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. 2013 Feb 20;161(4):1755–1768. doi: 10.1104/pp.112.208942

Figure 6.

Figure 6.

mms21-1 roots show increased sensitivity to DNA-damaging agents. A, Phenotypes of the wild type (WT) and mms21-1 grown on MS medium (top) and medium containing 50 μm cisplatin (middle) or 0.0075% MMS (bottom). Seedlings at 3 DAG were transplanted onto medium for 14 d. Bar = 1 cm. B and C, Sensitivity of root growth to DNA-damaging agents. Seedlings at 3 DAG were transplanted onto medium containing various concentrations of MMS or cisplatin for 3 d. Relative root elongation is the ratio of root elongation in medium containing the DNA-damaging agents to root elongation in control medium. Each point represents the average of the results from 20 to 30 seedlings, and error bars represent sd. Asterisks indicate significant differences (P < 0 0.01; Student’s t test) relative to the wild type. D, Effects of cisplatin on the root meristem and the expression of QC25:GUS in the wild type (top) and mms21-1 (bottom). Treatments were as described for B and C. Bar = 50 μm.