Methyl-CpG-Binding Domain ProteinMBD 7 Is Required for Active DNA Demethylation in Arabidopsis 1 [ OPEN ]

State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences (C.W., D.J., Y.Z., X.L., Z.G.), State Key Laboratory of Agrobiotechnology (X.D., J.L.), and China National Maize Improvement Center, Department of Plant Genetics and Breeding (X.D., J.L.), China Agricultural University, Beijing 100193, China; Department of Horticulture and Landscape Architecture, Purdue University, West Lafayette, Indiana 47906 (S.X., Z.L., J.-K.Z.); National Institute of Biological Sciences, Beijing 102206, China (X.H.); and Shanghai Center for Plant Stress Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200032, China (J.-K.Z.)