Incluye referencias bibliográficas e índice CONTENIDO: Graftings. Two developmental gradients control head formation in hydra H. R. Bode -- Embryonic regulation and induction in sea urchin development C. A. Ettensohn -- The isthmic organizer and brain regionalization in chick embryos D. Echevaarri;a and S. Marti;nez -- Specific Chemical Reagents. Chemotaxis of aggregating Dictyostelium cells G. Gerisch and M. Ecke -- Inhibition of signal transduction pathways prevents head regeneration in hydra L. M. Salgado -- Retinoic acid during limb regeneration M. Maden -- Beads Implantation. Experimental techniques in avian embryos Y. Gañán, J. Rodri;guez-León and D. Macías -- Induction of ectopic limb outgrowth in chick with FGF-8 A. Raya, C. Rodri;guez Esteban and J. C. Izpisúa-Belmonte -- Nucleic Acid Injections. RNAi techniques applied to freshwater planarians (Platyhelminthes) during regeneration D. Bueno, R. Romero and E. Saló -- Microinjection of Xenopus embryos R. J. Garriock and P. A. Krieg -- Genetic Analysis. Segmental specification in Drosophila melanogaster L. De Navas, M. Suzanne, D. Foronda and E. Sánchez-Herrero -- Genetic analysis of flower development in A. Thaliana: the ABC model of floral organ identity determination J. L. Riechmann -- Genetic analysis of vulva development in C. elegans S. Canevascini -- Clonal Analysis. The role of the gene apterous in the development of the Drosophila wing F. J. Diaz-Benjumea -- Extramacrochaetae, an example of a gene required for control of limb size and cell differentiation during wing morphogenesis in Drosophila A. Baonza -- Hedgehog transduction pathway is involved in pattern formation in Drosophila melanogaster tergites M. Marí-Beffa -- In situ Hybridization. Retinoic acid signalling controls anteroposterior patterning of the zebrafish hindbrain G. Begemann -- Left-right asymmetry in the mouse M. Blum, A. Schweickert and C. Karcher -- Transgenic Organisms. continuación del CONTENIDO: Bicoid and Dorsal: two transcriptions factor gradients which specify cell fates in the early Drosophila embryo S. Roth -- Significance of the temporal modulation of Hox gene expressionon segment morphology J. Castelli-Gair Hombría -- The UAS/GAL4 system for tissue-specific analysis of EGFR gene function in Drosophila melanogaster J. B. Duffy and N. Perrimon -- Neurogenesis in Drosophila: a genetic approach C. Klämbt and H. Vaessin -- Role of the achaete-scute complex genes in the development of the adult peripheral nervous system of Drosophila melanogaster S. Sotillos and S. Campuzano -- Vertebrate Cloning. The conservation of the genome and nuclear reprogramming in Xenopus J. B. Gurdon -- Cell Culture. In vitro culture and differentiation of mouse embryonic stem cells A. Rolletschek, C. Wiese and A. M. Wobus -- Evo-Devo Studies. Microevolution between Drosophila species N. Skaer and P. Simpson --
Computational Modelling. Theories as a tool to understand the complex network of molecular interactions M. Meinhardt.
