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Signal Transduction by the TGF-β Superfamily

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The Biochemical Basis of an All-or-None Cell Fate Switch in Xenopus Oocytes

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Direct and Long-Range Action of a DPP Morphogen Gradient

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Direct and Long-Range Action of a Wingless Morphogen Gradient

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The zebrafish Nodal signal Squint functions as a morphogen

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Positional information revisited

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The Whereabouts of a Morphogen: Direct Evidence for Short- and Graded Long-Range Activity of Hedgehog Signaling Peptides

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A mesoderm-inducing factor is produced by a Xenopus cell line

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Equivalent genetic roles for bmp7/snailhouse and bmp2b/swirl in dorsoventral pattern formation

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One hundred years of positional information

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The Xenopus Dorsalizing Factor noggin Ventralizes Drosophila Embryos by Preventing DPP from Activating Its Receptor

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The heritage of experimental embryology: Hans Spemann and the organizer

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Two novel nodal-related genes initiate early inductive events in Xenopus Nieuwkoop center

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Activin-mediated mesoderm induction requires FGF

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The Interpretation of Position in a Morphogen Gradient as Revealed by Occupancy of Activin Receptors

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Cleavage of the BMP-4 Antagonist Chordin by Zebrafish Tolloid

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FGF Is Required for Posterior Neural Patterning but Not for Neural Induction

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Control of neurogenesis — lessons from frogs, fish and flies

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Single cells can sense their position in a morphogen gradient

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