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Expression of SG6 R2R3-MYB genes in (A) Saruma henryi. (B) Asarum canadense. (C) Aristolochia manshuriensis. (D) A. fimbriata. ACTIN was used as a positive control. l, limb; lf, leaf; p, petal; pe, perianth; s, sepal; t, tube; u, utricle; -c, amplification reaction without cDNA (negative control).
