The Glutathione S Transferase PtGSTF1 Improves Biomass Production and Salt Tolerance through Regulating Xylem Cell Proliferation, Ion Homeostasis and Reactive Oxygen Species Scavenging in Poplar An alternative easy method for antibody purification and analysis of protein protein interaction using GST fusion proteins immobilized onto glutathioneagarose Analytical and Bioanalytical Chemistry Springer Nature Link Over 40 years in protein expression and purification a historical perspective NEB Glutathione S Transferase (GST) Fusion Based Assays for Studying Protein Protein Interactions Springer Nature Experiments