Reactive Carbonyl Species Function as Signal Mediators Downstream of H2O2 Production and Regulate [Ca2+]cyt Elevation in ABA Signal Pathway in Arabidopsis Guard Cells

Islam, Md. Moshiul; Ye, Wenxiu; Matsushima, Daiki; Rhaman, Mohammad Saidur; Munemasa, Shintaro; Okuma, Eiji; Nakamura, Yoshimasa; Biswas, Md. Sanaullah; Mano, Junichi; Murata, Yoshiyuki

doi:10.1093/pcp/pcz031

Cited by 48 publications

(25 citation statements)

References 49 publications

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“…It has been demonstrated that RCS-induced ROS generation leads to ABA signaling suggesting ABA-induced ROS (H 2 O 2 ) production in the guard cell, which increases RCS levels and modulates the signal for stomatal closure [257]. Among RCS, acrolein and 4-Hydroxy-2(E)-nonenal (HNE) formation is stimulated by ROS very early, but other RCS like crotonaldehyde, (E)-2-pentenal, and (E)-2-hexenal are also induced by ROS signals [258]. Furthermore, auxin signaling can induce ROS and RCS formation leading to lateral root initiation [228].…”

Section: Interaction Between Rcs and Rosmentioning

confidence: 99%

Reactive Oxygen Species and Antioxidant Defense in Plants under Abiotic Stress: Revisiting the Crucial Role of a Universal Defense Regulator

et al. 2020

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Global climate change and associated adverse abiotic stress conditions, such as drought, salinity, heavy metals, waterlogging, extreme temperatures, oxygen deprivation, etc., greatly influence plant growth and development, ultimately affecting crop yield and quality, as well as agricultural sustainability in general. Plant cells produce oxygen radicals and their derivatives, so-called reactive oxygen species (ROS), during various processes associated with abiotic stress. Moreover, the generation of ROS is a fundamental process in higher plants and employs to transmit cellular signaling information in response to the changing environmental conditions. One of the most crucial consequences of abiotic stress is the disturbance of the equilibrium between the generation of ROS and antioxidant defense systems triggering the excessive accumulation of ROS and inducing oxidative stress in plants. Notably, the equilibrium between the detoxification and generation of ROS is maintained by both enzymatic and nonenzymatic antioxidant defense systems under harsh environmental stresses. Although this field of research has attracted massive interest, it largely remains unexplored, and our understanding of ROS signaling remains poorly understood. In this review, we have documented the recent advancement illustrating the harmful effects of ROS, antioxidant defense system involved in ROS detoxification under different abiotic stresses, and molecular cross-talk with other important signal molecules such as reactive nitrogen, sulfur, and carbonyl species. In addition, state-of-the-art molecular approaches of ROS-mediated improvement in plant antioxidant defense during the acclimation process against abiotic stresses have also been discussed.

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Section: Interaction Between Rcs and Rosmentioning

confidence: 99%

Reactive Oxygen Species and Antioxidant Defense in Plants under Abiotic Stress: Revisiting the Crucial Role of a Universal Defense Regulator

et al. 2020

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“…These results altogether indicate that ABA stimulates the formation of H 2 O 2 in the guard cells, and thereby increased RCS mediate the signal for closing stomata. The signaling action of RCS was dependent on the activation of the plasma membrane Ca 2+ -permeable cation channels, indicating the RCS react with a component(s) upstream of the channel activation [92].…”

Section: Evidence For Physiological Functions Of Endogenously Prodmentioning

confidence: 99%

Reactive Carbonyl Species: A Missing Link in ROS Signaling

Mano

Biswas

Sugimoto

2019

Plants

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As reactive oxygen species (ROS) play critical roles in plants to determine cell fate in various physiological situations, there is keen interest in the biochemical processes of ROS signal transmission. Reactive carbonyl species (RCS), the α,β-unsaturated aldehydes and ketones produced from lipid peroxides, due to their chemical property to covalently modify protein, can mediate ROS signals to proteins. Comprehensive carbonyl analysis in plants has revealed that more than a dozen different RCS, e.g., acrolein, 4-hydroxy-(E)-2-nonenal and malondialdehyde, are produced from various membranes, and some of them increase and modify proteins in response to oxidative stimuli. At early stages of response, specific subsets of proteins are selectively modified with RCS. The involvement of RCS in ROS signaling can be judged on three criteria: (1) A stimulus to increase the ROS level in plants leads to the enhancement of RCS levels. (2) Suppression of the increase of RCS by scavenging enzymes or chemicals diminishes the ROS-induced response. (3) Addition of RCS to plants evokes responses similar to those induced by ROS. On these criteria, the RCS action as damaging/signaling agents has been demonstrated for root injury, programmed cell death, senescence of siliques, stomata response to abscisic acid, and root response to auxin. RCS thus act as damage/signal mediators downstream of ROS in a variety of physiological situations. A current picture and perspectives of RCS research are presented in this article.

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“…Exogenously added RCS induced stomatal closure, and the overexpression of 2-alkenal reductase suppressed the increases in RCS and stomatal closure, both induced by ABA (Islam et al, 2016). Reactive carbonyl species act upstream of the activation of the plasma membrane's Ca 2+ -permeable cation channels (Islam et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Reactive oxygen species and reactive carbonyl species constitute a feed‐forward loop in auxin signaling for lateral root formation

et al. 2019

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Summary In auxin‐stimulated roots, production of reactive oxygen species (ROS) via the hormone‐induced activation of respiratory burst oxidase homologous NADPH oxidases facilitates lateral root (LR) formation. In this study, in order to verify that ROS can modulate auxin signaling, we examined the involvement of the lipid peroxide‐derived agents known as reactive carbonyl species (RCS) in LR formation. When auxin was added to Arabidopsis thaliana roots, the levels of RCS, for example acrolein, 4‐hydroxynonenal and crotonaldehyde, were increased prior to LR formation. Addition of the carbonyl scavenger carnosine suppressed auxin‐induced LR formation. Addition of RCS to the roots induced the expression of the auxin‐responsive DR5 promoter and the TIR1, IAA14, ARF7, LBD16 and PUCHI genes and facilitated LR formation without increasing the endogenous auxin level. DR5 and LBD16 were activated in the LR primordia. The auxin signaling‐deficient mutants arf7 arf19 and slr‐1 did not respond – and tir1 afb2 appeared to show a poor response – to RCS. When given to the roots RCS promoted the disappearance of the AXR3NT–GUS fusion protein, i.e. the degradation of the auxin/indole‐3‐acetic acid protein, as did auxin. These results indicate that the auxin‐induced production of ROS and their downstream products RCS modulate the auxin signaling pathway in a feed‐forward manner. RCS are key agents that connect the ROS signaling and the auxin signaling pathways.

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Reactive Carbonyl Species Function as Signal Mediators Downstream of H2O2 Production and Regulate [Ca2+]cyt Elevation in ABA Signal Pathway in Arabidopsis Guard Cells

Cited by 48 publications

References 49 publications

Reactive Oxygen Species and Antioxidant Defense in Plants under Abiotic Stress: Revisiting the Crucial Role of a Universal Defense Regulator

Reactive Oxygen Species and Antioxidant Defense in Plants under Abiotic Stress: Revisiting the Crucial Role of a Universal Defense Regulator

Reactive Carbonyl Species: A Missing Link in ROS Signaling

Reactive oxygen species and reactive carbonyl species constitute a feed‐forward loop in auxin signaling for lateral root formation

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