Is the ionophorous action inherent in phosphatidic acid as a possible basis for its mediator function in intracellular signal transduction?

Is the ionophorous action inherent in phosphatidic acid as a possible basis for its mediator... This work is critical analysis of the literature data providing, by author opinion, evidence for an ability of phosphatidic acid (PA) to facilitated transfer of Ca2+ and H+ ions through plant cell membranes as a possible basis for realization of its known mediator function in intracellular signal transduction. Taking into account a number of arguments author of the present work led to the conclusion that the data under consideration do not provide sufficient grounds to believe that PA is capable of carrying out the ionophorous function. In addition it was shown that the opinion of supporters of the “PA ionophorous function” concept is not in accordance with many results of other studies arguing in favor of the interaction of PA with specific effector proteins including the cell membrane ion channels catalyzing transmembrane transport of Ca2+ and other cations and thereby being responsible for calcium signal generation, the effect as known capable of being induced by PA. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Is the ionophorous action inherent in phosphatidic acid as a possible basis for its mediator function in intracellular signal transduction?

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Publisher
Pleiades Publishing
Copyright
Copyright © 2015 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Plant Physiology; Plant Sciences
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1134/S1021443715030024
Publisher site
See Article on Publisher Site

Abstract

This work is critical analysis of the literature data providing, by author opinion, evidence for an ability of phosphatidic acid (PA) to facilitated transfer of Ca2+ and H+ ions through plant cell membranes as a possible basis for realization of its known mediator function in intracellular signal transduction. Taking into account a number of arguments author of the present work led to the conclusion that the data under consideration do not provide sufficient grounds to believe that PA is capable of carrying out the ionophorous function. In addition it was shown that the opinion of supporters of the “PA ionophorous function” concept is not in accordance with many results of other studies arguing in favor of the interaction of PA with specific effector proteins including the cell membrane ion channels catalyzing transmembrane transport of Ca2+ and other cations and thereby being responsible for calcium signal generation, the effect as known capable of being induced by PA.

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: Apr 29, 2015

References

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