Glutathione synthesis is regulated by nitric oxide in Medicago truncatula roots

  title={Glutathione synthesis is regulated by nitric oxide in Medicago truncatula roots},
  author={Gilles Innocenti and Chiara Pucciariello and Marie Le Gleuher and Julie Hopkins and Matteo de Stefano and Massimo Delledonne and Alain Puppo and Emmanuel Baudouin and Pierre Frendo},
Glutathione (GSH) is one of the main antioxidants in plants. Legumes have the specificity to produce a GSH homolog, homoglutathione (hGSH). We have investigated the regulation of GSH and hGSH synthesis by nitric oxide (NO) in Medicago truncatula roots. Analysis of the expression level of gamma-glutamylcysteine synthetase (γ-ECS), glutathione synthetase (GSHS) and homoglutathione synthetase (hGSHS) after treatment with sodium nitroprusside (SNP) and nitrosoglutathione (GSNO), two NO-donors… CONTINUE READING


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