Carnegie Institute for Science 1 article published in JoVE Biochemistry Phosphoproteomic Strategy for Profiling Osmotic Stress Signaling in Arabidopsis Chuan-Chih Hsu1,3, Chia-Feng Tsai2, W. Andy Tao3,4, Pengcheng Wang5 1Department of Plant Biology, Carnegie Institute for Science, 2Graduate School of Pharmaceutical Sciences, Kyoto University, 3Department of Biochemistry, Purdue University, 4Department of Chemistry, Purdue University, 5Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences Presented here is a phosphoproteomic approach, namely stop and go extraction tip based phosphoproteomic, which provides high-throughput and deep coverage of Arabidopsis phosphoproteome. This approach delineates the overview of osmotic stress signaling in Arabidopsis.