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Fig. 4. Arhgef11 is not required for formation of Kupffer's vesicle and
cilia. (A,B) Posterior region of live, uninjected WT and
MO-injected embryos. The inset is a magnified view of Kupffer's vesicle. White
scale bar, 100 µm; black scale bar, 25 µm. (C,D)
Acetylated tubulin immunostaining of cilia within Kupffer's vesicle. Scale
bar, 10 µm. (E) Comparison of Kupffer's vesicle cilia length for WT
control, MO-injected (AUG, SPL) and vu7/vu7 embryos. The asterisk
marks significantly different lengths (P
0.001).