Relationship between glutathione and dark-induced senescence of Brassica campestris
1996
Iwahashi, Y. (National Food Research Inst., Tsukuba, Ibaraki (Japan)) | Koizumi, H. | Hosoda, H.
The effects of compounds that influenced the redox condition on the senescence of detached Brassica campestris leaves were examined. Glutathione treatment promoted the senescence of detached Brassica leaves in the dark. Glutathione treatment also increased the rate of respiration and serine content in the dark. The buthionine sulfoxisamine (a potent and specific inhibitor of gamma-glutamylcystein synthetase (EC 6.3.2.2)) strongly suppressed leaf senescence. These findings suggest that the intracellular glutathione concentration may by involved in importance for leaf senescence
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