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Fig. 6. CPC gene expression is regulated by GL3 and
EGL3. Seedling roots bearing the CPC::GUS reporter and the
indicated mutation(s) were exposed to the X-gluc substrate for 12 hours. This
reporter is also expressed in the developing stele near the root tip, but this
expression is not associated with the role of CPC in epidermal
development (Wada et al.,
2002).