1. Expression and function of a retinoic acid receptor in budding ascidians

   • Kanako Hisata
   • S. Fujiwara
   • Kazuo Kawamura

   ORIGINAL ARTICLE Pages: 537 - 546

2. The expression of two engrailed-related genes in an apterygote insect and a phylogenetic analysis of insect engrailed-related genes

   • Michael D. Peterson
   • Aleksandar Popadić
   • T. C. Kaufman

   ORIGINAL ARTICLE Pages: 547 - 557

3. Pair-rule and gap gene mutants in the flour beetle Tribolium castaneum

   • Florian Maderspacher
   • Gregor Bucher
   • Martin Klingler

   ORIGINAL ARTICLE Pages: 558 - 568

4. An amphioxus snail gene: Expression in paraxial mesoderm and neural plate suggests a conserved role in patterning the chordate embryo

   • J. A. Langeland
   • Jill M. Tomsa
   • Charles B. Kimmel

   ORIGINAL ARTICLE Pages: 569 - 577

5. Alteration of cell fate by ectopic expression of Drosophila glial cells missing in non-neural cells

   • Y. Akiyama-Oda
   • T. Hosoya
   • Y. Hotta

   SHORT COMMUNICATION Pages: 578 - 585

6. A Hox class 3 orthologue from the spider Cupiennius salei is expressed in a Hox-gene-like fashion

   • W. G. M. Damen
   • Diethard Tautz

   SHORT COMMUNICATION Pages: 586 - 590

7. Of mites and zen: expression studies in a chelicerate arthropod confirm zen is a divergent Hox gene

   • M. J. Telford
   • Richard H. Thomas

   SHORT COMMUNICATION Pages: 591 - 594

8. Efficiency of cell culture derivation from blastula embryos and of chimera formation in the medaka (Oryzias latipes) depends on donor genotype and passage number

   • Yunhan Hong
   • Christoph Winkler
   • M. Schartl

   TECHNICAL NOTE Pages: 595 - 602