Metals and Micronutrients - 1st Edition - ISBN: 9780125895804, 9781483289045

Metals and Micronutrients

1st Edition

Uptake and Utilization By Plants

Editors: D.A. Robb
eBook ISBN: 9781483289045
Imprint: Academic Press
Published Date: 28th January 1983
Page Count: 341
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Metals and Micronutrients: Uptake and Utilization by Plants contains the contributions of invited speakers at 1981 Easter meeting of the Phytochemical Society of Europe. The meeting brings together chemists, biochemists, physiologists, and agronomists to discuss aspects of phytometallurgy-how plants extract,accumulate, and use metals. The order of chapters in this book is meant to emphasize stages in the sequence, that is, uptake-incorporation-function. This book first describes the process of absorption of metals and micronutrients in plants, as well as the influences of the environment. This text then talks about the aspects of the movement and storage of iron and its incorporation into prosthetic groups. Some ways in which metals are involved in physiological and metabolic processes in plants are explained. This reference material will be valuable to senior undergraduates and postgraduates in this field of interest.

Table of Contents



Part 1

Chapter 1 Uptake of Cations and Their Transport within the Plant

I. Introduction

II. Entry and Translocation of Cations

III. Regulation of Ion Content in Whole Plants


Chapter 2 Mycorrhizal Fungi and Ion Uptake

I. Introduction

II. Biology and Function of Mycorrhizas

III. Phosphorus Uptake, Translocation, and Transfer Processes

IV. Uptake of Trace Metals by Mycorrhizal Plants

V. Conclusion


Chapter 3 Adaptation to Salinity in Angiosperm Halophytes

I. Introduction

II. Osmotic Stress and Adjustment

III. Metabolism at Low Water Potentials

IV. Sub-cellular Ion Localization

V. Intracellular Osmotic Adjustment

VI. Concluding Remarks


Chapter 4 Adaptation to Toxic Metals

I. Introduction

II. Metal Exclusion and Restrictions in Transport

III. Index Plants

IV. Accumulator Species

V. Discussion


Chapter 5 Potassium Transport and the Plasma Membrane-ATPase in Plants

I. Introduction

II. K+ Transport in Mammalian and Fungal Cells

III. K+ Transport in Higher Plant Cells


Chapter 6 Boron and Membrane Function in Plants

I. Introduction

II. Possible Roles of Boron

III. Effects on Membrane Function

IV. Direct Interactions of Boron with Membranes

V. NMR Studies

VI. Conclusions


Part 2

Chapter 7 Phytoferritin and its Role in Iron Metabolism

I. Introduction

II. Regulation of Iron Uptake

III. Ferritin


Chapter 8 Ferrochelatase

I. Introduction

II. Localization of Ferrochelatase

III. The Porphyrin Specificity of Ferrochelatase

IV. The Metal Ion Specificity

V. Permeability Properties of Mitochondria and Their Effects on Ferrochelatase

VI. Ferrochelatase of Rhodopseudomonas sphaeroides

VII. Factors Affecting the Activity of Ferrochelatase


Part 3

Chapter 9 Metals and Photosynthesis

I. Introduction

II. Metals in Photosynthetic Electron Transport

III. Counter-Ion Movement and Control of the Calvin Cycle

IV. The Electrical Diffuse Double Layer

V. Conclusions


Chapter 10 Characteristics of the Higher Plant Respiratory Chain

I. Introduction

II. Components of the Respiratory Chain

III. Special Features of the Respiratory Chain in Plants

IV. Conclusions


Chapter 11 Calmodulin Activation of NAD Kinase and its Role in the Metabolic Regulation of Plants

I. Introduction

II. Molecular Properties of Calmodulin

III. Interaction of Calmodulin with NAD Kinase

IV. Possible Significance of Calmodulin in Plants



Chapter 12 Micronutrients and Nitrate Reductase

I. Introduction

II. Purification and Composition of Nitrate Reductase

III. Molybdenum Requirement of Plants

IV. Beneficial Effect of Tungsten

V. Effect of Manganese

VI. Proposed Reaction Mechanism of Nitrate Reductase


Chapter 13 Selenium and Plant Metabolism

I. Introduction

II. Comparative Chemistry of Selenium and Sulphur

III. Factors Affecting the Selenium Content of Plants

IV. Chemical Forms of Selenium in Plants

V. Sulphur/Selenium Antagonisms in Plants

VI. Metabolism of Selenium in Plants

VII. Is Selenium Essential for Plant Growth?


Chapter 14 A Perspective of Mineral Nutrition: Essential and Functional Metals in Plants

I. Introduction

II. Accountable Proportions of Some Micronutrients

III. Molybdenum-Tungsten Interactions: Proposal for Competition between Storage and Enzyme Complexes

IV. Effect of Alternative Metabolic Pathways on Metal Requirements

V. Comparative Aspects of Nutritional Functions

VI. Conclusions





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© Academic Press 1983
Academic Press
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About the Editor

D.A. Robb

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