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Updated: Jun 3, 2026

Assay for Pathogen-Associated Molecular Pattern (PAMP)-Triggered Immunity (PTI) in Plants
08:45

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Published on: September 9, 2009

Programmed cell death in the plant immune system.

N S Coll1, P Epple, J L Dangl

  • 1Department of Biology, University of North Carolina, Chapel Hill, NC 27599, USA.

Cell Death and Differentiation
|April 9, 2011
PubMed
Summary
This summary is machine-generated.

Programmed cell death is crucial for innate immunity in plants and animals, with similar pathways like the hypersensitive response (HR) and inflammatory cell death. Caspase networks reveal conserved cell death regulation across kingdoms.

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Area of Science:

  • Immunology
  • Cell Biology
  • Plant Science

Background:

  • Cell death plays a vital role in innate immune responses in both plants and animals.
  • Plants and animals share similarities in their innate immune system organization and can trigger programmed cell death upon infection.
  • Pathogens have evolved mechanisms to interfere with cell death processes, highlighting its importance in immunity.

Purpose of the Study:

  • To review the molecular pathways governing cell death during innate immune responses.
  • To explore the analogies in cell death regulation between plants and animals.
  • To highlight the role of recently discovered caspase and caspase-like networks.

Main Methods:

  • Literature review of molecular pathways in plant and animal innate immunity.
  • Comparative analysis of programmed cell death mechanisms.
  • Discussion of caspase and caspase-like networks.

Main Results:

  • The hypersensitive response (HR) in plants shares features with animal inflammatory cell death (pyroptosis, necroptosis).
  • Conserved molecular architectures and mechanisms regulate cell death in both kingdoms.
  • Caspase and caspase-like networks demonstrate conserved cell death control.

Conclusions:

  • Programmed cell death is a fundamental component of innate immunity conserved across plant and animal kingdoms.
  • Understanding these conserved pathways, particularly caspase networks, offers insights into immune responses and potential therapeutic targets.