Vertebrate Development Maternal to Zygotic Control (Advances in Experimental Medicine and Biology)

354 Other studies indicate that Nodal signaling is required to pattern the animal–veg- etal (anteroposterior axis) instead of th ...

355 fates are determined by the absolute dosage of Nodal to which a cell is exposed as a function of their distance form the sou ...

356 7.8.3 The Temporal Gradient Model Some recent experiments indicate that cells interpret the length of time they are exposed ...

357 7.8.4 Conclusion In some ways, the Temporal Gradient Model resembles John Saunders’ (1919–2011) Progress Zone Model for limb ...

358 Genes are expressed and regulated in a structured cascade of events, thus form- ing a network with well-defined switching pa ...

359 The effect of diffusion on multispecific morphogen gradients might result in the formation of spatial patterns. At a fundame ...

360 V nm =å nm . = sin( ), 0 a b kX (7.4) where k=(,kknm), and X=(,xy). Substituting Eqs. (7.3) and (7.4) into (7.1) and (7.2), ...

361 represent a given instance, thus bridging molecular and cellular scales in the study of germ layer differentiation. 7.10 Fut ...

362 each other at the phylotypic stage, but there is considerable morphological diversity at earlier and later stages. Vertebrat ...

363 been identified. Even less is known about how Nodal signals are controlled in chicken and mammals. Significant questions rem ...

364 Albano RM, Groome N, Smith JC (1993) Activins are expressed in preimplantation mouse embryos and in ES and EC cells and are ...

365 Bertocchini F, Stern CD (2002) The hypoblast of the chick embryo positions the primitive streak by antagonizing nodal signal ...

366 Chen Y, Schier AF (2002) Lefty proteins are long-range inhibitors of squint-mediated nodal sig- naling. Curr Biol 12:2124–21 ...

367 Cornell RA, Musci TJ, Kimelman D (1995) FGF is a prospective competence factor for early activin-type signals in Xenopus mes ...

368 Fan X, Hagos EG, Xu B, Sias C, Kawakami K, Burdine RD, Dougan ST (2007) Nodal signals mediate interactions between the extra ...

369 Gräper L (1929) Die Primitiventwicklung des Hühnchens nach stereokinematographischen Untersuchungen, kontrolliert durch vita ...

370 Hemmati-Brivanlou A, Melton DA (1992) A truncated activin receptor inhibits mesoderm induc- tion and formation of axial stru ...

371 Izpisua-Belmonte JC, De Robertis EM, Storey KG, Stern CD (1993) The homeobox gene goosec- oid and the origin of organizer ce ...

372 Kimelman D, Maas A (1992) Induction of dorsal and ventral mesoderm by ectopically expressed Xenopus basic fibroblast growth ...

373 Levin M, Johnson RL, Stern CD, Kuehn M, Tabin C (1995) A molecular pathway determining left-right asymmetry in chick embryog ...