Modulation of Enhanced Antioxidant Activity by Hydrogen Sulfide Antagonization of Ethylene in Tomato Fruit Ripening

Yao, Gai-Fang; Wei, Zeng-Zheng; Li, Tingting; Tang, Jun; Huang, Zhong-Qin; Yang, Feng; Li, Yanhong; Han, Zhuo; Hu, Fan; Hu, Lan-Ying; Hu, Kang-Di; Zhang, Hua

doi:10.1021/acs.jafc.8b03951

Cited by 61 publications

(43 citation statements)

References 42 publications

(78 reference statements)

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“…ROS include free radicals, such as O 2− and OH, and non-radicals, such as H 2 O 2 and 1 O 2 , which induce oxidative damage in cells [86]. The increase in the H 2 O 2 content is a typical plant response to arsenic exposure [87], so much so that when arsenic exposure increases, H 2 O 2 levels also increase, being strongly time dependent [15].…”

Section: Discussionmentioning

confidence: 99%

Impact of Silicon Nanoparticles on the Antioxidant Compounds of Tomato Fruits Stressed by Arsenic

González-Moscoso

Martínez-Villegas

Cadenas‐Pliego³

et al. 2019

Foods

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Tomato fruit is rich in antioxidant compounds such as lycopene and β-carotene. The beneficial effects of the bioactive compounds of tomato fruit have been documented as anticancer activities. The objective of this research was to determine whether arsenic (As) causes changes in the content of antioxidant compounds in tomato fruits and whether Silicon nanoparticles (SiO2 NPs) positively influence them. The effects on fruit quality and non-enzymatic antioxidant compounds were determined. The results showed that As decreased the oxide-reduction potential (ORP), while lycopene and β-carotene were increased by exposure to As at a low dose (0.2 mg L−1), and proteins and vitamin C decreased due to high doses of As in the interaction with SiO2 NPs. A dose of 250 mg L−1 of SiO2 NPs increased glutathione and hydrogen peroxide (H2O2), and phenols decreased with low doses of As and when they interacted with the NPs. As for the flavonoids, they increased with exposure to As and SiO2 NPs. The total antioxidant capacity, determined by the ABTS (2,2´-azino-bis[3-ethylbenzthiazolin-6-sulfonic acid]) test, showed an increase with the highest dose of As in the interaction with SiO2 NPs. The application of As at low doses induced a greater accumulation of bioactive compounds in tomato fruit; however, these compounds decreased in high doses as well as via interaction with SiO2 NPs, indicating that there was an oxidative burst.

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Section: Discussionmentioning

confidence: 99%

Impact of Silicon Nanoparticles on the Antioxidant Compounds of Tomato Fruits Stressed by Arsenic

González-Moscoso

Martínez-Villegas

Cadenas‐Pliego³

et al. 2019

Foods

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“…Recently, increasing evidence has demonstrated that H 2 S possesses multiple physiological functions during the development of both animals and plants 19,20 . In tomato, limited studies have shown that H 2 S is involved in the auxin-or methane-induced lateral root formation 21,22 , the modulation of fruit ripening via increasing antioxidant activity 23 , and the alleviation of stress caused by salt or excess nitrate through altering the redox status of the stressed plants 24,25 .…”

Section: Introductionmentioning

confidence: 99%

Hydrogen sulfide inhibits ethylene-induced petiole abscission in tomato (Solanum lycopersicum L.)

Liu

et al. 2020

Hortic Res

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Abscission is a dynamic physiological process that is ubiquitous in plants and can also be an essential agronomic trait in crops, thus attracting attention from plant growers and breeders. In general, the process of plant organ abscission can be divided into four steps, among which the step to obtain the competence to respond to abscission signals (step 2) is the most complex; however, the molecular mechanism underlying this process remains unclear. In this study, we found that hydrogen sulfide (H 2 S) inhibited the abscission of the tomato petiole in a dose-dependent manner, and the abscission of the petiole was accelerated when an H 2 S scavenger was applied. Further enzymatic activity and gene expression analyses showed that H 2 S suppressed the activity of enzymes capable of modifying the cell wall by inhibiting the usual upregulation of the transcription of the corresponding genes during the abscission process but not by affecting the activities of these enzymes by direct posttranslational modification. H 2 S treatment upregulated the expression levels of SlIAA3 and SlIAA4 but downregulated the transcription of ILR-L3 and ILR-L4 in the earlier stages of the abscission process, indicating that H 2 S probably functioned in the second step of the abscission process by preventing the abscission zone cells from obtaining the competence to respond to abscission signals by modulating the content of the bioactive-free auxin in these cells. Moreover, similar H 2 S inhibitory effects were also demonstrated in the process of floral organ abscission and anther dehiscence in other plant species, suggesting a ubiquitous role for H 2 S in cell separation processes.

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“…Interactions between H 2 S and other signaling molecules, such as NO and ethylene, have also been a focus of recent investigations on the senescence of flowers or ripening of fruits. Hydrogen sulfide alleviates postharvest ripening and senescence of fruits by antagonizing the effect of ethylene [218,219]. In addition, a cooperative effect of H 2 S and NO has been observed on delaying the softening and decay of fruits [220], and the crosstalk between these two gasotransmitters is associated with the inhibition of ethylene biosynthesis [221].…”

Section: H 2 S In Human and Plant Therapiesmentioning

confidence: 99%

Hydrogen Sulfide: From a Toxic Molecule to a Key Molecule of Cell Life

et al. 2020

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Hydrogen sulfide (H2S) has always been considered toxic, but a huge number of articles published more recently showed the beneficial biochemical properties of its endogenous production throughout all regna. In this review, the participation of H2S in many physiological and pathological processes in animals is described, and its importance as a signaling molecule in plant systems is underlined from an evolutionary point of view. H2S quantification methods are summarized and persulfidation is described as the underlying mechanism of action in plants, animals and bacteria. This review aims to highlight the importance of its crosstalk with other signaling molecules and its fine regulation for the proper function of the cell and its survival.

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Modulation of Enhanced Antioxidant Activity by Hydrogen Sulfide Antagonization of Ethylene in Tomato Fruit Ripening

Cited by 61 publications

References 42 publications

Impact of Silicon Nanoparticles on the Antioxidant Compounds of Tomato Fruits Stressed by Arsenic

Impact of Silicon Nanoparticles on the Antioxidant Compounds of Tomato Fruits Stressed by Arsenic

Hydrogen sulfide inhibits ethylene-induced petiole abscission in tomato (Solanum lycopersicum L.)

Hydrogen Sulfide: From a Toxic Molecule to a Key Molecule of Cell Life

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