The Genome of the Western Clawed Frog Xenopus tropicalis. Science, 2010; 328 (5978): 633-636 DOI: 10.1126/science.1183670 ...

The common laboratory frog Xenopus laevis has puzzled researchers because it has twice the normal number of genes. A newly published genome sequence shows why: between 15 and 20 million years ago ...

Factors influencing apoptosis of vertebrate eggs and early embryos have been studied in cell-free systems and in intact embryos by analyzing individual apoptotic regulators or caspase activation ...