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Fig. 3. Dynactin is required postmitotically to maintain photoreceptor nuclear
positioning. Third instar eyebrain complexes are stained with
anti-Chaoptin (red) and anti-Elav (green). No photoreceptor nuclei
(arrowheads) are seen in the optic stalk in wild type (A). Expression of
dominant-negative Glued or overexpression of Dynamitin in differentiated
photoreceptors under the control of Glass38-1 causes nuclei to
leave the eye disc and enter the optic stalk (B,C, arrowheads).