Symbiotic Nitrogen Fixation

Unit Outline

Text: Graham, P.H. (1998) Symbiotic nitrogen fixation. In: Principles and applications of soil microbiology. D. Sylvia et al. (Eds.) pp 325-347. Prentice Hall.

• Introduction
• The symbiosis between legumes and rhizobia
  • History of the legume/Rhizobium symbiosis
  • Groupings of rhizobia and their separation into species
  • The infection process
    • Nodule initiation and development
    • Nodule development and function
  • Specificity in symbiosis
  • Environmental factors affecting nodulation and nitrogen fixation
• Other N₂ fixing symbioses
• Summary
• Questions
• Literature
• Glossary
• Links