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35S-Hm line is unable to grow in the dark when hygromycin is supplemented to the medium. Growth of WT (left), 35S-Hm (middle) and Act-Hm (right) lines using mediums supplemented with (A and C) or without (B and D) hygromycin (Hm, 25 mg/l). Six days old P. patens colonies were transferred to dark (A and B) or continued to grow in standard growing conditions (C and D) during ten days. Pictures were taken immediately after. Bars: 10 mm.
