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PROGRAMMED CELL DEATH IN PLANT-PATHOGEN INTERACTIONS.

Jean T. Greenberg1

  • 1Department of Molecular, Cellular and Developmental Biology, University of Colorado at Boulder, Campus Box 347, Boulder, Colorado 80309.

Annual Review of Plant Physiology and Plant Molecular Biology
|June 1, 1997
PubMed
Summary

Plants defend against pathogens using preformed and inducible defenses. This review explores the crucial role of programmed plant cell death in limiting pathogen growth during these interactions.

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Annual review of plant physiology and plant molecular biology·2004

Area of Science:

  • Plant pathology
  • Molecular biology
  • Plant immunity

Background:

  • Plants possess preformed and inducible defense mechanisms against pathogens.
  • Inducible defenses are crucial for limiting pathogen growth, with ongoing research to identify specific responses.
  • Plant-pathogen interactions frequently involve plant cell death, often a programmed, active host response.

Purpose of the Study:

  • To review the roles of plant cell death in response to pathogens.
  • To discuss the potential mechanisms underlying programmed cell death in plants during pathogen attack.

Main Methods:

  • Literature review of plant-pathogen interactions.
  • Analysis of evidence for programmed cell death in plants.
  • Synthesis of current understanding of plant defense mechanisms.

Main Results:

  • Plant cell death is a common feature of plant-pathogen interactions.
  • Evidence suggests plant cell death is often a programmed, active defense mechanism.
  • Specific induced responses are being identified as key to limiting pathogen growth.

Conclusions:

  • Programmed cell death is a significant component of plant immunity.
  • Understanding plant cell death mechanisms is vital for developing disease resistance strategies.
  • Further research is needed to fully elucidate the molecular pathways involved.

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