Overview

In the first part (Part A) of this volume on transport, there was an emphasis on the processes occurring at the membranes bounding the cells. It was convenient to distinguish active and passive processes of transport across the membranes, and to recognize that certain transport processes may be regulated by internal factors in the cells such as cytoplasmic pH, concentrations of ions, of malate or of sugar in the vacuoles, or the hydrostatic pressure. Cells in tissues and organs show the same kinds of properties as individual cells, but in addition there can be cell to cell transport related to the organization of the tissue. Firstly cells within a tissue are separated from the external solutions by a diffusion path comprising parts of the cell walls and intercellular spaces; more generally this extra-cytoplasmic part of the tissue has been called the apoplasm. A similar term is ""free space"". Secondly, the anatomy of cells in tissues seems to allow some facilitated, local transport between cells in a symplasm. Entry into the symplast and subsequent transport in a symplasmic continuum seems to be privileged, in that ions may not have to mix with the bulk of the cytoplasm and can pass from cell to cell in particular cytoplasmic structures, plasmodesmata. In Chara plants, this kind of transport is found operating across the multi-cellular nodes as the main means of transport between the long internodal cells.

Full Product Details

Author:   U. Lüttge ,  M.G. Pitman
Publisher:   Springer-Verlag Berlin and Heidelberg GmbH & Co. KG
Imprint:   Springer-Verlag Berlin and Heidelberg GmbH & Co. K
Edition:   Softcover reprint of the original 1st ed. 1976
Volume:   2 / B
Dimensions:   Width: 17.00cm , Height: 2.50cm , Length: 24.40cm
Weight:   0.848kg
ISBN:  

9783642662324

ISBN 10:   3642662323
Pages:   456
Publication Date:   21 December 2011
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   Manufactured on demand  
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Table of Contents

of Part B.- I. Pathways of Transport in Tissues.- 1. Apoplasmic Transport in Tissues.- 2. Symplasmic Transport in Tissues.- II. Particular Tissue Systems.- 3. Transport Processes in Roots.- 4. Transport Processes in Leaves.- 5. Elimination Processes by Glands.- 6. Transport in Symbiotic Systems Fixing Nitrogen.- III. Control and Regulation of Transport in Tissues and Integration in Whole Plants.- 7. Effect of Hormones and Related Substances on Ion Transport.- 8. Cellular Differentiation, Ageing and Ion Transport.- 9. Genotypic Variation in Transport.- 10. Regulation in the Whole Plant.- Epilog: Integration of Transport in the Whole Plant.- Author Index (Part B).- Symbols, Units and Abbreviations.- Subject Index (Part A and B) (after p. 456).

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