Current Topics in Bioenergetics

Volume 4

1st Edition - January 1, 1971
Editor: D. Rao Sanadi
Language: English
eBook ISBN:
9 7 8 - 1 - 4 8 3 2 - 1 6 8 8 - 1

Current Topics in Bioenergetics, Volume 4 provides information pertinent to the molecular basis for energy transduction in membranous systems. This book presents the developments… Read more

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Current Topics in Bioenergetics, Volume 4 provides information pertinent to the molecular basis for energy transduction in membranous systems. This book presents the developments of relevant techniques in the field of bioenergetics. Organized into eight chapters, this volume begins with an overview of nonequilibrium and fluorescent probes that deal with relatively unexplored areas. This text then discusses the problem of pathways and mechanisms of energy transformations in the cell. Other chapters consider the transport of ions across the plasma membrane of nearly all living cells, which is a necessary condition for the maintenance of the vital life processes. This book discusses as well that bacterial synthesis offers basic and valuable information of general significance and remarkably stimulating challenges with direct bearing on different aspects of the problem of the basic mechanisms involved in biological electron transport-coupled energy conversion. The final chapter deals with the general models for the transport of sodium and potassium. This book is a valuable resource for biologists and biochemists.

List of Contributors

Preface

Contents of Previous Volumes

Nonequilibrium Thermodynamics and Its Application to Bioenergetics

I. Introduction

II. Coupled Phenomena

III. Energy Conversion-General Considerations

IV. Active Transport

V. Oxidative Phosphorylation

VI. Muscular Contraction

VII. Conclusions

References

List of Symbols

The Design and Use of Fluorescent Probes for Membrane Studies

I. Introduction

II. Principles for the Design of Probes

III. Application of Probes to Proteins and Their Models

IV. Uses of Probes for Membranes and Their Models

V. Postscript

References

Energy Transformations in the Respiratory Chain

I. Introduction

II. The Chemical Work of the Redox Chain

III. Conversion of Oxidative Energy into Electrical and Osmotic Forms

IV. On the Problem of Mechanical Work in Mitochondria

V. Heat Production in the Redox Chain

VI. Conclusion

References

Profiles of Mitochondrial Monovalent Ion Transport

I. Introduction

II. Noninduced Transport of Monovalent Cations

III. Introduction of Ion Transport

IV. Energetics and Induced Ion Transport

References

Coupling of Ion and Electron Transport in Chloroplasts

I. Introduction

II. Aspects of Membrane Potentials

III. Chloroplast Ion Transport

References

Energy Conversion Reactions in Bacterial Photosynthesis

I. Introduction

II. Development of the Present Picture

III. Current Models for Energy Coupling

IV. Energy-Linked Ion Movements

V. Energy-Linked Phosphate Metabolism

VI. Other Energy Conversion Reactions

VII. General Conclusions

References

Electrogenic Ion Pumping in Nervous Tissue

I. Introduction

II. Nerve Axons

III. Ganglion Cells

IV. Sensory Receptors

V. Electrogenic Pumps in Central Nervous Function

VI. Criteria for an Electrogenic Pump

VII. Origin of Electrogenicity

VIII. Summary

References

Sequence of Steps in the (Na + K)-Activated Enzyme System in Relation to Sodium and Potassium Transport

I. Introduction

II. General Models for the Transport System

III. The Affinities for Sodium and Potassium

IV. The Effect of Sodium and Potassium on the Requirement for Magnesium and ATP

V. Phosphorylation

VI. Effect of Potassium on the Phosphorylation

VII. Observations on the (NA+K) Activated Enzyme System in Relation to the General Models for Transport

VIII. Fluxes of Sodium and Potassium in the Intact Cell in Relation to the Transport Models

IX. The Molecular Basis for the Transport

X. Conclusion

References

Author Index

Subject Index