article 10 nonhuman 10 enzyme activity 8 phospholipase A1 8 Animals 6 Phospholipases A 6 Protozoa 6 priority journal 6 Tetrahymena thermophila 4 Trypanosoma cruzi 4 acylation 4 enzyme purification 4 epimastigote 4 fatty acid 4 phosphatidylcholine 4 phospholipase A2 4 phospholipid 4 1-acyl-lysophosphatidylcholine 2 2-acyllysophosphatidylcholine 2 Animalia 2 Bacteria (microorganisms) 2 Catalysis 2 Cell-Free System 2 Cells 2 Ceramide 2 Chagas Disease 2 Chagas disease 2 Ciliophora 2 Culture Media 2 Enzyme Inhibitors 2