Adaptation to environmental changes is crucial for plant growth and survival. However, the molecular and biochemical mechanisms of adaptation are still poorly understood and the signaling pathways involved remain elusive. Active oxygen species (AOS) have been proposed as a central component of plant adaptation to both biotic and abiotic stresses. Under such conditions, AOS may play two very different roles: exacerbating damage or signaling the activation of defense responses. Such a dual function was first described in pathogenesis but has also recently been demonstrated during several abiotic stress responses. To allow for these different roles, cellular levels of AOS must be tightly controlled. The numerous AOS sources and a complex system of oxidant scavengers provide the flexibility necessary for these functions. This review discusses the dual action of AOS during plant stress responses.
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Similar content being viewed by others Explore related subjectsDiscover the latest articles and news from researchers in related subjects, suggested using machine learning. Author information Authors and AffiliationsVakgroep Moleculaire Genetica and Departement Plantengenetica, Vlaams Interuniversitair Instituut voor Biotechnologie (VIB), Universiteit Gent, K.L. Ledeganckstraat 35, B-9000 Gent (Belgium), Fax +32 9 264 5349, e-mail: diinz@gengenp.rug.ac.be, , , , , , BE
J. Dat, S. Vandenabeele, E. Vranová, M. Van Montagu, D. Inzé* & F. Van Breusegem
Received 12 November 1999; accepted 15 January 2000
About this article Cite this articleDat, J., Vandenabeele, S., Vranová, E. et al. Dual action of the active oxygen species during plant stress responses . CMLS, Cell. Mol. Life Sci. 57, 779–795 (2000). https://doi.org/10.1007/s000180050041
Issue Date: May 2000
DOI: https://doi.org/10.1007/s000180050041
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