Plant-bacteria interactions: strategies and techniques to promote plant growth
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Wiley-VCH
2008
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| Beschreibung: | Literaturangaben |
| Beschreibung: | XVII, 310 S. Ill., graph. Darst. 25 cm |
| ISBN: | 9783527319015 3527319018 |
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| 245 | 1 | 0 | |a Plant-bacteria interactions |b strategies and techniques to promote plant growth |c ed. by Iqbal Ahmad ... |
| 246 | 1 | 3 | |a Plant bacteria interactions |
| 264 | 1 | |a Weinheim |b Wiley-VCH |c 2008 | |
| 300 | |a XVII, 310 S. |b Ill., graph. Darst. |c 25 cm | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 500 | |a Literaturangaben | ||
| 650 | 4 | |a Croissance (Plantes) | |
| 650 | 4 | |a Plantes - Biotechnologie | |
| 650 | 4 | |a Plantes - Substances de croissance | |
| 650 | 4 | |a Growth (Plants) | |
| 650 | 4 | |a Plant biotechnology | |
| 650 | 4 | |a Plant growth promoting substances | |
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| 943 | 1 | |a oai:aleph.bib-bvb.de:BVB01-016765022 | |
Datensatz im Suchindex
| _version_ | 1805091225200492544 |
|---|---|
| adam_text |
Contents
List of Contributors XIII
1 Ecology, Genetic Diversity and Screening Strategies of Plant
Growth Promoting Rhizobacteria (PGPR) 1
Jorge Barriuso, Beatriz Ramos Solano, Josi A. Lucas, Agustin Probanza Lobo,
Ana Carcia-Villaraco, and F.J. Cutiärrez Martern
1.1 Introduction 1
1.1.1 Rhizosphere Microbial Ecology 1
1.1.2 Plant Growth Promoting Rhizobacteria (PGPR) 3
1.2 Rhizosphere Microbial Structure 4
1.2.1 Methods to Study the Microbial Structure in the Rhizosphere 4
1.2.2 Ecology and Biodiversity of PGPR Living in the Rhizosphere 5
1.2.2.1 Diazotrophic PGPR 6
1.2.2.2 Bacillus 6
1.2.2.3 Pseudomonas 6
1.2.2.4 Rhizobia 6
1.3 Microbial Activity and Functional Diversity in the Rhizosphere 7
1.3.1 Methods to Study Activity and Functional Diversity in
the Rhizosphere 7
1.3.2 Activity and Effect of PGPR in the Rhizosphere 8
1.4 Screening Strategies of PGPR 9
1.5 Conclusions 13
1.6 Prospects 13
References 13
2 Physicochemical Approaches to Studying Plant Growth Promoting
Rhizobacteria 19
Alexander A. Kamnev
2.1 Introduction 19
2.2 Application of Vibrational Spectroscopy to Studying Whole
Bacterial Cells 20
Plant-Bacteria Interactions. Strategies and Techniques to Promote Plant Growth
Edited by Iqbal Ahmad, John Pichtel, and Shamsul Hayat
Copyright © 2008 WILEY-VCH Verlag GmbH Co. KGaA, Weinheim
ISBN: 978-3-527-319O1-5
VI Contents
2.2.1 Methodological Background 20
2.2.2 Vibrational Spectroscopic Studies of A. brasilense Cells 20
2.2.2.1 Effects of Heavy Metal Stress on A. brasilense
Metabolism 20
2.2.2.2 Differences in Heavy Metal Induced Metabolic Responses
in Epiphytic and Endophytic A. brasilense Strains 21
2.3 Application of Nuclear 7-Resonance Spectroscopy to Studying
Whole Bacterial Cells 25
2.3.1 Methodological Background 25
2.3.2 Emission Mössbauer Spectroscopic Studies of Cobalt(II) Binding
and Transformations in A. brasilense Cells 26
2.4 Structural Studies of Glutamine Synthetase (GS)
from A. brasilense 29
2.4.1 General Characterization of the Enzyme 29
2.4.2 Circular Dichroism Spectroscopic Studies of the Enzyme
Secondary Structure 30
2.4.2.1 Methodology of Circular Dichroism (CD) Spectroscopic Analysis
of Protein Secondary Structure 30
2.4.2.2 The Effect of Divalent Cations on the Secondary Structure of GS
from A. brasilense 31
2.4.3 Emission Mössbauer Spectroscopic Analysis of the Structural
Organization of the Cation-Binding Sites in the Enzyme Active
Centers 32
2.4.3.1 Methodological Outlines and Prerequisites 32
2.4.3.2 Experimental Studies of A. brasilense GS 33
2.4.3.3 Conclusions and Outlook 35
2.5 General Conclusions and Future Directions of Research 36
References 37
3 Physiological and Molecular Mechanisms of Plant Growth Promoting
Rhizobacteria (PCPR) 41
Beatriz Ramos Solano, Jorge Barriuso Maicas,
and F.J. Cutiirrez Manero
3.1 Introduction 41
3.2 PGPR Grouped According to Action Mechanisms 41
3.2.1 PGPR Using Indirect Mechanisms 42
3.2.1.1 Free Nitrogen-Fixing PGPR 42
3.2.1.2 Siderophore-Producing PGPR 44
3.2.1.3 Phosphate-Solubilizing PGPR 45
3.2.2 PGPR Using Direct Mechanisms 45
3.2.2.1 PGPR that Modify Plant Growth Regulator Levels 46
3.2.2.2 PGPR that Induce Systemic Resistance 50
3.3 Conclusions 51
3.4 Future Prospects 51
References 52
Contents VII
4 A Review on the Taxonomy and Possible Screening Traits of Plant
Growth Promoting Rhizobacteria 55
M. Rodriguez-Diaz, B. Rodelas, C. Pozo, M.V. Martinez-Toledo,
and]. Conzdlez-Löpez
4.1 Introduction 55
4.2 Taxonomy of PGPR 56
4.3 Symbiotic Plant Growth Promoting Bacteria 63
4.3.1 LNB 63
4.3.1.1 Alphaproteobacteria 63
4.3.1.2 Betaproteobacteria 67
4.3.2 Bacteria Capable of Fixing Dinitrogen in Symbiosis with Plants
Other Than Legumes 67
4.3.2.1 Actinobacteria 68
4.3.2.2 Cyanobacteria 68
4.3.2.3 Gluconacetobacter 69
4.4 Asymbiotic Plant Growth Promoting Bacteria 69
4.4.1 Alphaproteobacteria: Genera Acetobacter, Swaminathania and
Azospirillum 69
4.4.1.1 Acetobacter and Swaminathania 69
4.4.1.2 Azospirillum 70
4.4.2 Gammaproteobacteria 70
4.4.2.1 Enterobacteria 70
4.4.2.2 Citrobacter 70
4.4.2.3 Enterobacter 70
4.4.2.4 Erwinia 71
4.4.2.5 The Klebsiella Complex 71
4.4.2.6 Kluyvera 71
4.4.2.7 Pantoea 72
4.4.2.8 Serratia 72
4.4.2.9 Pseudomonas 72
4.4.2.10 Azotobacter (Azomonas, Beijerinckia and Derxia) 72
4.4.3 Firmicutes. Genera Bacillus and Paenibacillus 73
4.4.3.1 Bacillus 73
4.4.3.2 Paenibacillus 73
4.5 Screening Methods of PGPR 74
4.5.1 Culture-Dependent Screening Methods 74
4.5.2 Culture-Independent Screening Methods 75
4.6 Conclusions and Remarks 75
References 76
5 Diversity and Potential of Nonsymbiotic Diazotrophic Bacteria
in Promoting Plant Growth 81
Farah Ahmad, Iqbal Ahmad, Farrukh Aqil, M.S. Khan, and S. Hayat
5.1 Introduction 81
5.2 Rhizosphere and Bacterial Diversity 82
VIM I Contents
5.2.1 Diazotrophic Bacteria 84
5.2.1.1 Symbiotic Diazotrophic Bacteria 85
5.2.1.2 Asymbiotic Diazotrophic Bacteria 86
5.3 Asymbiotic Nitrogen Fixation and Its Significance
to Plant Growth 89
5.4 Plant Growth Promoting Mechanisms of Diazotrophic PGPR 90
5.5 Interaction of Diazotrophic PGPR with Other Microorganisms 93
5.5.1 Interaction of Diazotrophic PGPR with Rhizobia 93
5.5.2 Interaction of Diazotrophic PGPR with Arbuscular Mycorrhizae 96
5.6 Other Dimensions of Plant Growth Promoting Activities 97
5.6.1 ACC Deaminase Activity 97
5.6.2 Induced Systemic Resistance (ISR) 98
5.6.3 Improved Stress Tolerance 98
5.6.4 Quorum Sensing 99
5.7 Critical Gaps in PGPR Research and Future Directions 100
References 102
6 Molecular Mechanisms Underpinning Colonization of a Plant
by Plant Growth Promoting Rhizobacteria 111
Christina D. Moon, Stephen R. Giddens, Xue-Xian Zhang,
and Robert W. Jackson
6.1 Introduction 111
6.2 Identification of Plant-Induced Genes of SBW25 Using IVET 113
6.3 Regulatory Networks Controlling Plant-Induced Genes 119
6.4 Spatial and Temporal Patterns of Plant-Induced
Gene Expression 123
6.5 Concluding Remarks and Future Perspectives 126
References 126
7 Quorum Sensing in Bacteria: Potential in Plant Health Protection 129
Iqbal Ahmad, Farrukh Aqil, Farah Ahmad, Maryam Zahin,
andjaved Musarrat
7.1 Introduction 129
7.2 Acyl-HSL-Based Regulatory System: The Lux System 130
7.3 QS and Bacterial Traits Underregulation 132
7.4 QS in Certain Phytopathogenic Bacteria 137
7A.I E. carotovora 137
7.4.2 R. solanacearum 138
7.4.3 Xanthomonas campestris 138
7.4.4 Other Bacteria 139
7.5 Quorum-Sensing Signal Molecules in Gram-Negative Bacteria 139
7.5.1 Bioassays for the Detection of Signal Molecules 141
7.5.2 Chemical Characterization of Signal Molecules 142
7.6 Interfering Quorum Sensing: A Novel Mechanism for Plant
Health Protection 144
Contents \ IX
7.7 Conclusion 147
References 148
8 Pseudomonas aurantiaca SRI: Plant Growth Promoting Traits,
Secondary Metabolites and Crop Inoculation Response 255
Marisa Rovera, Evelin Carlier, Carolina Pasluosta, German Avanzini,
Javier Andres, and Susana Rosas
8.1 Plant Growth Promoting Rhizobacteria: General Considerations 155
8.2 Secondary Metabolites Produced by Pseudomonas 156
8.3 Coinoculation Greenhouse Assays in Alfalfa (Medicago sativa L.) 157
8.4 Field Experiments with P. aurantiaca SRI in Wheat (Triticum
aestivum L) 158
8.5 Conclusions 161
References 161
9 Rice-Rhizobia Association: Evolution of an Alternate Niche of Beneficial
Plant-Bacteria Association 165
Ravi P. N. Mishra, Ramesh K. Singh, Hemant K. Jaiswal, Manoj K. Singh,
YoussefC. Yanni, and Frank B. Dazzo
9.1 Introduction 165
9.2 Landmark Discovery of the Natural Rhizobia-Rice Association 166
9.3 Confirmation of Natural Endophytic Association of Rhizobia
with Rice 168
9.4 Association of Rhizobia with Other Cereals like Wheat, Sorghum,
Maize and Canola 170
9.5 Mechanism of Interaction of Rhizobia with Rice Plants 171
9.5.1 Mode of Entry and Site of Endophytic Colonization in Rice 171
9.5.2 Systemic Movement of Rhizobial Endophytes from Rice Root
to Leaf Tip 176
9.5.3 Genetic Predisposition of Rice-Rhizobia Association 176
9.6 Importance of Endophytic Rhizobia-Rice Association in
Agroecosystems 177
9.6.1 Plant Growth Promotion by Rhizobium Endophytes 177
9.6.2 Extensions of Rhizobial Endophyte Effects 180
9.6.2.1 Use of Rhizobial Endophytes from Rice with Certain Maize
Genotypes 180
9.6.2.2 Rhizobia-Rice Associations in Different Rice Varieties 180
9.7 Mechanisms of Plant Growth Promotion by Endophytic Rhizobia 182
9.7.1 Stimulation of Root Growth and Nutrient Uptake Efficiency 182
9.7.2 Secretion of Plant Growth Regulators 185
9.7.3 Solubilization of Precipitated Phosphate Complexes by Rhizobial
Endophytes 185
9.7.4 Endophytic Nitrogen Fixation 186
9.7.5 Production of Fe-Chelating Siderophores 187
9.7.6 Induction of Systemic Disease Resistance 188
X I Contents
9.8 Summary and Conclusion 188
References 190
10 Principles, Applications and Future Aspects of Cold-Adapted
PCPR 195
Mahejibin Khan and Reeta Coel
10.1 Introduction 195
10.2 Cold Adaptation of PGPR Strains 196
10.2.1 Cytoplasmic Membrane Adaptation 197
10.2.2 Carbon Metabolism and Electron Flow 198
10.2.3 Expression of Antifreeze Proteins 199
10.3 Mechanism of Plant Growth Promotion at Low Temperature 201
10.3.1 Phytostimulation 201
10.3.2 Frost Injury Protection 202
10.4 Challenges in Selection and Characterization of PGPR 202
10.5 Challenges in Field Application of PGPRs 202
10.6 Applications of PGPRs 203
10.6.1 Applications of PGPR in Agriculture 203
10.6.2 Application of PGPR in Forestry 204
10.6.3 Environmental Remediation and Heavy Metal Detoxification 207
10.7 Prospects 208
References 209
11 Rhamnolipid-Producing PCPR and Their Role in Damping-Off
Disease Suppression 213
Alok Sharma
11.1 Introduction 213
11.2 Biocontrol 214
11.2.1 Antibiotic-Mediated Suppression 214
11.2.2 HCN Production 216
11.2.3 Induced Systemic Resistance 216
11.3 Damping-Off 217
11.3.1 Causal Organisms 217
11.3.2 Control 218
11.4 Rhamnolipids 229
11.4.1 Biosynthesis of Rhamnolipids 222
11.4.2 Genetics of Rhamnolipid Synthesis 222
11.4.3 Regulation 223
11.4.4 Rhamnolipid-Mediated Biocontrol 224
11.4.5 Other Agricultural Applications 226
11.5 Quorum Sensing in the Rhizosphere 226
11.5.1 The Dominant System (las) 226
11.5.2 The rhl System 226
11.6 Conclusions and Future Directions 228
References 228
Contents XI
12 Practical Applications of Rhizospheric Bacteria in Biodegradation
of Polymers from Plastic Wastes 235
Ravindra Soni, Sarita Kumari, Mohd G.H. Zaidi, Yogesh S. Shouche,
and Reeta Coel
12.1 Introduction 235
12.2 Materials and Methods 236
12.2.1 Chemicals and Media 236
12.2.2 LDPE-g-PMMA 236
12.2.3 LDPE-g-PMH 236
12.2.4 Isolation of Bacteria 236
12.2.5 Screening of Bacterial Isolates to Grow in the Presence
of Polymer 237
12.2.6 Optimization of Growth Conditions 237
12.2.7 Biodegradarion Studies 237
12.3 Results and Discussion 237
12.3.1 Growth in the Presence of Polymer 238
12.3.2 Biodegradarion Studies 238
12.3.2.1 B. cereus 238
12.3.2.2 Bacillus sp. 238
12.3.2.3 B. pumilus 239
12.3.2.4 Bacterial Consortium and LDPE 240
12.3.2.5 FTIR Spectroscopy 241
12.4 Conclusions 242
References 243
13 Microbial Dynamics in the Mycorrhizosphere with Special Reference
to Arbuscular Mycorrhizae 245
Abdul G. Khan
13.1 The Soil and the Rhizosphere 245
13.2 Rhizosphere and Microorganisms 245
13.2.1 Glomalian Fungi 245
13.2.2 Arbuscular Mycorrhiza-Rhizobacteria Interactions 247
13.2.3 Plant Growth Promoting Rhizobacteria 249
13.2.4 Co-occurrence of AMF and PGPR/MHB 250
13.3 Conclusion 252
References 252
14 Salt-Tolerant Rhizobacteria: Plant Growth Promoting Traits
and Physiological Characterization Within Ecologically Stressed
Environments 257
Dilfuza Egamberdiyeva and Khandakar R. Islam
14.1 Introduction 257
14.2 Diversity of Salt-Tolerant Rhizobacteria 259
14.3 Colonization and Survival of Salt-Tolerant Rhizobacteria 261
14.4 Salt and Temperature Tolerance 263
XII Contents
14.5 Physiological Characterization of Rhizobacteria 264
14.6 Plant Growth Stimulation in Arid Soils 268
14.7 Biomechanisms to Enhance Plant Growth 273
14.8 Conclusions 275
14.9 Future Directions 276
References 276
15 The Use of Rhizospheric Bacteria to Enhance Metal Ion Uptake
by Water Hyacinth, Eichhornia crassipe (Mart) 283
Lai M. So, Alex T. Chow, Kin H. Wong, and Po K. Wong
15.1 Introduction 283
15.2 Overview of Metal Ion PoEution 284
15.3 Treatment of Metal Ions in Wastewater 285
15.3.1 Conventional Methods 285
15.3.2 Microbial Methods 285
15.3.3 Phytoremediation 286
15.3.3.1 An Overview of Phytoremediation 286
15.3.3.2 Using Water Hyacinth for Wastewater Treatment 287
15.4 Biology of Water Hyacinth 290
15.4.1 Scientific Classification 290
15.4.2 Morphology 291
15.4.3 Ecology 292
15.4.4 Environmental Impact 293
15.4.5 Management of Water Hyacinth 293
15.5 Microbial Enhancement of Metal Ion Removal Capacity
of Water Hyacinth 294
15.5.1 Biology of the Rhizosphere 294
15.5.2 Mechanisms of Metal Ion Removal by Plant Roots 295
15.5.3 Effects of Rhizospheric Bacteria on Metal Uptake
and Plant Growth 296
15.6 Summary 298
References 299
Index 305 |
| adam_txt |
Contents
List of Contributors XIII
1 Ecology, Genetic Diversity and Screening Strategies of Plant
Growth Promoting Rhizobacteria (PGPR) 1
Jorge Barriuso, Beatriz Ramos Solano, Josi A. Lucas, Agustin Probanza Lobo,
Ana Carcia-Villaraco, and F.J. Cutiärrez Martern
1.1 Introduction 1
1.1.1 Rhizosphere Microbial Ecology 1
1.1.2 Plant Growth Promoting Rhizobacteria (PGPR) 3
1.2 Rhizosphere Microbial Structure 4
1.2.1 Methods to Study the Microbial Structure in the Rhizosphere 4
1.2.2 Ecology and Biodiversity of PGPR Living in the Rhizosphere 5
1.2.2.1 Diazotrophic PGPR 6
1.2.2.2 Bacillus 6
1.2.2.3 Pseudomonas 6
1.2.2.4 Rhizobia 6
1.3 Microbial Activity and Functional Diversity in the Rhizosphere 7
1.3.1 Methods to Study Activity and Functional Diversity in
the Rhizosphere 7
1.3.2 Activity and Effect of PGPR in the Rhizosphere 8
1.4 Screening Strategies of PGPR 9
1.5 Conclusions 13
1.6 Prospects 13
References 13
2 Physicochemical Approaches to Studying Plant Growth Promoting
Rhizobacteria 19
Alexander A. Kamnev
2.1 Introduction 19
2.2 Application of Vibrational Spectroscopy to Studying Whole
Bacterial Cells 20
Plant-Bacteria Interactions. Strategies and Techniques to Promote Plant Growth
Edited by Iqbal Ahmad, John Pichtel, and Shamsul Hayat
Copyright © 2008 WILEY-VCH Verlag GmbH Co. KGaA, Weinheim
ISBN: 978-3-527-319O1-5
VI Contents
2.2.1 Methodological Background 20
2.2.2 Vibrational Spectroscopic Studies of A. brasilense Cells 20
2.2.2.1 Effects of Heavy Metal Stress on A. brasilense
Metabolism 20
2.2.2.2 Differences in Heavy Metal Induced Metabolic Responses
in Epiphytic and Endophytic A. brasilense Strains 21
2.3 Application of Nuclear 7-Resonance Spectroscopy to Studying
Whole Bacterial Cells 25
2.3.1 Methodological Background 25
2.3.2 Emission Mössbauer Spectroscopic Studies of Cobalt(II) Binding
and Transformations in A. brasilense Cells 26
2.4 Structural Studies of Glutamine Synthetase (GS)
from A. brasilense 29
2.4.1 General Characterization of the Enzyme 29
2.4.2 Circular Dichroism Spectroscopic Studies of the Enzyme
Secondary Structure 30
2.4.2.1 Methodology of Circular Dichroism (CD) Spectroscopic Analysis
of Protein Secondary Structure 30
2.4.2.2 The Effect of Divalent Cations on the Secondary Structure of GS
from A. brasilense 31
2.4.3 Emission Mössbauer Spectroscopic Analysis of the Structural
Organization of the Cation-Binding Sites in the Enzyme Active
Centers 32
2.4.3.1 Methodological Outlines and Prerequisites 32
2.4.3.2 Experimental Studies of A. brasilense GS 33
2.4.3.3 Conclusions and Outlook 35
2.5 General Conclusions and Future Directions of Research 36
References 37
3 Physiological and Molecular Mechanisms of Plant Growth Promoting
Rhizobacteria (PCPR) 41
Beatriz Ramos Solano, Jorge Barriuso Maicas,
and F.J. Cutiirrez Manero
3.1 Introduction 41
3.2 PGPR Grouped According to Action Mechanisms 41
3.2.1 PGPR Using Indirect Mechanisms 42
3.2.1.1 Free Nitrogen-Fixing PGPR 42
3.2.1.2 Siderophore-Producing PGPR 44
3.2.1.3 Phosphate-Solubilizing PGPR 45
3.2.2 PGPR Using Direct Mechanisms 45
3.2.2.1 PGPR that Modify Plant Growth Regulator Levels 46
3.2.2.2 PGPR that Induce Systemic Resistance 50
3.3 Conclusions 51
3.4 Future Prospects 51
References 52
Contents VII
4 A Review on the Taxonomy and Possible Screening Traits of Plant
Growth Promoting Rhizobacteria 55
M. Rodriguez-Diaz, B. Rodelas, C. Pozo, M.V. Martinez-Toledo,
and]. Conzdlez-Löpez
4.1 Introduction 55
4.2 Taxonomy of PGPR 56
4.3 Symbiotic Plant Growth Promoting Bacteria 63
4.3.1 LNB 63
4.3.1.1 Alphaproteobacteria 63
4.3.1.2 Betaproteobacteria 67
4.3.2 Bacteria Capable of Fixing Dinitrogen in Symbiosis with Plants
Other Than Legumes 67
4.3.2.1 Actinobacteria 68
4.3.2.2 Cyanobacteria 68
4.3.2.3 Gluconacetobacter 69
4.4 Asymbiotic Plant Growth Promoting Bacteria 69
4.4.1 Alphaproteobacteria: Genera Acetobacter, Swaminathania and
Azospirillum 69
4.4.1.1 Acetobacter and Swaminathania 69
4.4.1.2 Azospirillum 70
4.4.2 Gammaproteobacteria 70
4.4.2.1 Enterobacteria 70
4.4.2.2 Citrobacter 70
4.4.2.3 Enterobacter 70
4.4.2.4 Erwinia 71
4.4.2.5 The Klebsiella Complex 71
4.4.2.6 Kluyvera 71
4.4.2.7 Pantoea 72
4.4.2.8 Serratia 72
4.4.2.9 Pseudomonas 72
4.4.2.10 Azotobacter (Azomonas, Beijerinckia and Derxia) 72
4.4.3 Firmicutes. Genera Bacillus and Paenibacillus 73
4.4.3.1 Bacillus 73
4.4.3.2 Paenibacillus 73
4.5 Screening Methods of PGPR 74
4.5.1 Culture-Dependent Screening Methods 74
4.5.2 Culture-Independent Screening Methods 75
4.6 Conclusions and Remarks 75
References 76
5 Diversity and Potential of Nonsymbiotic Diazotrophic Bacteria
in Promoting Plant Growth 81
Farah Ahmad, Iqbal Ahmad, Farrukh Aqil, M.S. Khan, and S. Hayat
5.1 Introduction 81
5.2 Rhizosphere and Bacterial Diversity 82
VIM I Contents
5.2.1 Diazotrophic Bacteria 84
5.2.1.1 Symbiotic Diazotrophic Bacteria 85
5.2.1.2 Asymbiotic Diazotrophic Bacteria 86
5.3 Asymbiotic Nitrogen Fixation and Its Significance
to Plant Growth 89
5.4 Plant Growth Promoting Mechanisms of Diazotrophic PGPR 90
5.5 Interaction of Diazotrophic PGPR with Other Microorganisms 93
5.5.1 Interaction of Diazotrophic PGPR with Rhizobia 93
5.5.2 Interaction of Diazotrophic PGPR with Arbuscular Mycorrhizae 96
5.6 Other Dimensions of Plant Growth Promoting Activities 97
5.6.1 ACC Deaminase Activity 97
5.6.2 Induced Systemic Resistance (ISR) 98
5.6.3 Improved Stress Tolerance 98
5.6.4 Quorum Sensing 99
5.7 Critical Gaps in PGPR Research and Future Directions 100
References 102
6 Molecular Mechanisms Underpinning Colonization of a Plant
by Plant Growth Promoting Rhizobacteria 111
Christina D. Moon, Stephen R. Giddens, Xue-Xian Zhang,
and Robert W. Jackson
6.1 Introduction 111
6.2 Identification of Plant-Induced Genes of SBW25 Using IVET 113
6.3 Regulatory Networks Controlling Plant-Induced Genes 119
6.4 Spatial and Temporal Patterns of Plant-Induced
Gene Expression 123
6.5 Concluding Remarks and Future Perspectives 126
References 126
7 Quorum Sensing in Bacteria: Potential in Plant Health Protection 129
Iqbal Ahmad, Farrukh Aqil, Farah Ahmad, Maryam Zahin,
andjaved Musarrat
7.1 Introduction 129
7.2 Acyl-HSL-Based Regulatory System: The Lux System 130
7.3 QS and Bacterial Traits Underregulation 132
7.4 QS in Certain Phytopathogenic Bacteria 137
7A.I E. carotovora 137
7.4.2 R. solanacearum 138
7.4.3 Xanthomonas campestris 138
7.4.4 Other Bacteria 139
7.5 Quorum-Sensing Signal Molecules in Gram-Negative Bacteria 139
7.5.1 Bioassays for the Detection of Signal Molecules 141
7.5.2 Chemical Characterization of Signal Molecules 142
7.6 Interfering Quorum Sensing: A Novel Mechanism for Plant
Health Protection 144
Contents \ IX
7.7 Conclusion 147
References 148
8 Pseudomonas aurantiaca SRI: Plant Growth Promoting Traits,
Secondary Metabolites and Crop Inoculation Response 255
Marisa Rovera, Evelin Carlier, Carolina Pasluosta, German Avanzini,
Javier Andres, and Susana Rosas
8.1 Plant Growth Promoting Rhizobacteria: General Considerations 155
8.2 Secondary Metabolites Produced by Pseudomonas 156
8.3 Coinoculation Greenhouse Assays in Alfalfa (Medicago sativa L.) 157
8.4 Field Experiments with P. aurantiaca SRI in Wheat (Triticum
aestivum L) 158
8.5 Conclusions 161
References 161
9 Rice-Rhizobia Association: Evolution of an Alternate Niche of Beneficial
Plant-Bacteria Association 165
Ravi P. N. Mishra, Ramesh K. Singh, Hemant K. Jaiswal, Manoj K. Singh,
YoussefC. Yanni, and Frank B. Dazzo
9.1 Introduction 165
9.2 Landmark Discovery of the Natural Rhizobia-Rice Association 166
9.3 Confirmation of Natural Endophytic Association of Rhizobia
with Rice 168
9.4 Association of Rhizobia with Other Cereals like Wheat, Sorghum,
Maize and Canola 170
9.5 Mechanism of Interaction of Rhizobia with Rice Plants 171
9.5.1 Mode of Entry and Site of Endophytic Colonization in Rice 171
9.5.2 Systemic Movement of Rhizobial Endophytes from Rice Root
to Leaf Tip 176
9.5.3 Genetic Predisposition of Rice-Rhizobia Association 176
9.6 Importance of Endophytic Rhizobia-Rice Association in
Agroecosystems 177
9.6.1 Plant Growth Promotion by Rhizobium Endophytes 177
9.6.2 Extensions of Rhizobial Endophyte Effects 180
9.6.2.1 Use of Rhizobial Endophytes from Rice with Certain Maize
Genotypes 180
9.6.2.2 Rhizobia-Rice Associations in Different Rice Varieties 180
9.7 Mechanisms of Plant Growth Promotion by Endophytic Rhizobia 182
9.7.1 Stimulation of Root Growth and Nutrient Uptake Efficiency 182
9.7.2 Secretion of Plant Growth Regulators 185
9.7.3 Solubilization of Precipitated Phosphate Complexes by Rhizobial
Endophytes 185
9.7.4 Endophytic Nitrogen Fixation 186
9.7.5 Production of Fe-Chelating Siderophores 187
9.7.6 Induction of Systemic Disease Resistance 188
X I Contents
9.8 Summary and Conclusion 188
References 190
10 Principles, Applications and Future Aspects of Cold-Adapted
PCPR 195
Mahejibin Khan and Reeta Coel
10.1 Introduction 195
10.2 Cold Adaptation of PGPR Strains 196
10.2.1 Cytoplasmic Membrane Adaptation 197
10.2.2 Carbon Metabolism and Electron Flow 198
10.2.3 Expression of Antifreeze Proteins 199
10.3 Mechanism of Plant Growth Promotion at Low Temperature 201
10.3.1 Phytostimulation 201
10.3.2 Frost Injury Protection 202
10.4 Challenges in Selection and Characterization of PGPR 202
10.5 Challenges in Field Application of PGPRs 202
10.6 Applications of PGPRs 203
10.6.1 Applications of PGPR in Agriculture 203
10.6.2 Application of PGPR in Forestry 204
10.6.3 Environmental Remediation and Heavy Metal Detoxification 207
10.7 Prospects 208
References 209
11 Rhamnolipid-Producing PCPR and Their Role in Damping-Off
Disease Suppression 213
Alok Sharma
11.1 Introduction 213
11.2 Biocontrol 214
11.2.1 Antibiotic-Mediated Suppression 214
11.2.2 HCN Production 216
11.2.3 Induced Systemic Resistance 216
11.3 Damping-Off 217
11.3.1 Causal Organisms 217
11.3.2 Control 218
11.4 Rhamnolipids 229
11.4.1 Biosynthesis of Rhamnolipids 222
11.4.2 Genetics of Rhamnolipid Synthesis 222
11.4.3 Regulation 223
11.4.4 Rhamnolipid-Mediated Biocontrol 224
11.4.5 Other Agricultural Applications 226
11.5 Quorum Sensing in the Rhizosphere 226
11.5.1 The Dominant System (las) 226
11.5.2 The rhl System 226
11.6 Conclusions and Future Directions 228
References 228
Contents XI
12 Practical Applications of Rhizospheric Bacteria in Biodegradation
of Polymers from Plastic Wastes 235
Ravindra Soni, Sarita Kumari, Mohd G.H. Zaidi, Yogesh S. Shouche,
and Reeta Coel
12.1 Introduction 235
12.2 Materials and Methods 236
12.2.1 Chemicals and Media 236
12.2.2 LDPE-g-PMMA 236
12.2.3 LDPE-g-PMH 236
12.2.4 Isolation of Bacteria 236
12.2.5 Screening of Bacterial Isolates to Grow in the Presence
of Polymer 237
12.2.6 Optimization of Growth Conditions 237
12.2.7 Biodegradarion Studies 237
12.3 Results and Discussion 237
12.3.1 Growth in the Presence of Polymer 238
12.3.2 Biodegradarion Studies 238
12.3.2.1 B. cereus 238
12.3.2.2 Bacillus sp. 238
12.3.2.3 B. pumilus 239
12.3.2.4 Bacterial Consortium and LDPE 240
12.3.2.5 FTIR Spectroscopy 241
12.4 Conclusions 242
References 243
13 Microbial Dynamics in the Mycorrhizosphere with Special Reference
to Arbuscular Mycorrhizae 245
Abdul G. Khan
13.1 The Soil and the Rhizosphere 245
13.2 Rhizosphere and Microorganisms 245
13.2.1 Glomalian Fungi 245
13.2.2 Arbuscular Mycorrhiza-Rhizobacteria Interactions 247
13.2.3 Plant Growth Promoting Rhizobacteria 249
13.2.4 Co-occurrence of AMF and PGPR/MHB 250
13.3 Conclusion 252
References 252
14 Salt-Tolerant Rhizobacteria: Plant Growth Promoting Traits
and Physiological Characterization Within Ecologically Stressed
Environments 257
Dilfuza Egamberdiyeva and Khandakar R. Islam
14.1 Introduction 257
14.2 Diversity of Salt-Tolerant Rhizobacteria 259
14.3 Colonization and Survival of Salt-Tolerant Rhizobacteria 261
14.4 Salt and Temperature Tolerance 263
XII Contents
14.5 Physiological Characterization of Rhizobacteria 264
14.6 Plant Growth Stimulation in Arid Soils 268
14.7 Biomechanisms to Enhance Plant Growth 273
14.8 Conclusions 275
14.9 Future Directions 276
References 276
15 The Use of Rhizospheric Bacteria to Enhance Metal Ion Uptake
by Water Hyacinth, Eichhornia crassipe (Mart) 283
Lai M. So, Alex T. Chow, Kin H. Wong, and Po K. Wong
15.1 Introduction 283
15.2 Overview of Metal Ion PoEution 284
15.3 Treatment of Metal Ions in Wastewater 285
15.3.1 Conventional Methods 285
15.3.2 Microbial Methods 285
15.3.3 Phytoremediation 286
15.3.3.1 An Overview of Phytoremediation 286
15.3.3.2 Using Water Hyacinth for Wastewater Treatment 287
15.4 Biology of Water Hyacinth 290
15.4.1 Scientific Classification 290
15.4.2 Morphology 291
15.4.3 Ecology 292
15.4.4 Environmental Impact 293
15.4.5 Management of Water Hyacinth 293
15.5 Microbial Enhancement of Metal Ion Removal Capacity
of Water Hyacinth 294
15.5.1 Biology of the Rhizosphere 294
15.5.2 Mechanisms of Metal Ion Removal by Plant Roots 295
15.5.3 Effects of Rhizospheric Bacteria on Metal Uptake
and Plant Growth 296
15.6 Summary 298
References 299
Index 305 |
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| index_date | 2024-07-02T22:12:41Z |
| indexdate | 2024-07-20T09:52:19Z |
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| language | English |
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| spelling | Plant-bacteria interactions strategies and techniques to promote plant growth ed. by Iqbal Ahmad ... Plant bacteria interactions Weinheim Wiley-VCH 2008 XVII, 310 S. Ill., graph. Darst. 25 cm txt rdacontent n rdamedia nc rdacarrier Literaturangaben Croissance (Plantes) Plantes - Biotechnologie Plantes - Substances de croissance Growth (Plants) Plant biotechnology Plant growth promoting substances Bodenbakterien (DE-588)4146126-5 gnd rswk-swf Pflanzenzüchtung (DE-588)4045599-3 gnd rswk-swf Pflanzenzüchtung (DE-588)4045599-3 s Bodenbakterien (DE-588)4146126-5 s DE-604 Ahmad, Iqbal Sonstige oth text/html http://deposit.dnb.de/cgi-bin/dokserv?id=2995123&prov=M&dok_var=1&dok_ext=htm Inhaltstext HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=016765022&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Plant-bacteria interactions strategies and techniques to promote plant growth Croissance (Plantes) Plantes - Biotechnologie Plantes - Substances de croissance Growth (Plants) Plant biotechnology Plant growth promoting substances Bodenbakterien (DE-588)4146126-5 gnd Pflanzenzüchtung (DE-588)4045599-3 gnd |
| subject_GND | (DE-588)4146126-5 (DE-588)4045599-3 |
| title | Plant-bacteria interactions strategies and techniques to promote plant growth |
| title_alt | Plant bacteria interactions |
| title_auth | Plant-bacteria interactions strategies and techniques to promote plant growth |
| title_exact_search | Plant-bacteria interactions strategies and techniques to promote plant growth |
| title_exact_search_txtP | Plant-bacteria interactions strategies and techniques to promote plant growth |
| title_full | Plant-bacteria interactions strategies and techniques to promote plant growth ed. by Iqbal Ahmad ... |
| title_fullStr | Plant-bacteria interactions strategies and techniques to promote plant growth ed. by Iqbal Ahmad ... |
| title_full_unstemmed | Plant-bacteria interactions strategies and techniques to promote plant growth ed. by Iqbal Ahmad ... |
| title_short | Plant-bacteria interactions |
| title_sort | plant bacteria interactions strategies and techniques to promote plant growth |
| title_sub | strategies and techniques to promote plant growth |
| topic | Croissance (Plantes) Plantes - Biotechnologie Plantes - Substances de croissance Growth (Plants) Plant biotechnology Plant growth promoting substances Bodenbakterien (DE-588)4146126-5 gnd Pflanzenzüchtung (DE-588)4045599-3 gnd |
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