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Figure 1 | BMC Evolutionary Biology

Figure 1

From: Convergent evolution of cysteine-rich proteins in feathers and hair

Figure 1

EDCRP is expressed in the skin containing feather follicles and in late embryonic skin of the chicken. (A) Schematic depiction of the chicken EDCRP gene. White boxes indicate exons, and grey shading marks the coding region. Arrows indicate the position primer annealing sites for the amplification of cDNAs. (B) Skin from the wings, containing feather follicles (+), and skin from the lower part of the legs, lacking feather follicles (−), was prepared from embryonic (days E10, E14 and E18) and adult chicken. RNA was extracted and reverse-transcribed to cDNA, which was subjected to PCRs specific for EDCRP and a control gene (caspase-3). PCR without template cDNA was performed as negative control reaction.

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