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Induction of NADPH-cytochrome P-450 (c) reductase in wounded tissues from Helianthus tuberosus tubers
Ist Teil von
Plant and cell physiology, 1990, Vol.31 (8), p.1177-1182
Ort / Verlag
Oxford: Oxford University Press
Erscheinungsjahr
1990
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
Cytochrome P-450 is not self-sufficient for the catalysis of monooxygenase reaction but requires NADPH and NADPH-cytochrome P-450 (c) reductase. The activity of NADPH-cyto-chrome P-450 reductase was strongly enhanced by wounding and aging in Jerusalem artichoke (Helianthus tuberosus L.) tuber tissues. This stimulation was correlated with the synthesis of the enzyme protein based on i) quantitation of the reductase protein by Western blotting, ii) incorporation of [35S]methionine into the immunoprecipitable enzyme and iii) an increase in translatable mRNA for the reductase in a cell free system.