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Fig. S2
bra Expression is Initiated and Maintained in Mesodermal Precursors of ntl -/- Embryos
(A–F) bra expression at the indicated stages in wildtype siblings and ntl -/- embryos shows proper initiation of bra in the margin and continued expression in the mesodermal precursors of ntl -/- embryos (arrows). Expression of bra is lost in the notochord of ntl -/- embryos (arrowheads). Embryos are shown from a (A, B) dorsal view with the animal pole to the top, (C, D) vegetal view with dorsal to the right, and (E, F) posterior view with dorsal to the top.
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Reprinted from Developmental Cell, 15(1), Martin, B.L., and Kimelman, D., Regulation of canonical Wnt signaling by Brachyury is essential for posterior mesoderm formation, 121-133, Copyright (2008) with permission from Elsevier. Full text @ Dev. Cell