20. Legumes and Nitrogen Fixation: Physiological, Molecular, Evolutionary Perspectives, and Applications

  1. Malcolm J. Hawkesford and
  2. Peter Barraclough
  1. Muthusubramanian Venkateshwaran and
  2. Jean-Michel Ané

Published Online: 13 JUL 2011

DOI: 10.1002/9780470960707.ch20

The Molecular and Physiological Basis of Nutrient Use Efficiency in Crops

The Molecular and Physiological Basis of Nutrient Use Efficiency in Crops

How to Cite

Venkateshwaran, M. and Ané, J.-M. (2011) Legumes and Nitrogen Fixation: Physiological, Molecular, Evolutionary Perspectives, and Applications, in The Molecular and Physiological Basis of Nutrient Use Efficiency in Crops (eds M. J. Hawkesford and P. Barraclough), Wiley-Blackwell, Oxford, UK. doi: 10.1002/9780470960707.ch20

Editor Information

  1. Rothamsted Research, Harpenden, Hertfordshire, UK

Author Information

  1. Department of Agronomy, University of Wisconsin Madison, Madison, WI, USA

Publication History

  1. Published Online: 13 JUL 2011
  2. Published Print: 19 AUG 2011

ISBN Information

Print ISBN: 9780813819921

Online ISBN: 9780470960707

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Keywords:

  • legumes and nitrogen fixation - evolutionary perspectives and applications;
  • nonsustainable practices, and soil quality deterioration - and nitrogen fertilizers;
  • soil fertility, major limiting factor - for crop production, in countries;
  • biological nitrogen fixation, and nitrogenase biology - BNF, reduction of inert atmospheric nitrogen into ammonia;
  • nodule organogenesis, and Nod factors - rhizobial infection and invasion;
  • lectin ecto-apyrases (LNPs), proteins - binding to Nod factors, high affinity;
  • auxins and cytokinins, and auxin transport - auxin/cytokinin ratio, nodule formation;
  • jasmonic acid (JA), or methyl jasmonate - negative regulator of nodulation, affecting signaling;
  • rhizobia bioinoculants - and Nod factor application;
  • genetic and genomic approaches, deciphering - symbiotic signaling mechanisms

Summary

This chapter contains sections titled:

  • Abstract

  • Introduction

  • Biological nitrogen fixation and nitrogenase biology

  • Nodule development and physiology

  • Molecular mechanism of rhizobia infection and nodule organogenesis

  • Hormonal regulation of nodulation

  • Evolutionary perspectives

  • Applied agricultural implications

  • Perspectives

  • Acknowledgments

  • References