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Open Access Green as soon as Postprint is submitted to ZB.
Degradation of glutathione S-conjugates by a carboxypeptidase in the plant vacuole.
FEBS Lett. 384, 31-34 (1996)
For plants, glutathione conjugation is a major pathway to detoxify organic xenobiotic. Glutathione S-conjugates (SG-conjugates) are formed in the cytosol, the in vitro transport over the tonoplast has been described and a final storage in the vacuole has been postulated. We show here that alachlor rapidly accumulates as GS-conjugates in the plant vacuole and that the first step of its degradation, the formation of the respective gamma-glutamylcysteinyl-S-conjugate, is catalyzed by a vacuolar carboxypeptidase, These results suggest the glutathione conjugate as a transport form but not a storage form of xenobiotic molecules.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
detoxification; glutathione conjugate; xenobiotic; carboxypeptidase; vacuole; METABOLISM
ISSN (print) / ISBN
0014-5793
e-ISSN
1873-3468
Journal
FEBS Letters
Quellenangaben
Volume: 384,
Issue: 1,
Pages: 31-34
Publisher
Elsevier
Non-patent literature
Publications
Reviewing status
Peer reviewed
Institute(s)
Institute of Biochemical Plant Pathology (BIOP)
Abteilung Expositionskammern
Abteilung Expositionskammern