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. 2017 Oct 24;11:77. doi: 10.3389/fnsys.2017.00077

Figure 6.

Figure 6

Anti-AmTyr1 immunostaining in the antennal nerve. (A) General view of the antennal segments 5 and 6, neurobiotin was injected in the antennal lobe, and the image was obtained by overexposure with the confocal gain to illustrate different types of sensilla (tC–tricoid sensilla type C; Arrow indicates sensilla placodea (p). (B) Details of the ventral area of the antenna at higher magnification (tA, tB1, tricoid sensilla type A and B1 respectively, b-basiconic sensilla). (C) The section via antenna illustrates merged images of the group of ORN cell bodies and various processes labeled with neurobiotin tracer (green) anti-AmTyr1 (magenta), and 4′,6-diamidino-2-pheylindole (DAPI), marking the nucleus, P-indicate the fibers in the sensilla placodea. (D) Images present higher magnifications of details from corresonding squares indicated in (C). (D1) shows of cell bodies and processes labeled with neurobiotin (green) and anti-AmTyr1 staining (magenta, single staining) and nuclei (blue, DAPI). (D2) illustrates only neurobiotin labeled processes (green) and nuclei (DAPI, blue). (D3) illustrates only anti-AmTyr1 (magenta) and nuclei (DAPI). (D4) shows the nuclei staining. The arrow indicates cell bodies that have co-staining with AmTyr1 and neurobiotin. (E) Anti-AmTyr1 (E1 single image, magenta) is in the area of sensilla placodea (p) with dendrites of ORNs labeled with neurobiotin (green E2). The absence of the white staining in merged image (E3) demonstrates that AmTyr1 does not co-label dendrites of labeled ORNs. Scale bar: A = 100 μm; B,E = 20 μm; C = 25 μm; D = 10 μm.