Reactive oxygen species as signals that modulate plant stress responses and programmed cell death

Tsanko S. Gechev, Frank Van Breusegem, Julie M. Stone, Iliya Denev, Christophe Laloi

Research output: Contribution to journalReview article

578 Citations (Scopus)

Abstract

Reactive oxygen species (ROS) are known as toxic metabolic products in plants and other aerobic organisms. An elaborate and highly redundant plant ROS network, composed of antioxidant enzymes, antioxidants and ROS-producing enzymes, is responsible for maintaining ROS levels under tight control. This allows ROS to serve as signaling molecules that coordinate an astonishing range of diverse plant processes. The specificity of the biological response to ROS depends on the chemical identity of ROS, intensity of the signal, sites of production, plant developmental stage, previous stresses encountered and interactions with other signaling molecules such as nitric oxide, lipid messengers and plant hormones. Although many components of the ROS signaling network have recently been identified, the challenge remains to understand how ROS-derived signals are integrated to eventually regulate such biological processes as plant growth, development, stress adaptation and programmed cell death.

Original languageEnglish (US)
Pages (from-to)1091-1101
Number of pages11
JournalBioEssays
Volume28
Issue number11
DOIs
StatePublished - Nov 1 2006

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plant stress
Cell death
reactive oxygen species
Reactive Oxygen Species
stress response
Cell Death
apoptosis
Antioxidants
Biological Phenomena
antioxidants
Molecules
Plant Growth Regulators
Plant Development
plant products
Poisons
Enzymes
enzymes
Growth and Development
plant hormones
nitric oxide

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Reactive oxygen species as signals that modulate plant stress responses and programmed cell death. / Gechev, Tsanko S.; Van Breusegem, Frank; Stone, Julie M.; Denev, Iliya; Laloi, Christophe.

In: BioEssays, Vol. 28, No. 11, 01.11.2006, p. 1091-1101.

Research output: Contribution to journalReview article

Gechev, Tsanko S. ; Van Breusegem, Frank ; Stone, Julie M. ; Denev, Iliya ; Laloi, Christophe. / Reactive oxygen species as signals that modulate plant stress responses and programmed cell death. In: BioEssays. 2006 ; Vol. 28, No. 11. pp. 1091-1101.
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