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Schröder, P. ; Pflugmacher, S.*

Induction of glutathione S-transferase activity in Norway spruce by xenobiotics and herbicide safeners.

J. Appl. Bot. Food Qual. 70, 97-100 (1996)
Open Access Gold as soon as Publ. Version/Full Text is submitted to ZB.
The conjugation of CDNB, DCNB, and CH3I with glutathione is significant in protein extracts of Norway spruce (Picea abies L. Karst.) needles and can be attributed to the activity of gluthathione S-transferases (GST, E.C. 2.5. 1.18). The GST mediated conjugation of the mentioned substrates can be significantly enhanced by donation of xenobiotics and herbicide safeners in concentrations as low as 50 mu M. Inductive effects appear to be coupled to the de-novo synthesis of proteins and may be different for GST isozymes. The conjugation of CDNB was stimulated by donations of CDNB, benoxacor or fluxofenim but the conjugation of DCNB was increased by benoxacor, fenclorim and fluxofenim, whereas CDNB was a potent inhibitor of DCNB-GST. Inductions of DCNB conjugation of 800 % above controls were obtained with fluxofenim.
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Publication type Article: Journal article
Document type Scientific Article
Keywords ORGANIC XENOBIOTICS; PICEA; TREES
ISSN (print) / ISBN 1613-9216
Journal Journal of Applied Botany and Food Quality = Angewandte Botanik
Quellenangaben Volume: 70, Issue: 3-4, Pages: 97-100 Article Number: , Supplement: ,
Publisher Halm
Reviewing status Peer reviewed
Institute(s) Institute of Biochemical Plant Pathology (BIOP)
Research Unit Microbe-Plant Interactions (AMP)