Two E2F Elements Regulate the Proliferating Cell Nuclear Antigen Promoter Differently during Leaf Development Egelkrout, Erin M. ; Mariconti, Luisa ; Settlage, Sharon B. ; Cella, Rino ; Robertson, Dominique ; Hanley-Bowdoin, Linda Abstract Publication: The Plant Cell Pub Date: December 2002 DOI: 10.1105/tpc.006403 Bibcode: 2002PlanC..14.3225E