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Fig. 1 | BMC Plant Biology

Fig. 1

From: General control non-repressible 20 (GCN20) functions in root growth by modulating DNA damage repair in Arabidopsis

Fig. 1

The gcn20–1 mutant displays reduced root growth. a The diagram shows T-DNA insertion site in GCN20 (At1g64550) of Salk_135770 (gcn20–1). Rectangles represent exons and lines between the exons stand for introns. b The expression level of GCN20 was assayed by qPCR in the wild type and gcn20–1. The expression level of the wild type is set to 1. ACT2 was used as an internal control. c The representative images of the 6-d-old wild-type, gcn20–1 and GCN20::GCN20 gcn20–1 seedlings. Bar = 1 cm. d Roots length of 6-day-old wild-type, gcn20–1 and GCN20::GCN20 gcn20–1 seedlings. e The photographs for the root meristem regions of 6-day-old wild-type, gcn20–1 and GCN20::GCN20 gcn20–1 plants. Bar = 100 μm (f, g) Size (f) and cell number (G) of the root meristem of 6-day-old wild-type, gcn20–1 and GCN20::GCN20 gcn20–1 seedlings. Data shown are means ± SEM. Asterisks indicate significant differences with respect to each control (Student’s t test): ***, P < 0.001

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