The effect of low molecular size (<5 kDa) humic substances on plasmalemma and tonoplast H+-ATPase was studied by utilizing membrane vesicles isolated from oat roots. Results show that transport properties of plasma membrane and tonoplast regulating cell metabolism and mineral nutrition can be modulated by different modes of action by low molecular size humic substances
Humic substances affect transport properties of root membranes
VARANINI, Zeno;
1992-01-01
Abstract
The effect of low molecular size (<5 kDa) humic substances on plasmalemma and tonoplast H+-ATPase was studied by utilizing membrane vesicles isolated from oat roots. Results show that transport properties of plasma membrane and tonoplast regulating cell metabolism and mineral nutrition can be modulated by different modes of action by low molecular size humic substances
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