Overview

Associative and Endophytic Nitrogen-fixing Bacteria and Cyanobacterial Associations This book is part of the seven-volume series that was launched a few years ago with the ambitious objectives of reviewing the field of nitrogen fixation from its earliest beginnings through the millennium change and of consolidating the relevant information - from fundamental to agricultural and environmental aspects – all in one place. Volume 5 covers the biology of bacteria that associate with n- leguminous plants. The subject matter includes a wide range of associations; it covers the bacterial species that associate either with the surface or within the tissues of grasses (often referred as plant growth-promoting rhizobacteria) and also the symbiotic associations that cyanobacteria form with fungi, algae, and both lower and higher plants. This volume does not deal with the Frankia-actinorhizal plant associations, which is the topic of Volume 6. The book is divided in 13 chapters, each of which is the work of well-known scientists in the field. Just like in the other volumes of this series, the first chapter is th an historical perspective. It describes how, as early as the end of the 19 century, it was shown that plant exudation favoured the proliferation of soil bacteria in the rhizosphere, and how the first nitrogen-fixing bacteria, including cyanobacteria were isolated. The chapter covers the landmarks and scientific concepts that arose from more than one century of research in this area.

Full Product Details

Author:   Claudine Elmerich ,  William E. Newton
Publisher:   Springer
Imprint:   Springer
Edition:   Softcover reprint of hardcover 1st ed. 2007
Volume:   5
Weight:   0.557kg
ISBN:  

9789048168965

ISBN 10:   9048168961
Pages:   323
Publication Date:   30 November 2010
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   Manufactured on demand  
We will order this item for you from a manufactured on demand supplier.

Table of Contents

"Preface to the Series. Preface. List of Contributors. Dedication. 1. Historical Perspective: From Bacterization to Endophytes; C. Elmerich 1. The Nitrogen Cycle: Heritage from the 19th Century 2. Nutritional Interactions between Bacteria and Plants 3. Associative Nitrogen-fixing Bacteria 4. Discovery of Nitrogen-fixing Endophytes 5. Cyanobacterial Associations 6. Concluding Remarks Acknowledgement References 2. Molecular Phylogeny and Ecology of Root-Associated Diazotrophic a- and ß-Protobacteria; M. Schmid and A. Hartmann 1. Introduction 2. Tools for Molecular Phylogeny and in situ Localizationof Bacterial Isolates and Communities 3. Molecular Phylogeny and Ecology of Azospirillum and Other Nitrogen-fixing a-Subclass Protobacteria 4. Molecular Phylogeny and Ecology of Herbaspirillum, Diazotrophic Burkholderia spp., and Other Nitrogen-fixing ß-Protobacteria 5. Conclusions and Prospects for Future Studies Acknowledgements References 3. Regulation of Nitrogen Fixation and Ammonium Assimilation in Associative and Endophytic Nitrogen-fixing Bacteria; F. O. Pedrosa and C. Elmerich 1. Introduction 2. Rhizospheric and Endophytic Bacteria: General Features 3. Structural Organization of nif Genes 4. Identification of RpoN and Its Involvement in Nitrogen Fixation 5. Thr Ntr System and Control of Nitrogen Metabolism and Nitrogen Fixation 6. Regulation of Nitrogen Fixation 7. Conclusions Acknowledgements References 4. Chemotaxis in Soil Diazotrophs: Survival and Adaptive Response; G. Alexandre and I. B. Zhulin 1. Introduction 2. Gene-Expression Regulation and Chemotaxis as Adaptive Responses to Environmental changes 3. Molecular Mechanism of the Chemotactic Response: Learning from Escherichia coli 4. Directed Motility in Soil Diazotrophs 5.Future Studies References 5. Molecular Genetics of Rhizosphere and Plant-Root Colonization; E. Vanbleu and J. Vanderleyden 1. Introduction 2. Motility of Associative Diazotrophs 3. Attachment to Plant Roots 4. Rhizosphere Competence 5. Conclusions Acknowledgement References 6. Microbial Production of Plant Hormones; B. E. Baca and C. Elmerich 1. Discovery of Phytohormones 2. Production and Role of Phytohormones 3. Pathways for Plant Hormone Biosynthesis: Common Routes in Plants, Bacteria and Fungi 4. Major Routes for IAA synthesis in Pathogenic and Beneficial Nitrogen-fixing Bacteria Associated with Plants 5. Multiple Routes for IAA Synthesis in Azospirillum 6. Other Phytohormones Produced by Plant Pathogenic and Nitrogen-fixing Associated and Endophytic Bacteria 7. Plant Growth Promotion (PGP): Role of Bacterial Phytohormone Production, ACC-Deaminase, and the Use of Synthetic Auxins 8. Concluding Remarks Acknowledgement References 7. The Plant Growth-Promoting Effect and Plant Responses; S. Dobbelaere and Y. Okon 1. N2 Fixation vs. ""Hormonal"" Effects: Historical Perspectives 2. Effects of Azospirillum and Other Diazotrophs on Root Morphology 3. Effects on Root Function 4. Effects on Plant Growth 5. Future Studies References 8. Biocontrol of Plant Diseases by Associative and Endophytic Nitrogen-fixing Bacteria; R. Bally and C. Elmerich 1. Beneficial Plant-Associated Nitrogen-fixing Bacteria and Biocontrol of Plant Disease 2. Interactions within Microbial Communities: Competition 3. Biological Control against Soil-Borne Diseases 4. Regulation of Biocontrol Properties and Cell-Cell 5. Plant Response to Pathogens and Biological Control in the Rhizosphere 6. Concluding Remarks Acknowledgements References 9. Endophytic Associations of Azoarcus spp; B. Reinhold-Hurek and T. Hurek 1. Introduction 2. The Rise of Interest in Diazotrophic Endophytes 3. Azoarcus spp. and related Genera: Strictly Plant-Associated vs. Soil Bacteria 4. Habitats and Ecophysiology 5. Interactions with Fungi 6. Infection of Roots by Endophytic Diazotrophs: An Active Specific Process? 7. Concluding Remarks References 10. Biological Nitrogen Fixation in Sugarcane; V. Reis, S. Lee and C. Kennedy 1. Short History of the Sugarcane-Cropping System 2. Nitrogen-fixing Bacteria Colonizing Sugarcane: New Phylogenetic Data, Properties, and Endophytic Status 3. Contribution of BNF to the Sugarcane Crop 4. Effect of N Fertilization on BNF 5. Genes for Nitrogen Fixation and Their Regulation in G. diazotrophicus and H. seropedicae 6. Is Indole Acetic Acid Production an Important Factor in the Ability of G. diazotrophicus to Enhance Growth of Sugarcane? 7. Concluding Remarks Acknowledgements References 11. Heterocyst Differentiation and Nitrogen Fixation in Cyanobacteria; R. Haselkorn 1. Early History of the Association of Nitrogen Fixation with Heterocysts 2. Cyanobacterial Nitrogenase and nif-Genes Organization 3. Pathway of N Assimilation 4. Carbon Metabolism in Heterocysts 5. Genetic Tools for Studying Cyanobacterial Nitrogen Fixation 6. Regulatory Genes Required for Heterocyst Differentiation 7. Prospects Acknowledgement References 12. Cyanobacterial Associations; B. Bergman, A. N. Rai and U. Rasmussen 1. Introduction 2. Historical Aspects and Landmarks 3. Symbioses with Diatoms (Algae) 4. Symbioses with Fungi 5. Symbioses with Bryophytes 6. Symbioses with Pteridophytes 7. Symbioses with Cycads 8. Symbiosis with Gunnera 9. Creation of New Symbioses and Prospects Acknowledgements References 13. Prospects for Significant Nitrogen Fixation in Grasses from Bacterial Endophytes; E. W. Triplett 1. Ultimate Objective of Nitrogen-fixation Research – Nitrogen Fixation in Maize, Wheat and Rice 2. Understanding the Basic Biology of Endophytic Colonization: Using K. pneumoniae 342 as the Model Diazotrophic Endophyute 3. Attributes Needed for a Model Diazotrophic Endophyte 4. Future Work Needed to Replace Nitrogen Fertilizer with Diazotrophic Endophytes References Subject Index"

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