
Results from DotPlot searches for homologous noncoding sequences by comparison of zebrafish and Takifugu orthologs. The conserved coding regions (black boxes) and the position of homologous noncoding sequence blocks (colored boxes) are illustrated. The genes are oriented with the 5′-end to the left. The region up1 of the ctgf genethat drives expression in the midline when inserted in reporter constructs is highlighted in green.











