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Figure 4 | BMC Plant Biology

Figure 4

From: Ectopic expression of the phosphomimic mutant version of Arabidopsis response regulator 1 promotes a constitutive cytokinin response phenotype

Figure 4

Effects of phosphomimic ARR1 mutation on root hair length. (A) Root tips of seedlings grown on vertically positioned MS/2 plates were photographed after five days of growth. The IPT:ipt transgenic line ipt-161, which has an increased endogenous cytokinin levels [28, 53], is included for comparison. Scale bar = 1 mm. (B) Root hair lengths in five-day-old plants were measured from micrographs. Six to 12 roots per line were analyzed and at least 10 root hairs per root were measured. Data are presented as mean ± SEM (n ≥ 60). Root hair lengths in different lines were compared to Col-0 using a one-way ANOVA with post-hoc Tukey’s multiple comparison test. ****, P < 0.0001.

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