Fig. 1From: Tbx2 mediates dorsal patterning and germ layer suppression through inhibition of BMP/GDF and Activin/Nodal signalingTbx2 dorsalizes ventral mesoderm. RT-PCR analysis of marginal zone explants. Embryos were injected radially at early cleavage stages with 1 ng of tbx2; marginal zone explants were dissected at stage 10Back to article page