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(Aa) under white light of fluorescence microscopy; (Ab) under blue excitation light of fluorescence microscopy; (Ac) superposition of white and blue light of fluorescence microscopy; (B) Representative PCR analyses for the presence of p35S-ipi and rolC genes in transgenic hairy root lines. M: DL-2000 marker (100–2000 bp); RSi: transgenic root lines; WT: the wild type of S. miltiorrhiza roots (negative control); Plas: the vector of pK7GWIWG2D-ipi (positive control plasmid).
