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Fig. S5
Expression of tcf genes in the primordium. At 30 hpf, tcf7 is expressed in the leading zone of the primordium (A), tcf7l1a is expressed throughout the primordium, but not in leading edge cells (B) and tcf7l1b is expressed in a deposited NM, but not in the primordium (C) in a wild-type embryo. Scale bar: 20 µm. (D) Pectoral fin development in embryos injected with the tcf7-MO in a heterozygous (E) or lef1nl2 mutant (F) background at 6 dpf. Pectoral fins are stunted or absent in the lef1nl2;tcf7-MO embryo when compared with the lef1nl wild-type sibling injected with tcf7-MO (red arrows). Scale bar: 50 μm.
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