Fig. 3. repo, pointed and ttk are expressed independent of each other. (A-C) The expression of repo was demonstrated using a REPO antibody. (A) In wild-type embryos, REPO is expressed in all CNS glia except the midline glia. REPO-positive glial cells were still present in pnt^D88 (B) or ttk^1e11 (C) mutant embryos. (D) A pointed enhancer-trap strain (pnt^rM254) expressed ß-galactosidase in CNS glia that expressed REPO. (E) pnt^rM254 was expressed in CNS glia in repo mutant embryos. (F) A ttk enhancer-trap strain (ttk⁰²¹⁹) expressed ß-galactosidase in all CNS glia, in wild-type (F) as well as repo (G) mutant embryos. Anterior is upwards in A-C and leftwards in D-G.

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