INHIBITION OF MAIZE (ZEA-MAYS L) ROOT PLASMA MEMBRANE-BOUND REDOX ACTIVITIES BY COUMARINS

Authors
LUTHJE S GONZALEZREYES JA NAVAS P DORING O BOTTGER M
Citation
S. Luthje et al., INHIBITION OF MAIZE (ZEA-MAYS L) ROOT PLASMA MEMBRANE-BOUND REDOX ACTIVITIES BY COUMARINS, Zeitschrift fur Naturforschung. C, A journal of biosciences, 49(7-8), 1994, pp. 447-452
Citations number
30
Categorie Soggetti
Biology
Journal title
Zeitschrift fur Naturforschung. C, A journal of biosciences → ACNP
ISSN journal
09395075
Volume
49
Issue
7-8
Year of publication
1994
Pages
447 - 452
Database
ISI
SICI code
0939-5075(1994)49:7-8<447:IOM(LR>2.0.ZU;2-L
Abstract
Modulation of plasma membrane-bound NADH:hexacyanoferrate III oxidored uctase activities by dicumarol and warfarin was investigated with plas ma membrane vesicles of Zea mays L. (cv. Sil Anjou 18) roots, prepared by aqueous two phase partitioning. Vesicles were about 65% right-side out orientated as demonstrated by enzyme latency of vanadate sensitiv e ATPase activity. Dicumarol or warfarin, respectively, inhibited NADH :hexacyanoferrate III oxidoreductase activity in a concentration-depen dent manner and inhibition could be reversed partially by addition of quinones.