Contrasting mechanisms of defense against biotrophic and necrotrophic pathogens

Jane Glazebrook

Research output: Contribution to journalReview articlepeer-review

2412 Scopus citations


It has been suggested that effective defense against biotrophic pathogens is largely due to programmed cell death in the host, and to associated activation of defense responses regulated by the salicylic acid-dependent pathway. In contrast, necrotrophic pathogens benefit from host cell death, so they are not limited by cell death and salicylic acid-dependent defenses, but rather by a different set of defense responses activated by jasmonic acid and ethylene signaling. This review summarizes results from Arabidopsis-pathogen systems regarding the contributions of various defense responses to resistance to several biotrophic and necrotrophic pathogens. While the model above seems generally correct, there are exceptions and additional complexities.

Original languageEnglish (US)
Pages (from-to)205-227
Number of pages23
JournalAnnual Review of Phytopathology
StatePublished - 2005


  • Alternaria
  • Botrytis
  • Erysiphe
  • Peronospora
  • Pseudomonas


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