Antonie van Leeuwenhoek

, Volume 106, Issue 1, pp 85–125 | Cite as

Indole-3-acetic acid in plant–microbe interactions

  • Daiana Duca
  • Janet Lorv
  • Cheryl L. Patten
  • David Rose
  • Bernard R. Glick
Invited Review Antonie van Leeuwenhoek 80th Anniversary Issue


Indole-3-acetic acid (IAA) is an important phytohormone with the capacity to control plant development in both beneficial and deleterious ways. The ability to synthesize IAA is an attribute that many bacteria including both plant growth-promoters and phytopathogens possess. There are three main pathways through which IAA is synthesized; the indole-3-pyruvic acid, indole-3-acetamide and indole-3-acetonitrile pathways. This chapter reviews the factors that effect the production of this phytohormone, the role of IAA in bacterial physiology and in plant–microbe interactions including phytostimulation and phytopathogenesis.


Indole-3-acetic acid (IAA) Phytohormone Plant growth promoting bacteria IAA biosynthesis IAA regulation 


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Copyright information

© Springer Science+Business Media Dordrecht 2014

Authors and Affiliations

  • Daiana Duca
    • 1
  • Janet Lorv
    • 1
  • Cheryl L. Patten
    • 2
  • David Rose
    • 1
  • Bernard R. Glick
    • 1
  1. 1.Department of BiologyUniversity of WaterlooWaterlooCanada
  2. 2.Department of BiologyUniversity of New BrunswickFrederictonCanada

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