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. 2009 Feb 25;106(11):4284–4289. doi: 10.1073/pnas.0900060106

Fig. 4.

Fig. 4.

Dependence of CK-mediated inhibition of PIN1 expression on CK perception. (A) Reduced expression of PIN1 in wild-type, but not in the cre1–12 x ahk2–2 double-mutant root meristem after CK treatment. (B) CK-resistant root meristem of cytokinin receptor mutants cre1–12, cre1–12 x ahk2–2, cre1–12 x ahk3–3, and CK-sensitive root meristem in ahk2–2, ahk3–3, and ahk2–2 x ahk3–3 mutants (*significantly different from control, Student's t test P < 0.05). Six-day-old seedlings (A) incubated for 20 h in control media or supplemented with 1 μM BA, (B) grown on control media or supplemented with 0.1 μM BA, respectively. Red signal, immunolocalization of PIN1 by PIN1-specific antibodies. Control, wild type, CK represented by BA, error bars represent SD.