2018
DOI: 10.1007/s11099-018-0830-8
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Hydrogen peroxide in regulation of plant metabolism: Signalling and its effect under abiotic stress

Abstract: In plants, hydrogen peroxide (H 2 O 2) acts as a signalling molecule that facilitates various biochemical and physiological processes. H 2 O 2 is a versatile molecule, involved in several cellular processes both under stress and stress-free conditions. In regulating plant metabolism under stress conditions, exogenous application of H 2 O 2 also plays a pivotal role which is manifested in improved growth, photosynthetic capacity, and antioxidant protection. Abiotic stress is an inevitable environmental factor t… Show more

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Cited by 57 publications
(28 citation statements)
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References 152 publications
(131 reference statements)
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“…Hydrogen peroxide is safe and can be easily detoxified by an antioxidative enzyme system; catalase, peroxidase, ascorbate peroxidases. It is well reported that H 2 O 2 plays a signaling role in plants under stress and pathogen defense [36][37][38] -especially against virus infection, as reported by Mejía-Teniente and Durán-Flores et al [18]. In this work, treatment with H 2 O 2 improves the growth of watermelon plants and protects against CGMMV infection.…”
Section: Discussionsupporting
confidence: 64%
See 1 more Smart Citation
“…Hydrogen peroxide is safe and can be easily detoxified by an antioxidative enzyme system; catalase, peroxidase, ascorbate peroxidases. It is well reported that H 2 O 2 plays a signaling role in plants under stress and pathogen defense [36][37][38] -especially against virus infection, as reported by Mejía-Teniente and Durán-Flores et al [18]. In this work, treatment with H 2 O 2 improves the growth of watermelon plants and protects against CGMMV infection.…”
Section: Discussionsupporting
confidence: 64%
“…Treatment with H 2 O 2 ±infection was able to increase amounts of chl a, chl b and carotenoids of leaves significantly. The increase was concomitant with the concentration of H 2 O 2 [36], treatments with which increased PSII photochemical efficiency. Moreover, H 2 O 2 treatments increased the activity of Rubisco.…”
Section: Discussionmentioning
confidence: 90%
“…H 2 O 2 is relatively stable in vivo compared to other ROS molecules [44]. It is established that H 2 O 2 acts as a signaling molecules with tremendous impact on plant growth and development [24]. Production of ROS is a hallmark of successful recognition of infection and activation of plant defenses.…”
Section: Discussionmentioning
confidence: 99%
“…In a stress situation, e.g., in pathogen attack, plants develop several different defense strategies mediated by ROS [23,24]. ROS play two roles during plant-pathogen interactions.…”
Section: Introductionmentioning
confidence: 99%
“…It has been considered as an important signalling molecule that mediates various physiological and biochemical processes in plants. The role of H 2 O 2 in plant biochemistry and physiology has been widely described in literature (Apel and Hirt, 2004;Hung et al, 2005;Slesak et al, 2007;Khan et al, 2018). Recent studies have demonstrated that H 2 O 2 is a key signalling molecule in several biochemical pathways associated with abiotic stress response.…”
Section: Introductionmentioning
confidence: 99%