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. Author manuscript; available in PMC: 2012 May 30.
Published in final edited form as: Mar Biotechnol (NY). 2010 Mar 28;13(2):142–150. doi: 10.1007/s10126-010-9274-2

Fig. 1.

Fig. 1

Plasmid DNA constructs used for oncogene microinjections. Reporter gene constructs express enhanced green fluorescent protein (EGFP) under the control of a ubiquitous promoter CMVtk (Herpes Simplex Virus-1 thymidine kinase core promoter elements fused to enhancer sequences derived from the cytomegalovirus immediate–early promoter) or the zebrafish krt8 gene promoter that expresses in the superficial layer of epithelium (Ju et al. 1999)