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Fig. S4 Reduction of prep1.2 expression in RA defective embryos. A and B: In embryos treated with DEAB after NCC specification (form 15 somite stage), prep1.2 expression is reduced, in the mesenchyme of the branchial region (outlined). C and D: neckless mutants lacking prep1.2 expression in the prospective branchial region and in pectoral fin buds.
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Reprinted from Developmental Biology, 343(1-2), Vaccari, E., Deflorian, G., Bernardi, E., Pauls, S., Tiso, N., Bortolussi, M., and Argenton, F., prep1.2 and aldh1a2 participate to a positive loop required for branchial arches development in zebrafish, 94-103, Copyright (2010) with permission from Elsevier. Full text @ Dev. Biol.