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. Author manuscript; available in PMC: 2015 Apr 2.
Published in final edited form as: Cell Rep. 2012 Feb 16;1(2):118–132. doi: 10.1016/j.celrep.2011.12.010

Figure 4. Origin and expression pattern of Xcbp1.

Figure 4

(A) Drosophila phylogeny showing the origination of Xcbp1.

(B) Scheme illustrating how the CDS of Cnx99a (green) retroposed (orange) and inserted into the first intron of paralytic (para), generating Xcbp1 (not drawn to scale).

(C) Illustration of the genomic location and orientation of Xcbp1-Gal4 (not drawn to scale).

(D) Expression of Xcbp1-Gal4 in D. melanogaster antenna and maxillary palp (GFP, green; scale bars = 50 μm).

(E) Expression of Xcbp1-Gal4 in D. melanogaster brain (GFP, green; neuropil, red); Top panel, Xcbp1-Gal4 labeling of MB and AL in a half-brain view, full stack (E1). Magnified anterior (E2) and posterior (E3) views of the MB showing labeling of α and β lobes of the MB and the calyx. Bottom panel, ORN specific labeling by the intersection of eyFlp and Xcbp1-Gal4 expression. Antennal nerve specific expression is visible (arrows) in whole-brain view, full stacks (E4). Glomerular labeling of DC4, VC3, V and DM1 is clearly visible in single planes of the middle (E5) and posterior (E6) layers of the AL. Scale bars = 50 μm.

(See also: Figure S4)

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