* Provides broad overview of the developmental biology of both Xenopus laevis and Xenopus tropicalis * Cellular to systems development in key biomedical model organisms * Timely synthesis of the field of Xenopus biology * Highlights key biomedical and basic biological findings unlocked by Xenopus .

Contributors vii Preface ix Section I Oocyte and Early Embryo 1 1 Transcription in the Xenopus Oocyte Nucleus 3 Joseph G. Gall 2 RNA Localization during Oogenesis in Xenopus laevis 16 James O. Deshler 3 From Oocyte to Fertilizable Egg: Regulated mRNA Translation and the Control of Maternal Gene Expression 38 Chad E. Cragle & Angus M. MacNicol 4 Polarity of Xenopus Oocytes and Early Embryos 60 Malgorzata Kloc 5 Germ-Cell Specification in Xenopus 75 Mary Lou King Section II Midblastula Transition, Gastrulation, and Neurulation 101 6 The Xenopus Embryo as a Model System to Study Asymmetric Furrowing in Vertebrate Epithelial Cells 103 Jacek Z. Kubiak, Isabelle Chartrain, & Jean-Pierre Tassan 7 Induction and Differentiation of the Xenopus Ciliated Embryonic Epidermis 112 Marie Cibois, Pierluigi Scerbo, Virginie Thomé, Andrea Pasini, & Laurent Kodjabachian 8 Wnt Signaling during Early Xenopus Development 130 François Fagotto 9 Neural Tube Closure in Xenopus 163 Hitoshi Morita, Makoto Suzuki, & Naoto Ueno Section III Metamorphosis and Organogenesis 187 10 Primordial Germ Cell Migration 189 Aliaksandr Dzementsei & Tomas Pieler 11 Development of Gonads, Sex Determination, and Sex Reversal in Xenopus 199 Rafa³ P. Piprek & Jacek Z. Kubiak 12 The Xenopus Pronephros: A Kidney Model Making Leaps toward Understanding Tubule Development 215 Rachel K. Miller, Moonsup Lee, & Pierre D. McCrea 13 Development of Neural Tissues in Xenopus laevis 239 William A. Muñoz, Amy K. Sater, & Pierre D. McCrea 14 The Development of the Immune System in Xenopus 264 Louis Du Pasquier 15 Neural Regeneration in Xenopus Tadpoles during Metamorphosis 293 Mauricio Moreno, Karina Tapia, & Juan Larrain Section IV Novel Techniques and Approaches 309 16 Atomic Force Microscopy Imaging of Xenopus laevis Oocyte Plasma Membrane 311 Francesco Orsini 17 Size Scaling of Subcellular Organelles and Structures in Xenopus laevis and Xenopus tropicalis 325 Lisa J. Edens & Daniel L. Levy 18 A Model for Retinal Regeneration in Xenopus 346 Masasuke Araki 19 The Xenopus Model for Regeneration Research 368 Ying Chen & Gufa Lin 20 Genomics and Genome Engineering in Xenopus 383 Léna Vouillot, Aurore Thélie, Thibault Scalvenzi, & Nicolas Pollet Index 403

Frogs from the genus Xenopus have long been used as model organisms in basic and biomedical research. These frogs have helped unlock key fundamental developmental and cellular processes that have led to important scientific breakthroughs and have had practical application in embryology, cancer research and regenerative medicine. Xenopus Development is a vital resource on the biology and development of these key model organisms, and will be a great tool to researchers using these frogs in various disciplines of biological science. Xenopus Development is divided into four sections, the first three highlight key processes in Xenopus development from embryo to metamophosis. These sections focus on the cellular processes, organogenesis and embryo development. The final section highlights novel techniques and approaches being used in Xenopus research. Providing thorough and detailed coverage, Xenopus Development, will be a timely and welcome volume for those working in cell and molecular biology, genetics, developmental biology and biomedical research. • Provides broad overview of the developmental biology of both Xenopus laevis and Xenopus tropicalis • Explores cellular to systems development in key biomedical model organisms • Timely synthesis of the field of Xenopus biology • Highlights key biomedical and basic biological findings unlocked by Xenopus

Xenopus Development Edited by Malgorzata Kloc & Jacek Z. Kubiak  I.    Oocyte and early embryo  Transcription in the Xenopus oocyte nucleus. Joseph Gall RNA Localization during Oogenesis in Xenopus laevis.   James Deshler  From Oocyte to fertilizable egg - Regulated mRNA translation and the control of maternal gene expression.  Chad E. Cragle and Angus M. MacNicol Polarity of Xenopus oocytes and early embryos.  Malgorzata Kloc  Germ cell specification in Xenopus.  Mary Lou King  II. Midblastula transition, gastrulation and neurulation       6. The Xenopus embryo as a model system to study asymmetric furrowing in vertebrate epithelial cells.            Jacek Z. Kubiak, Isabelle Chartrain and Jean-Pierre Tassan       7. Induction and differentiation of the Xenopus ciliated embryonic epidermis.             Marie Cibois, Pierluigi Scerbo, Virginie Thomé, Andrea Pasini and Laurent Kodjabachian       8. Wnt signaling during early Xenopus development           François Fagotto       9. Neural tube closure in Xenopus            Hitoshi Morita, Makoto Suzuki and Naoto Ueno III. Metamorphosis and organogenesis      10. Primordial germ cell migration.              Aliaksandr Dzementsei and Tomas Pieler      11. Gonad development and sex determination in Xenopus.              Rafal P. Piprek and Jacek Z. Kubiak      12. The Xenopus pronephros: A kidney model making leaps toward understanding tubule development.              Rachel K. Miller, Moonsup Lee and Pierre D. McCrea      13. Development of Neural Tissues in Xenopus laevis.               William A. Muñoz, Amy K. Sater and Pierre D. McCrea      14. The development of the immune system in Xenopus. Louis Du Pasquier Neural Regeneration In Xenopus Tadpoles During Metamorphosis.              Mauricio Moreno, Karina Tapia, Juan Larrain IV. Novel techniques and approaches (6 chapters)      15. Atomic Force Microscopy Imaging of Xenopus laevis Oocyte Plasma Membrane.        Francesco Orsini      16. Size Scaling of Subcellular Organelles and Structures in X. laevis and X. tropicalis.       Lisa J. Edens and Daniel L. Levy      17. Transgenic approach to retinal regeneration of Xenopus laevis.       Masa Araki     18. The Xenopus Model for Regeneration Research.      Ying Chen and Gufa Lin     19. Genomics and genome engineering in Xenopus.      Léna Vouillot, Aurore Thélie, Thibault Scalvenzi and Nicolas Pollet