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CHES-1-like and jumu activate htl transcription in the cardiac mesoderm. (A-D) htl mRNA in Stage 11 wild-type embryos (A), embryos lacking CHES-1-like function (B), embryos lacking jumu function (C), and embryos lacking both CHES-1-like and jumu functions (D) detected by in situ hybridization. The arrow in D indicates the absence of htl expression in cells that would normally have become the CM. Scale bar: 50 μm.
