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Fig. 3. RhoGEF2 and nullo/sry-
cooperate in furrow canal
formation. (A-E) Embryos from RhoGEF21.1 germline clones
were injected at the posterior pole with the following dsRNA: (A)
Bsg25D, (B,E) nullo, (C,D) sry-
, and stained
for DNA (blue), F-actin (green), Sry-
(red). Loss of Sry-
protein and loss of furrow canals (marked by F-actin, optical transversal
sections, D,E) correlates with the posterior site of dsRNA injection as shown
by respective antibody staining (C). Scale bars: (A-C) 50 µm, (D,E) 10
µm. Posterior to the right, arrow indicates injection site.