Region-specific cell clones in the developing spinal cord of the zebrafish C. PapanJosé A. Campos-Ortega ORIGINAL ARTICLE Pages: 135 - 144
Segmentation gene expression in the mothmidge Clogmia albipunctata (Diptera, Psychodidae) and other primitive dipterans K. B. RohrDiethard TautzKlaus Sander ORIGINAL ARTICLE Pages: 145 - 154
Rapid divergence in the course of Drosophila evolution reveals structural important domains of the Notch antagonist Hairless Jörg MarquartChristos Alexief-DamianofD. Maier ORIGINAL ARTICLE Pages: 155 - 164
High conservation of cis-regulatory elements between quail and human for the Pax-6 gene S. PlazaSimon SauleC. Dozier ORIGINAL ARTICLE Pages: 165 - 173
EGF signalling regulates cell invagination as well as cell migration during formation of tracheal system in Drosophila M. LlimargasJordi Casanova ORIGINAL ARTICLE Pages: 174 - 179
Cloning and expression of the engrailed.a gene of the barnacle Sacculina carcini É. QueinnecEmmanuèle Mouchel-VielhJ. S. Deutsch SHORT COMMUNICATION Pages: 180 - 185
Evolution of homeobox genes: Q50 Paired-like genes founded the Paired class B. GalliotColomban de VargasDavid Miller SEQUENCE CORNER Pages: 186 - 197
Origin of the chordate central nervous system – and the origin of chordates Claus Nielsen HYPOTHESIS Pages: 198 - 205