2013
DOI: 10.4161/psb.25761
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Oxidative stress tolerance in plants

Abstract: Biotic and abiotic stress conditions produce reactive oxygen species (ROS) in plants causing oxidative stress damage. At the same time, ROS have additional signaling roles in plant adaptation to the stress. It is not known how the two seemingly contrasting functional roles of ROS between oxidative damage to the cell and signaling for stress protection are balanced. Research suggests that the plant growth regulator auxin may be the connecting link regulating the level of ROS and directing its role in oxidative … Show more

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Cited by 98 publications
(17 citation statements)
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“…1−3) IAA also participates in the stress responses in plants. 4) The action of IAA on plant cells has long been one of core interests among plant biologists and recent advances opened the ways to outline the molecular mechanisms underlying the processes, especially the cell-to-cell interactions involving Auxin Binding Protein 1 (ABP1); PIN1, an exporter of IAA; and two antagonistic GTPases, ROP2 and ROP6, 3) and also intracellular signaling events through the SCF TIR1 -Aux/ IAA-ARF pathway, 5) which might be the best-studied examples of plant hormone signaling paths.…”
mentioning
confidence: 99%
“…1−3) IAA also participates in the stress responses in plants. 4) The action of IAA on plant cells has long been one of core interests among plant biologists and recent advances opened the ways to outline the molecular mechanisms underlying the processes, especially the cell-to-cell interactions involving Auxin Binding Protein 1 (ABP1); PIN1, an exporter of IAA; and two antagonistic GTPases, ROP2 and ROP6, 3) and also intracellular signaling events through the SCF TIR1 -Aux/ IAA-ARF pathway, 5) which might be the best-studied examples of plant hormone signaling paths.…”
mentioning
confidence: 99%
“…Reactive oxygen species such as H 2 O 2 , O 2 · -or ·OH play important roles in signaling pathways (e.g. azzam et al 2012;tOgnetti et al 2012;kriSHnamurtHy & ratHinaSaBaPatHi 2013). At low levels, ROS can act as secondary messengers that transfer stress signals and facilitate responses to various environmental conditions or stress.…”
Section: Discussionmentioning
confidence: 99%
“…Ionizing radiation influences metabolism, ultrastructure, and the biology of organisms both directly and indirectly (kOvácS & kereSzteS 2002). The energy of ionizing radiation determines the extent of its impact on biological systems, leading to minor variations, severe damage or even to a cell death.…”
Section: Introductionmentioning
confidence: 99%
“…but was rich in K-bearing minerals. Previous research showed that H 2 O 2 accumulation in specific tissues, and in appropriate quantities, was of benefit to plants and can mediate cross-tolerance toward stresses [4,17]. H 2 O 2 is widely recognised as a key signalling molecule in all eukaryotes [7].…”
Section: Discussionmentioning
confidence: 99%