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Figure 1


Fig. 1. Expression of DHCR7 in developing notochord. (Top) Hierarchical clustering analysis of microarray data. Each column represents a single hybridization and each row a single clone. The colors ranging from red to green correspond to increased and decreased gene expression. LPM, left presomitic mesoderm; NTC, notochord; RPM, right presomitic mesoderm. (Bottom) Whole-mount in situ hybridization revealing the expression of DHCR7 in the midline of a Xenopus neurula stage embryo.