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. 2018 Jul 12;8:10491. doi: 10.1038/s41598-018-28890-0

Figure 1.

Figure 1

Schematic diagram of full-length ZIKV infectious cDNA clone (a) Artifical synthetic DNA sequences 1&2 that contain ZIKV cDNA and in vitro transcription elements (T7 promoter and Ribozyme). Full-length ZIKA cDNA was designed to construct into pFK vector by using indicated restriction enzymes (Sbf1/Afe1/Mlu1). (b) Artificial synthetic cDNA sequences 1&2 were inserted into low-copy plasmid pFK, respectively. After transformation, ten colonies (numbers as indicated) were picked for each and then purified plasmids were digested by restriction enzyme (Sbf1/Afe1 or Afe1/Mlu1), respectively.