DNA Methylation Dynamic Analysis of Self Compatible Line and Self-Incompatible Line of Brassica oleracea var. acephala at Seed Germination Stage Prokaryotic Expression,Purification and in Vitro Ubiquitination Assay of BoARC1 from Ornamental Kale Isolation and Functional Analysis of a S13-b-locus Cysteine-rich Gene of Ornamental Kale (Brassica oleracea var. acephala) Isolation and Functional Analysis of a S13-b-locus Cysteine-rich Gene of Ornamental Kale (Brassica oleracea var. acephala) Prokaryotic Expression,Purification and in Vitro Ubiquitination Assay of BoARC1 from Ornamental Kale Analysis and Characterization of Interaction Domain Between ARC1 and Exo70A1 from Ornamental Kale(Brassica oleracea var. acephala) Analysis and Characterization of Interaction Domain Between ARC1 and Exo70A1 from Ornamental Kale(Brassica oleracea var. acephala) Optimization of Agrobacterium-mediated Transformation System for Brassica oleracea var. acephala with Hypocotyls as Explants