Fig. 4. Stbm localization is dynamic in developing ommatidia. In all panels, anti-Arm, which outlines cells, is shown in red and anti-Stbm is shown in green. (A-C) Stbm is uniformly localized to the apical membranes of cells within, and one to two rows posterior to, the morphogenetic furrow. (D-F) By row 6, Stbm is localized strongly to the anterior membranes of R3 and R4, to the boundary between them (arrowhead), and to the tip of R8 where it contacts R1, R7 and R6 (arrow). Also by this point, Stbm has disappeared from the cell membranes of R8, R2 and R5. (G-I) Posterior region of developing eye imaginal disc showing Stbm localization in the cone cells. See text for details. Anterior to the right.

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