Helminthosporium maydis race T toxin (HMT) severely inhibits basal and, to an even larger extent, fusicoccin (FC) induced proton extrusion in susceptible maize root and coleoptile segments. This effect of the toxin also induced a rapid depolarisation of the basal transmembrane electric potential and a severe decrease of FC-induced hyperpolarisation. These data are interpreted as consistent with the hypothesis that HMT and FC antagonistically influence at the plasmalemma a H+-extruding ATPase.

Inhibition of fusicoccin-induced electrogenic proton extrusion in susceptible maize by Helminthosporium maydis race T toxin / R. Federico,S. Scalia, A Ballio, M. Cocucci, A. Ballarin Denti, E. Marrè. - In: PLANT SCIENCE LETTERS. - ISSN 0304-4211. - 17:2(1980), pp. 129-134.

Inhibition of fusicoccin-induced electrogenic proton extrusion in susceptible maize by Helminthosporium maydis race T toxin

M. Cocucci;
1980

Abstract

Helminthosporium maydis race T toxin (HMT) severely inhibits basal and, to an even larger extent, fusicoccin (FC) induced proton extrusion in susceptible maize root and coleoptile segments. This effect of the toxin also induced a rapid depolarisation of the basal transmembrane electric potential and a severe decrease of FC-induced hyperpolarisation. These data are interpreted as consistent with the hypothesis that HMT and FC antagonistically influence at the plasmalemma a H+-extruding ATPase.
Settore AGR/13 - Chimica Agraria
Settore BIO/04 - Fisiologia Vegetale
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2434/326666
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