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Figure 2


Fig. 2. Grh promotes expression of SJ components in the amnioserosa. Stage-14 control (A,C,E-I,M,N) and ASc381>grh (B,D,J-L,O,P) embryos stained as indicated. Dorsal views of whole embryos (A-D) or of amnioserosa (E-L, single confocal sections; J-J'' are individual channels from one embryo). (M-O) Transverse sections stained as indicated to reveal the apical/basal distributions. (M,O) Upregulated Fas3 (FasIII) in ASc381>grh embryos accumulates apically (green in O, white in O'; e.g. orange arrowheads). (N,P) Dlg is also upregulated in ASc381>grh embryos (green, P; white P') and spreads along the apical surface (e.g. orange arrowheads). (M-P) White arrows mark lateral junction sites.