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. 2018 Jun 12;69(18):4323–4337. doi: 10.1093/jxb/ery219

Fig. 6.

Fig. 6.

GUS staining assay of the GhARF2-1 and GhARF18-1 gene promoters. (A–D) GUS staining of 14-day-old Arabidopsis seedlings expressing PGhARF2-1:GUS. GUS staining was observed in the base of the trichome, leaf veins, and sepals of flowers. Scale bars=2.5 mm in (A), 0.5 mm in (B), 0.25 mm in (C), and 1 mm in (D). (E–G) GUS staining of 7-day-old Arabidopsis seedlings expressing PGhARF18-1:GUS. GUS staining was observed in the base of the trichome (E) and emerging lateral roots (F,G). Insert in (E) shows a magnified leaf. Scale bars=5 mm in (E), 1 cm in (F), and 2.5 mm in (G).