Figure 2 | Scientific Reports

Figure 2

From: Molecular developmental mechanism in polypterid fish provides insight into the origin of vertebrate lungs

Figure 2

Gene expression patterns of Polypterus senegalus embryos.

Gene expression patterns of schematic images in tetrapods and of P. senegalus at (a–e) 8.5 days post fertilization (dpf) and (f–j) 12 dpf for the genes Fgf10 (b,g), Nkx2.1 (c,h), Tbx4 (d,i) and Tbx5 (e,j). Dotted lines in (b–e) indicate the foregut endoderm and lung bud. Scale bars, 100 μm. fg, foregut; lb, lung bud; m, mesenchyme.

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