glutathione binds to reactive oxygen neutralizing them therefore glutathione is antioxidant system. a Schematics for the reduction of The benefits of glutathione -

The relevance of this residue as an activator was recently corroborated by a study on the lysine-deficient Trypanosoma brucei homolog TbGrx1 which reacts with GSSG but does not accept GSH as a reducing agent 14

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Pollen Germination and Pollen Tube Growth In higher plants, pollen germination and pollen tube growth are basis for achieving double fertilization, which is a key stage in the whole life cycle of plants

(4) Vasireddi N, Hahamyan H, Salata MJ, Karns M, Calcei JG, Voos JE, Apostolakos JM

Mitochondria-lysosome contact site dynamics and misregulation in neurodegenerative diseases