303
Waddington CH (1930) Developmental mechanics of chicken and duck embryos. Nature 125:924–
- doi:10.1038/125924b0
Waddington CH (1934) Experiments on Embryonic induction. III. A note on inductions by chick
primitive streak transplanted to the rabbit Embryo. J Exp Biol 11:224–227
Waddington CH (1936) Organizers in mammalian development: Abstract. Nature
Waddington CH (1937) Experiments on determination in the rabbit embryo. Arch Biol 48:273–290
Waddington CH (1933) Induction by the endoderm in birds. Wilhelm Roux' Arch Entwicklungsmech
128:502–521. doi:10.1007/BF00649862
Waldrip WR, Bikoff EK, Hoodless PA et al (1998) Smad2 signaling in extraembryonic tissues
determines anterior-posterior polarity of the early mouse embryo. Cell 92:797–808
Wallingford JB, Goto T, Keller R, Harland RM (2002) Cloning and expression of Xenopus Prickle,
an orthologue of a Drosophila planar cell polarity gene. Mech Dev 116:183–186
Wallingford JB, Rowning BA, Vogeli KM et al (2000) Dishevelled controls cell polarity during
Xenopus gastrulation. Nature 405:81–85. doi:10.1038/35011077
Wang J, Hamblet NS, Mark S et al (2006) Dishevelled genes mediate a conserved mammalian PCP
pathway to regulate convergent extension during neurulation. Development 133:1767–1778.
doi:10.1242/dev.02347
Wang S, Krinks M, Lin K et al (1997) Frzb, a secreted protein expressed in the Spemann organizer,
binds and inhibits Wnt-8. Cell 88:757–766
Wang Y, Nathans J (2007) Tissue/planar cell polarity in vertebrates: new insights and new ques-
tions. Development 134:647–658. doi:10.1242/dev.02772
Wawersik S, Evola C, Whitman M (2005) Conditional BMP inhibition in Xenopus reveals
stage- specific roles for BMPs in neural and neural crest induction. Dev Biol 277:425–442.
doi:10.1016/j.ydbio.2004.10.002
Weaver C, Farr GH, Pan W et al (2003) GBP binds kinesin light chain and translocates during
cortical rotation in Xenopus eggs. Development 130:5425–5436. doi:10.1242/dev.00737
Weaver C, Kimelman D (2004) Move it or lose it: axis specification in Xenopus. Development
131:3491–3499. doi:10.1242/dev.01284
Weber RJ, Pedersen RA, Wianny F et al (1999) Polarity of the mouse embryo is anticipated before
implantation. Development 126:5591–5598
Weber GF, Bjerke MA, DeSimone DW (2012) A mechanoresponsive cadherin-keratin complex
directs polarized protrusive behavior and collective cell migration. Dev Cell 22:104–115.
doi:10.1016/j.devcel.2011.10.013
Weeks DL, Melton DA (1987) A maternal mRNA localized to the vegetal hemisphere in Xenopus
eggs codes for a growth factor related to TGF-beta. Cell 51:861–867
Weidinger G, Stebler J, Slanchev K et al (2003) dead end, a novel vertebrate germ plasm com-
ponent, is required for zebrafish primordial germ cell migration and survival. Curr Biol
13:1429–1434
Weise A, Bruser K, Elfert S et al (2010) Alternative splicing of Tcf7l2 transcripts generates protein
variants with differential promoter-binding and transcriptional activation properties at Wnt/
beta-catenin targets. Nucleic Acids Res 38:1964–1981. doi:10.1093/nar/gkp1197
Weiss PA (1926) Morphodynamik: Ein Einblick in die Gesetzte der organischen Gestaltung an
Hand von experimentellen Ergebnissen. In: Schaxel J (ed) Abhandlungen zur theoretischen
Biologie, vol 23. Gebrüder Borntraeger, Berlin
Wessely O, Agius E, Oelgeschlager M et al (2001) Neural induction in the absence of meso-
derm: beta-catenin-dependent expression of secreted BMP antagonists at the blastula stage in
Xenopus. Dev Biol 234:161–173. doi:10.1006/dbio.2001.0258
Westfall T, Brimeyer R, Twedt J et al (2003) Wnt-5/pipetail functions in vertebrate axis formation
as a negative regulator of Wnt/beta-catenin activity. J Cell Biol 162:889–898
Wetzel R (1929) Untersuchungen am Hühnchen. Die Entwicklung des Keims Während der Ersten
Beiden Bruttage. In: Untersuchungen am Hühnchen. Springer, Berlin, Heidelberg, pp 188–321
Willert K, Brown J, Danenberg E et al (2003) Wnt proteins are lipid-modified and can act as stem
cell growth factors. Nature 423:448–452
6 Vertebrate Axial Patterning: From Egg to Asymmetry