Vacuolar symplast formation is due to highly permeable gap junctions between the tonoplast and endoplasmic reticulum membrane

Vacuolar symplast formation is due to highly permeable gap junctions between the tonoplast and... An NMR method with a pulsed magnetic field gradient was applied to study changes in water permeability of the vacuolar symplast in maize (Zea mays L.) seedling roots treated with various inhibitors of cell metabolism. The results were qualitatively analogous to literature data on conductivity changes of intercellular gap junctions in animal cells exposed to similar treatments. Electron microscopy examination of root cells provided evidence for the existence of membrane contacts between the endoplasmic reticulum and the tonoplast. It is supposed that vacuoles of neighboring plant cells are interconnected through highly dynamical gap junctions between the tonoplast and the endoplasmic reticulum membrane. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Vacuolar symplast formation is due to highly permeable gap junctions between the tonoplast and endoplasmic reticulum membrane

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2008 by MAIK Nauka
Subject
Life Sciences; Plant Sciences ; Plant Physiology
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1134/S1021443708060149
Publisher site
See Article on Publisher Site

Abstract

An NMR method with a pulsed magnetic field gradient was applied to study changes in water permeability of the vacuolar symplast in maize (Zea mays L.) seedling roots treated with various inhibitors of cell metabolism. The results were qualitatively analogous to literature data on conductivity changes of intercellular gap junctions in animal cells exposed to similar treatments. Electron microscopy examination of root cells provided evidence for the existence of membrane contacts between the endoplasmic reticulum and the tonoplast. It is supposed that vacuoles of neighboring plant cells are interconnected through highly dynamical gap junctions between the tonoplast and the endoplasmic reticulum membrane.

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: Oct 31, 2008

References

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