... and is amenable to cell movements. Furthermore, normally β-tanycytes give rise to parenchymal cells via an intermediate population of α-tanycytes with transient amplifying cell characteristics. Loss of Fgf10 temporarily attenuates the amplification of β-tanycytes but also appears to delay the exit of their α...

... as they are clustered at the midline, resembling other midline structures important for maintaining the bilateral organization of the neural tube. Adhesion Cell movement Midline Pituitary Chick RNA-seq Sp8 Placodes are discrete thickenings of the cranial ectoderm localized in the proximity...

... the equator. To elucidate the mechanisms underlying lens epithelial cell movement, we conducted time-lapse imaging of zebrafish lens epithelium. Lens epithelial cells do not intermingle but maintain their relative positions during development. Cell division induces epithelial rearrangement, which subsequently...

... movement Cell polarity Gastrulation Zebrafish Gastrulation is a fundamental morphogenetic process that entails a variety of evolutionarily conserved cell movement behaviors to generate germ layers and shape them into the animal body plan. Studies in different model organisms have demonstrated...

...Satu Kuure; Xuan Chi; Benson Lu; Frank Costantini Signaling by the Ret receptor tyrosine kinase promotes cell movements in the Wolffian duct that give rise to the first ureteric bud tip, initiating kidney development. Although the ETS transcription factors Etv4 and Etv5 are known to be required...

...: Key Laboratory for Regenerative Medicine of the Ministry of Education, Medical College, Jinan University, Guangzhou 510632, China 9 9 2008 © 2008. 2008 Gastrulation Cell movement N-cadherin PDGF signalling PI3 kinase signalling During the early gastrulation stages...

... of the prospective prechordal plate in silberblick ( slb )/ wnt11 mutant embryos, in which E-cadherin-mediated coherence of cell movement is reduced. mil encodes Edg5, a sphingosine-1-phosphate (S1P) receptor belonging to a family of five G-protein-coupled receptors (S1PRs). S1P is a lipid signalling molecule...

... of Notch in proliferation and apoptotic events. We provide evidence for an essential role of the Notch signalling pathway during morphogenetic cell movements required for the formation of the foregut-associated proventriculus organ in the Drosophila embryo. We demonstrate that the activation of the Notch...

..., is required for the migration of cells forming the roof plate of the neural tube and, subsequently, for neural crest migration. These cells are properly determined but remain at their site of origin. Consistent with a possible role in cell movement, Vg1 RBP asymmetrically localizes to extended processes...

...Dirk Dormann; Cornelis J. Weijer Migration and behaviour of Dictyostelium slugs results from coordinated movement of its constituent cells. It has been proposed that cell movement is controlled by propagating waves of cAMP as during aggregation and in the mound. We report the existence of optical...

... composed of a constantly changing population of cells that are allocated to different parts of the axial mesoderm. *Author for correspondence (e-mail: [email protected] ) 18 6 2001 © 2001. 2001 Gastrula organizer Node Axial mesoderm Cell movement Cell fate Mouse embryo...

... to an initial cluster and then later to the tip. * Author for correspondence (e-mail: [email protected] ) 04 04 2000 © 2000 by Company of Biologists 2000 Dictyostelium Morphogenesis Cell movement Myosin Prestalk cell Pattern formation via cell rearrangements...

...-2 Cell movement Cartilage differentiation Branchial arches Axolotl Neural crest The neural crest has long attracted the attention of developmental biologists because these cells migrate over extensive distances to reach a variety of stereotyped target sites and subsequently give rise...

... morphogenesis. * Author for correspondence 21 09 1998 © 1998 by Company of Biologists 1998 Protocadherin Gastrulation Cell movement Convergence Extension Cell adhesion Xenopus We wish to thank P. Garrity and S. Piccolo for advice and plasmids, C. Kintner...

... for correspondence (e-mail: [email protected] ) 13 07 1998 07 09 1998 © 1998 by Company of Biologists 1998 Myosin Dictyostelium Cell movement Culmination GFP Green Fluorescent Protein Dictyostelium amoebae respond to environmental stress by forming multicellular aggregates...

... oriented cell movements nor shape can account for this alignment. When the neural plate begins to differentiate, there is a gradual transition in the direction of cell division from AP to the mediolateral circumference (ML). ML divisions occur in both the ventral epidermis and dorsal neural plate...

... is first expressed at the sulcus limitans prior to the extensive cell movements that accompany neural tube formation, suggesting that it might serve to position cells at the sulcus limitans by counteracting their tendency to disperse during neurulation. We test this idea using an assay that measures...

... © 1997 by Company of Biologists 1997 epiboly epithelium morphogenesis Caenorhabditis elegans cell movement actin hypodermis The morphogenesis of epithelial tissues plays a fundamental role in animal development. Epithelial sheets fold, involute and migrate to give rise...

... gastrulation heart mesoderm epiblast cell position cell movement The immediate outcome of gastrulation is the formation of the definitive germ layer and the organisation of a general body plan, which serves as a blueprint for fetal development. The establishment of the body plan is accomplished...

...Dirk Dormann; Florian Siegert; Cornelis J. Weijer ABSTRACT Co-ordinated cell movement of tens of thousands of cells and periodic signals characterise the multicellular development of the cellular slime mould Dictyostelium discoideum . We investigated cell movement by analysing timelapse video...