Cloning, prokaryotic expression and purification of the elicitor gene SsCut from Sclerotinia sclerotiorum Construction and Activity Assay of Transcription Activator-like Effector Nuclease(TALEN)Plasmids for ALK4 Gene Knock-out Banana bunchy top virus (BBTV) DNA2 ORF bait plasmid construction and its interaction proteins screening by yeast two-hybrid Characterization of Immunodominant Membrane Protein Gene from Peanut Witches’ Broom Phytoplasma and Bait Plasmid Construction The Construction of Prokaryotic Expression Vector for Human Gene IL-24 and Expression and Purification of Its Protein