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The embryonic head is populated by two robust mesenchymal populations, paraxial mesoderm and neural crest cells. Although the… Expand We review the current status of research in dorsal-ventral (D-V) patterning in vertebrates. Emphasis is placed on recent work on… Expand The vertebrate body plan is established during gastrulation, when cells move inwards to form the mesodermal and endodermal germ… Expand Vertebrate beta-catenin and Drosophila Armadillo share structural similarities suggesting that beta-catenin, like Armadillo, has… Expand The spatial distribution of the cranial paraxial mesoderm and the neural crest cells during craniofacial morphogenesis of the… Expand The cadherin-catenin complex has an important role in cell-cell adhesion and may also function in signaling pathways. We report… Expand The Spermann organizer induces neural tissue from dorsal ectoderm and dorsalizes lateral and ventral mesoderm in Xenopus. The… Expand Whereas the mechanisms of early Drosophila mesoderm formation have been studied in much detail, the subsequent processes… Expand We have cloned a cDNA encoding a novel polypeptide capable of inducing dorsal development in Xenopus embryos. RNA transcripts… Expand The developmental fate of the cephalic paraxial and prechordal mesoderm at the late neurula stage (3-somite) in the avian embryo… Expand