Contents

12.1 Introduction 211

12.2 AM Symbiosis 212

12.3 Importance of Arbuscular Mycorrhiza in Soils 212

12.3.1 AMF in Contaminated Soils 213

12.3.1.1 Effect of PTEs on the Population of AMF 213

12.3.1.2 Effect of AMF on Plant Uptake and Translocation of PTEs 215

12.4 Mechanisms in AMF to Tolerate PTEs 216

12.4.1 Binding to Cell Wall 217

12.4.2 Extracellular Chelation 217

12.4.3 Chelation at Cytoplasm and Vacuole Level 218

12.4.4 Other Possible Mechanisms in AMF 219

12.5 Contribution of AMF in Plant Tolerance to PTEs 220

12.5.1 Importance of the External Mycelium of AMF in Plant Tolerance to PTEs 221

12.6 Constitutive and Adaptive Metal Tolerance in AMF 221

12.7 Use of AMF in Phytoremediation Practices 225

12.8 Future Work 228

12.9 Conclusions 228

Acknowledgment 229

References 229

Was this article helpful?

0 0

Post a comment