Figure 1

Full-length cDNA construction strategy. Segment A contained the T7 promoter, and three G nucleotides were inserted between the leader sequence and the T7 promoter to enhance the rescue efficiency of virus.
Full-length cDNA construction strategy. Segment A contained the T7 promoter, and three G nucleotides were inserted between the leader sequence and the T7 promoter to enhance the rescue efficiency of virus.