Bacterial Energetics

Bacterial Energetics

A Treatise on Structure and Function

1st Edition - August 28, 1990

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  • Editor: Terry Krulwich
  • eBook ISBN: 9780323145305

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Bacterial Energetics deals with bacterial energetics and the molecular basis of how ions move between and within energy-transducing molecules. Topics covered range from respiration-driven proton pumps and primary sodium pumps to light-driven primary ionic pumps, bacterial transport ATPases, and bacterial photosynthesis. Sodium-coupled cotransport and ion-exchange systems in prokaryotes are also considered. This volume is comprised of 17 chapters and begins with an analysis of the pumps and processes that establish electrochemical ion gradients across bacterial membranes, followed by a discussion on the major types of bioenergetic work that utilize these gradients. The energetics of periplasmic transport systems, chemolithotrophs, methanogens, and protein insertion and translocation into or across membranes are also examined, along with bioenergetics in extreme environments such as high-pressure and high-temperature environments; energetic problems of bacterial fermentations; energetics of bacterial motility; and energetics of the bacterial phosphotransferase system in sugar transport and the regulation of carbon metabolism. This book should be of interest to molecular biologists and biochemists.

Table of Contents

  • Preface

    1. Respiration-Driven Proton Pumps

    I. Introduction

    II. Cytochrome aa3-Type Oxidase

    III. Cytochrome o-Type and d-Type Oxidases

    IV. Cytochrome bc-b6f Complex

    V. NADH Dehydrogenase and Complex I

    VI. Energy-Transducing Components Other than Complexes I-IV

    VII. Epilogue


    2. Primary Sodium Pumps and Their Significance in Bacterial Energetics

    I. Introduction

    II. Respiration-Driven Sodium Pump

    III. Decarboxylase-Driven Sodium Pump

    IV. ATP-Driven Sodium Pump

    V. Significance of Primary Sodium Pumps in Energetics


    3. Light-Driven Primary Ionic Pumps

    I. Introduction

    II. Transport Physiology of the Halobacteria

    III. Structure of Bacterial Rhodopsins

    IV. The Retinal Chromophore

    V. The Photocycle

    VI. Photoelectric Effects in Oriented Bacteriorhodopsin and Halorhodopsin Systems

    VII. Ion Translocation Models

    VIII. Summary and Prospects


    4. Bacterial Transport ATPases

    I. Introduction

    II. P-Type ATPases

    III. Peripheral Membrane Protein ATPases

    IV. Other ATP-Driven Systems

    V. Summary and Overview


    5. Bacterial Photosynthesis: From Photons to Δp

    I. Introduction

    II. Taxonomy

    III. Habitats

    IV. Pigments

    V. The Antenna System

    VI. Photochemical Reaction Centers

    VII. The Cytochrome bc1 Complex

    VIII. Noncyclic Electron Flow

    IX. Consumption of the Proton Gradient


    6. Active Transport: Membrane Vesicles, Bioenergetics, Molecules, and Mechanisms

    I. Introduction

    II. Membrane Vesicles and Active Transport

    III. Bioenergetics

    IV. Molecules: The lac Permease of Escherichia coli

    V. Use of Oligonucleotide-Directed Site-Specific Mutagenesis to Probe the Structure and Function of lac Permease


    7. Sodium-Coupled Cotransport

    I. Introduction

    II. Na+ Cotransport in Escherichia coli and Salmonella typhimurium: Paradigms

    III. Na+ Cotransport in Other Bacteria

    IV. Recognition of Na+

    V. Summary


    8. Energetics of Periplasmic Transport Systems

    I. Introduction

    II. General Characteristics of Periplasmic Permeases

    III. Transport Models

    IV. Energy Coupling

    V. Universality of the Conserved Component: Relationship to Energy Coupling

    VI. Conclusions


    9. Ion-Exchange Systems in Prokaryotes

    I. Introduction

    II. Cation-Linked Antiporters

    III. Amino Acid-Linked Antiporters

    IV. Anion Antiporters


    10. Energetics of the Bacterial Phosphotransferase System in Sugar Transport and the Regulation of Carbon Metabolism

    I. Introduction

    II. Energetics of Sugar Transport via the Phosphotransferase System (PTS)

    III. Regulation of PTS Sugar Uptake

    IV. Energetics of the PTS in Relation to Other Carbohydrate Permeases

    V. Regulation of Non-PTS Sugar Uptake

    VI. Energetics of Gluconeogenesis

    VII. PTS-Mediated Regulation of Gluconeogenesis

    VIII. Energetics of Anaerobic versus Aerobic Carbohydrate Metabolism

    IX. Regulation of Anaerobic versus Aerobic Carbohydrate Metabolism

    X. PTS-Mediated Regulation of Virulence

    XI. Conclusions and Perspectives


    11. Motility

    I. Introduction

    II. Mechanics

    III. Energetics

    IV. Structure

    V. Mechanism

    VI. Summary


    12. Molecular Mechanics of ATP Synthesis of F1F0-Type H+-Transporting ATP Syntheses

    I. Introduction

    II. The Site of the Transphosphorylation Reaction in F1

    III. Structure of H+-Translocating F0 Sector

    IV. Molecular Mechanics in Coupling H+ Translocation to ATP Synthesis


    13. Energetic Aspects of Protein Insertion and Translocation into or across Membranes

    I. Introduction

    II. The Involvement of an Energized Membrane in Bacterial Protein Insertion and Translocation

    III. ATP-Dependent Protein Translocation

    IV. Translocation of Lipoprotein

    V. Conclusion and Perspectives


    14. Bioenergetics in Extreme Environments

    I. Introduction

    II. Extremes of pH

    III. High Salinity

    IV. Extreme Temperatures

    V. High Pressure

    VI. Conclusions


    15. Energetic Problems of Bacterial Fermentations: Extrusion of Metabolic End Products

    I. Introduction

    II. Passive Flux of Metabolites

    III. Lactate Efflux and the Energy-Recycling Model

    IV. Transport of Metabolites of the Arginine and Agmatine Deiminase Pathways

    V. Concluding Remarks


    16. Energetics of Chemolithotrophs

    I. Introduction

    II. Chemolithotrophic Energy Substrates and Their Oxidation

    III. Electron Transport and Terminal Electron-Accepting Systems

    IV. Formation of ATP and Reduced NAD(P) in Chemolithotrophs

    V. Chemiosmotic Energy Coupling in Chemolithotrophy

    VI. Chemical Thermodynamics, Energetic Efficiency, and Growth Yields

    VII. The yATP Concept Applied to Chemolithotrophs

    VIII. Bioenergetic Unity and the Chemolithotrophs


    17. Energetics of Methanogens

    I. Introduction

    II. Physiology of Methanogens

    III. Biochemistry of Methanogenesis

    IV. Synthesis of ATP Coupled to Methanogenesis

    V. Sodium Energetics in Methanogens

    VI. Concluding Remarks



Product details

  • No. of pages: 582
  • Language: English
  • Copyright: © Academic Press 1990
  • Published: August 28, 1990
  • Imprint: Academic Press
  • eBook ISBN: 9780323145305

About the Editor

Terry Krulwich

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