are
labeled with anti-HRP (red); autofluoresence from the cuticle outlines the
bristle and socket in green. (C) Clustered spots of Unc-GFP (green) label the
multiply innervated olfactory sensilla on the third antennal segment. Nuclei
are labeled with propidium iodide (red). The boxed region is enlarged in the
inset, without the nuclear labeling. (D) Two embryonic lateral chordotonal
clusters. Anti-22C10 (red) labels the neuronal and inner dendritic segments,
but not the ciliary outer segments. Each neuron shows two labeled spots
(green, arrows), with the more proximal at the end of the inner segment. Scale
bars: in A, 1 µm for A,B; in C, 20 µm for C, 4 µm for D.
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