Networking by small-molecule hormones in plant immunity

Corné M.J. Pieterse, Antonio Leon-Reyes, Sjoerd Van Der Ent, Saskia C.M. Van Wees

Research output: Contribution to journalReview articlepeer-review

1689 Scopus citations

Abstract

Plants live in complex environments in which they intimately interact with a broad range of microbial pathogens with different lifestyles and infection strategies. The evolutionary arms race between plants and their attackers provided plants with a highly sophisticated defense system that, like the animal innate immune system, recognizes pathogen molecules and responds by activating specific defenses that are directed against the invader. Recent advances in plant immunity research have provided exciting new insights into the underlying defense signaling network. Diverse small-molecule hormones play pivotal roles in the regulation of this network. Their signaling pathways cross-communicate in an antagonistic or synergistic manner, providing the plant with a powerful capacity to finely regulate its immune response. Pathogens, on the other hand, can manipulate the plant's defense signaling network for their own benefit by affecting phytohormone homeostasis to antagonize the host immune response.

Original languageEnglish
Pages (from-to)308-316
Number of pages9
JournalNature Chemical Biology
Volume5
Issue number5
DOIs
StatePublished - May 2009
Externally publishedYes

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