{Reference Type}: Journal Article {Title}: Affinity Purification-Mass Spectroscopy (AP-MS) and Co-Immunoprecipitation (Co-IP) Technique to Study Protein-Protein Interactions. {Author}: Gnanasekaran P;Pappu HR; {Journal}: Methods Mol Biol {Volume}: 2690 {Issue}: 0 {Year}: 2023 暂无{DOI}: 10.1007/978-1-0716-3327-4_7 {Abstract}: Affinity purification-Mass spectroscopy (AP-MS) is a biochemical technique to identify the novel protein-protein interaction that occurs in the most relevant physiological conditions, whereas co-immunoprecipitation (Co-IP) is used to study the interaction between two known protein partners that are expressed in the native physiological conditions. Both AP-MS and Co-IP techniques are based on the ability of the interacting partners to pull-down with protein of interest. In this chapter, we have explained the AP-MS and Co-IP methods to study protein-protein interactions in the plant cells.