Notch signaling is involved in nervous system formation in ascidian embryos Takashi AkanumaSawako HoriHiroki Nishida Original Article Pages: 459 - 472
The highly conserved cardiogenic bHLH factor Hand is specifically expressed in circular visceral muscle progenitor cells and in all cell types of the dorsal vessel during Drosophila embryogenesis Verena KölschAchim Paululat Original Article Pages: 473 - 485
Identification of a second presenilin gene in zebrafish with similarity to the human Alzheimer's disease gene presenilin2 Casper GrothSvanhild NornesMichael Lardelli Short Communication Pages: 486 - 490
XHRT-1, a hairy and Enhancer of split related gene with expression in floor plate and hypochord during early Xenopus embryogenesis Bruno PichonVincent TaelmanEric J. Bellefroid Short Communication Pages: 491 - 495
Natural Twist protein variants in a panel of eleven non-human primates: possible implications of twist gene-tree for primate species-tree Hélène Gachot-NeveuCorinne StoetzelFabienne Perrin-Schmitt Sequence Corner Pages: 496 - 503
X-linked small GTPase and OXPHOS genes are candidates for the genetic basis of hybrid inviability in Drosophila Pierre Hutter Hypothesis Paper Pages: 504 - 512