Thioredoxin Glutathione Reductase from Schistosoma mansoni: An Essential Parasite Enzyme and a Key Drug Target PLOS Medicine Glutathione System from Cyanobacteria to Higher Eukaryotes Encyclopedia MDPI Parasites and Microbiota: Dual Interactions and Therapeutic Perspectives Glutathione is such a critical soldier in our line of defense that our bodies make it themselves. We even have mechanisms that recycle and reuse it. But what happens when our toxic