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Characterisation of a cDNA encoding gamma-glutamylcysteine synthetase in Medicago truncatula

Cytosolic cysteine comes from only three sources: (1) from methionine via the methionine cycle and the transsulfuration pathway, (2) direct import into the cell from the plasma, and (3) from excess protein catabolism over protein synthesis

Fascinatingly, studies have shown that Glutathione has cognitive enhancement effects in those with cognitive impairment and Alzheimers disease (5)

To study the stress response of GSTs at transcriptional level in plants, a comprehensive study was carried out on Arabidopsis cell-suspension culture