Physiology of Stressed Crops, Vol. 5 : Membrane System book cover
1st Edition

Physiology of Stressed Crops, Vol. 5
Membrane System

ISBN 9781578085217
Published January 9, 2007 by CRC Press
418 Pages

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Book Description

Though plant cells are separated by cell walls, cells maintain their identity as they are delimited by semi-permeable membranes that permit them to function as autonomous units. The flow of materials in and out of the cell is regulated by channels, transporters, pumps, and acquaporins in these membranes. The cytoplasm is sandwiched between two membranes: the plasma membrane, which forms the outer boundary of the cytoplasm, and the tonoplast or the vacuolar membrane which forms the inner boundary. Cell membranes serve several different functions: form boundaries and provide compartmentalization, site of chemical reactions catalyzed by membrane proteins, regulate the exchange of ions/compounds across the barrier, site of perception/transmission of signals (hormones), and act in cell-to-cell communication. The membrane functions are affected by different abiotic (biotic stress not discussed), nutritional, edaphic and mechanical stresses, which have been discussed in this volume in light of the recent literature

Table of Contents

Membranes; Cold and Freezing; Heat Stress; Drought Stress; Salinity Stress; Hypoxic Stress; Oxidative Stress; UV-B Radiation Stress; Nutrient Deficiency Stress; Heavy Metal Toxicity Stress; Soil Acidity Stress; Mechanical Stress and Wounding; Low Humidity Stress

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