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Fig. 5 Paraxial FGF Signaling Is Maintained in ntl/bra Embryos
(A–P) pea3 and (Q–T) fgf8 expression at the indicated stages in uninjected and MO2-injected wild-type siblings and ntl mutants. Embryos are shown from an (A–D) animal view with dorsal to the right, (E–H) vegetal view with dorsal to the right, and (I–T) posterior view with dorsal to the top. Arrow marks the posterior notochord.
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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