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Programmed cell death, mitochondria and the plant hypersensitive response

Author

Listed:
  • Eric Lam

    (Biotechnology Center for Agriculture and the Environment, Rutgers University)

  • Naohiro Kato

    (Biotechnology Center for Agriculture and the Environment, Rutgers University)

  • Michael Lawton

    (Biotechnology Center for Agriculture and the Environment, Rutgers University)

Abstract

The plant response to attempted infection by microbial pathogens is often accompanied by rapid cell death in and around the initial infection site, a reaction known as the hypersensitive response. This response is associated with restricted pathogen growth and represents a form of programmed cell death (PCD). Recent pharmacological and molecular studies have provided functional evidence for the conservation of some of the basic regulatory mechanisms underlying the response to pathogens and the activation of PCD in animal and plant systems. In animals, the mitochondrion integrates diverse cellular stress signals and initiates the death execution pathway, and studies indicate a similar involvement for mitochondria in regulating PCD in plants. But many of the cell-death regulators that have been characterized in humans, worms and flies are absent from the Arabidopsis genome, indicating that plants probably use other regulators to control this process.

Suggested Citation

  • Eric Lam & Naohiro Kato & Michael Lawton, 2001. "Programmed cell death, mitochondria and the plant hypersensitive response," Nature, Nature, vol. 411(6839), pages 848-853, June.
  • Handle: RePEc:nat:nature:v:411:y:2001:i:6839:d:10.1038_35081184
    DOI: 10.1038/35081184
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    Cited by:

    1. Shiyu Zuo & Jing Li & Wanrong Gu & Shi Wei, 2022. "Exogenous Proline Alleviated Low Temperature Stress in Maize Embryos by Optimizing Seed Germination, Inner Proline Metabolism, Respiratory Metabolism and a Hormone Regulation Mechanism," Agriculture, MDPI, vol. 12(4), pages 1-32, April.
    2. Sudarsono Sudarsono & Juanita Elina & Giyanto & Dewi Sukma, 2018. "Pathogen causing Phalaenopsis soft rot disease - 16S rDNA and virulence characterisation," Plant Protection Science, Czech Academy of Agricultural Sciences, vol. 54(1), pages 1-8.
    3. Viola Kunos & Mónika Cséplő & Diána Seress & Adnan Eser & Zoltán Kende & Andrea Uhrin & Judit Bányai & József Bakonyi & Magda Pál & Klára Mészáros, 2022. "The Stimulation of Superoxide Dismutase Enzyme Activity and Its Relation with the Pyrenophora teres f. teres Infection in Different Barley Genotypes," Sustainability, MDPI, vol. 14(5), pages 1-15, February.

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