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Fig. 1. Src64, Tec29 and anillin localization in wild-type and src64
mutants during cellularization. Cross-sections of a wild-type (A) and a
src64
17 mutant (B) embryo, and sagittal
sections of wild-type (C,E,G) and src64
17
mutant (D,F,H) embryos during cellularization. Embryos were stained with
antibodies to Src64 (A,B), Tec29 (C,D), phosphotyrosine (E,F) and anillin
(G,H). (A) Src64 protein localizes predominantly to the cellularization front
in wild-type embryos but is absent in
src64
17 mutant embryos (B). (C,D) Tec29
localizes strongly to the cellularization front and less strongly to the
apico-lateral membrane in both wild-type and src64 embryos. (E,F)
Phosphotyrosine-containing proteins localize to the cellularization front in
both wild-type embryos and src64 embryos. (G,H) Anillin localizes to
the cellularization front in both wild-type and src64 embryos. Scale
bar: 10 µm.