Genes regulated by activin B and nodal-related proteins in the Xenopus embryo.

Up regulated genes are shown in green and down regulated genes in red. The Table also shows the RT-PCR data plotted in Fig. 1 and used to validate the microarray results. The data confirm that genes regulated by activin signalling are not regulated by nodal-related signalling, and vice-versa. A description of the expression pattern of each gene is indicated (‘ubiquitous’ or ‘restricted’).ND: Not determined.