Annals of Botany Gene-dosage effects of WEE1 in arabidopsis hypocotyls Over-expression of the cell cycle checkpoint gene, WEE1, may repress growth and development. Spadafora et al. culture explants of Arabidopsis thaliana from an over-expressing Arath;WEE1 line (WEE1oe), two T-DNA... botanyoneDecember 31, 2012