Mechanisms of Absorption, Transport, Accumulation, and Secretion of Ions

Mechanisms of Absorption, Transport, Accumulation, and Secretion of Ions By H. LUNDEGARDH Penningby, Sweden Transport of ions involving osmotic work is more characteristic of plants than of animals, a fact obviously related to the need for high osmotic values in most living cells and for osmotic mechanisms of sap movement. The whole complex of problems pertinent to the question of active transport has been extensively debated in a number of comprehensive reviews speculation at the expense of experimental work. (1 to 6, 12). In a difficult field such as this, there is danger of overemphasizing theoretical A few papers are exclusively devoted to thermodynamic speculations (3,7), and in this area one frequently proceeds without knowledge of the vast already existing experimental material which must be adequately evaluated before it may be described as real progress. Conway (8) has treated the general problem of a "redox pump" for ions from a thermodynamic point of view, but his scheme shows no salient features which may be distinguished from the theory of anion respiration. The author presented a review of the anion respiration to the symposium on active transport of ions in Bangor, England in tant literature has been extended. 1952 (12). The substance of the present article is much http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Annual Review of Plant Biology Annual Reviews

Mechanisms of Absorption, Transport, Accumulation, and Secretion of Ions

Annual Review of Plant Biology, Volume 6 (1) – Jun 1, 1955

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Publisher
Annual Reviews
Copyright
Copyright 1955 Annual Reviews. All rights reserved
Subject
Review Articles
ISSN
1040-2519
DOI
10.1146/annurev.pp.06.060155.000245
Publisher site
See Article on Publisher Site

Abstract

By H. LUNDEGARDH Penningby, Sweden Transport of ions involving osmotic work is more characteristic of plants than of animals, a fact obviously related to the need for high osmotic values in most living cells and for osmotic mechanisms of sap movement. The whole complex of problems pertinent to the question of active transport has been extensively debated in a number of comprehensive reviews speculation at the expense of experimental work. (1 to 6, 12). In a difficult field such as this, there is danger of overemphasizing theoretical A few papers are exclusively devoted to thermodynamic speculations (3,7), and in this area one frequently proceeds without knowledge of the vast already existing experimental material which must be adequately evaluated before it may be described as real progress. Conway (8) has treated the general problem of a "redox pump" for ions from a thermodynamic point of view, but his scheme shows no salient features which may be distinguished from the theory of anion respiration. The author presented a review of the anion respiration to the symposium on active transport of ions in Bangor, England in tant literature has been extended. 1952 (12). The substance of the present article is much

Journal

Annual Review of Plant BiologyAnnual Reviews

Published: Jun 1, 1955

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