Guizhou Institute of Tobacco Science 1 article published in JoVE Genetics Screening and Identification of RNA Silencing Suppressors from Secreted Effectors of Plant Pathogens Jinxia Shi1, Yijuan Jia1, Di Fang1, Shidan He1, Peng Zhang1,2, Yushuang Guo3, Yongli Qiao1 1Shanghai Key Laboratory of Plant Molecular Sciences, College of Life Sciences, Shanghai Normal University, 2College of Agriculture, Yangtze University, 3Laboratory of Molecular Genetics, China National Tobacco Corporation, Guizhou Institute of Tobacco Science Here, we present a modified screening method that can be extensively used to quickly screen RNA silencing suppressors in plant pathogens.