Functions of the Vacuole in Higher Plant Cells

Functions of the Vacuole in Higher Plant Cells Current views of the activities inherent in the vacuole as a multifunctional compartment in higher plant cells are outlined. The available data indicate that the vacuole is involved in ion homeostasis of the cytosol, storing products of the primary and secondary metabolism, osmoregulation, generation of defense responses of plant cells under biotic and abiotic stress, and programmed cell death. Transport of diverse molecules and ions across the vacuolar membrane, i.e., the tonoplast, plays the major role in all these functional activities of the vacuole. Much progress toward the identification of the transport systems located in this membrane and the elucidation of the mechanisms underlying their functioning has been achieved in the last 10–15 years and has given new insights into the role of the vacuole in the integration and regulation of plant cell metabolism. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Functions of the Vacuole in Higher Plant Cells

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Publisher
Kluwer Academic Publishers-Plenum Publishers
Copyright
Copyright © 2001 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Plant Sciences
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1023/A:1016776523371
Publisher site
See Article on Publisher Site

Abstract

Current views of the activities inherent in the vacuole as a multifunctional compartment in higher plant cells are outlined. The available data indicate that the vacuole is involved in ion homeostasis of the cytosol, storing products of the primary and secondary metabolism, osmoregulation, generation of defense responses of plant cells under biotic and abiotic stress, and programmed cell death. Transport of diverse molecules and ions across the vacuolar membrane, i.e., the tonoplast, plays the major role in all these functional activities of the vacuole. Much progress toward the identification of the transport systems located in this membrane and the elucidation of the mechanisms underlying their functioning has been achieved in the last 10–15 years and has given new insights into the role of the vacuole in the integration and regulation of plant cell metabolism.

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: Oct 10, 2004

References

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