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. 2017 Aug 18;175(2):816–827. doi: 10.1104/pp.17.00814

Figure 3.

Figure 3.

Mitotic competence is a prerequisite for SHR induction. A to C, pG1090-XVE:SHR-expressing roots incubated in estradiol for 24 h (A and B) or 36 h (C). Note the periclinal cell division stopped at the junction of meristem zone (MZ) and elongation zone (EZ). This junction is marked by yellow arrowhead. Blue double-headed arrow indicates MZ, and yellow double-headed arrow represents EZ in B. D and E, Comparison of pCYCD6:GUS expression between wild-type root (D) and 35S:SHR-GFP root (35SSG; E). Scale bars = 20 μm.