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Fig. 3. Ectopic otic vesicles express the otic marker genes Xdll-3 and Xwnt-3A. Head region of embryos (st. 36) injected with XSmo (B, E, D, G, H) or
XSmo-M2 (F) mRNA (1.5 ng/embryo each, one of two cells) and stained for Xdll-3 (A, B, E, F) or Xwnt-3A (C, D, G, H) expression. Ectopic vesicles in
XSmo-injected embryos expressed Xdll-3 (29%, n 27) and Xwnt-3A (16%, n 31). Ectopic vesicles expressing Xdll-3 also appeared in XSmo-M2-injected
embryos (F, 38%, n 26). is, injected side; nis, noninjected side. |