scholarly journals Sidedness of plant plasma membrane vesicles purified by partitioning in aqueous two-phase systems

FEBS Letters ◽  
1984 ◽  
Vol 171 (2) ◽  
pp. 271-276 ◽  
Author(s):  
C. Larsson ◽  
P. Kjellbom ◽  
S. Widell ◽  
T. Lundborg
Keyword(s):  
Plasma Membrane ◽  
Membrane Vesicles ◽  
Plasma Membrane Vesicles ◽  
Two Phase ◽  
Aqueous Two Phase Systems ◽  
Phase Systems ◽  
Plant Plasma Membrane

Inhibition of Maize (Zea mays L.) Root Plasma Membrane-Bound Redox Activities by Coumarins

1994 ◽  
Vol 49 (7-8) ◽  
pp. 447-452 ◽  
Author(s):  
Sabine Lüthje ◽  
José A. Gonzaléz-Reyes ◽  
Placido Navas ◽  
Olaf Döring ◽  
Michael Böttger
Keyword(s):  
Zea Mays ◽  
Plasma Membrane ◽  
Zea Mays L ◽  
Membrane Vesicles ◽  
Dependent Manner ◽  
Plasma Membrane Vesicles ◽  
Two Phase ◽  
Concentration Dependent Manner ◽  
Oxidoreductase Activity ◽  
Membrane Bound

Modulation of plasma membrane-bound NADH:hexacyanoferrate III oxidoreductase activities by dicumarol and warfarin was investigated with plasma 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 sensitive ATPase activity. Dicumarol or warfarin, respectively, inhibited NADH:hexacyanoferrate III oxidoreductase activity in a concentration-dependent manner and inhibition could be reversed partially by addition of quinones

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