Inhibition of postharvest senescence of green leafy vegetables by exogenous D-cysteine and L-cysteine as precursors of hydrogen sulphide

Ubeed, H.M.S. Al; Wills, R. B. H.; Bowyer, Michael C.; Golding, Jonathan M.

doi:10.1080/14620316.2019.1591171

Cited by 18 publications

(16 citation statements)

References 17 publications

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“…The role of NO in alleviating plant senescence has also been systematically reviewed (Gotor et al 2013 ). Meanwhile, d / l -cysteine and H 2 S can delay the aging time of parsley and peppermint by decreasing ethylene synthesis (Al Ubeed et al 2019 ).…”

Section: H 2 S Contributes To Plant Growth and Devmentioning

confidence: 99%

Hydrogen sulfide (H2S) signaling in plant development and stress responses

et al. 2021

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Hydrogen sulfide (H 2 S) was initially recognized as a toxic gas and its biological functions in mammalian cells have been gradually discovered during the past decades. In the latest decade, numerous studies have revealed that H 2 S has versatile functions in plants as well. In this review, we summarize H 2 S-mediated sulfur metabolic pathways, as well as the progress in the recognition of its biological functions in plant growth and development, particularly its physiological functions in biotic and abiotic stress responses. Besides direct chemical reactions, nitric oxide (NO) and hydrogen peroxide (H 2 O 2 ) have complex relationships with H 2 S in plant signaling, both of which mediate protein post-translational modification (PTM) to attack the cysteine residues. We also discuss recent progress in the research on the three types of PTMs and their biological functions in plants. Finally, we propose the relevant issues that need to be addressed in the future research. Graphic abstract Supplementary Information The online version contains supplementary material available at 10.1007/s42994-021-00035-4.

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Section: H 2 S Contributes To Plant Growth and Devmentioning

confidence: 99%

Hydrogen sulfide (H2S) signaling in plant development and stress responses

et al. 2021

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“…Li et al [52] reported that H 2 S alleviated the yellowing of broccoli florets, suggesting that H 2 S prolonged the shelf-life of postharvest broccoli. Al Ubeed et al [36] showed that H 2 S inhibited senescence of harvested pak-choi during storage. H 2 S played a vital role in delaying leaf yellowing and in water spinach [32] and effectively alleviated postharvest and rotting of grape [33].…”

Section: Discussionmentioning

confidence: 99%

“…Browning was divided into 3 grades according to the percentage of browning area of the total scale area: grade 1 (0-10%), grade 2 (10-45%), and grade 3 (>45%). Having a FW of <30% in conjunction with being of grade 3 was defined as having no market value, as proposed by Al Ubeed et al [36]. For each treatment, 12 scales were selected for evaluation, and the average was determined.…”

Section: Storage Life Evaluationmentioning

confidence: 99%

The Antioxidant Defense System during Lanzhou Lily Scales Storage Is Modulated by Hydrogen Sulfide

Chen²,

Huang

et al. 2021

Horticulturae

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As an important gaseous regulator, hydrogen sulfide (H2S) is involved in various aspects of plant processes, including seed germination, stomatal movement, and postharvest senescence. The preservation capacity of Lanzhou lily (Lilium davidii var. unicolor Salisb) scales fumigated with or without exogenously applied sodium hydrosulfide (NaHS, a H2S donor) was investigated in the current study. Results indicate that NaHS fumigation was able to extend storage life and elicit endogenous H2S production of postharvest Lanzhou lily scales with an optimal concentration at 0.8 mM. Moreover, exogenously applied NaHS (0.8 mM) led to higher soluble sugar, soluble protein, and ascorbic acid levels and lower total phenolic and flavonoid contents compared with those of the control. The application of 0.8 mM NaHS also reduced the lipid peroxidation level and reactive oxygen species (ROS) accumulation in scales, as indicated by the lower malondialdehyde (MDA) content, relative conductivity, lipoxygenase (LOX) activity, O2− production rate, and hydrogen per-oxide (H2O2) content. Further, scales treated with 0.8 mM NaHS exhibited significantly higher activities of superoxide dismutase (SOD), catalase (CAT), peroxidase (POD), and ascorbic acid peroxidase (APX). Collectively, our data provide new insight into how the postharvest senescence of Lanzhou lily scales might be alleviated by H2S by enhancing antioxidant defense systems.

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“…Several lines of evidence have suggested that exogenous Cys can alleviate the deleterious effects of heavy metals in plants through its roles in metal sequestration and detoxification [35,36]. Similarly, applied Cys has been shown to delay the senescence of postharvest green leafy vegetables by decreasing the rate of Chl degradation, cellular respiration, and ethylene biosynthesis [39]. Up to now, there are no conclusive data to elucidate the role of ALA and/or Cys in wheat plants subjected to water deficit.…”

Section: Introductionmentioning

confidence: 99%

Roles of Exogenous α-Lipoic Acid and Cysteine in Mitigation of Drought Stress and Restoration of Grain Quality in Wheat

Elkelish

El-Mogy

Niedbała

et al. 2021

Plants

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Cysteine (Cys) and α-lipoic acid (ALA) are naturally occurring antioxidants (sulfur-containing compounds) that can protect plants against a wide spectrum of environmental stresses. However, up to now, there are no conclusive data on their integrative roles in mitigation of drought stress in wheat plants. Here, we studied the influence of ALA at 0.02 mM (grain dipping pre-cultivation treatment) and Cys (25 and 50 ppm as a foliar application) under well watered and deficit irrigation (100% and 70% of recommended dose). The results showed that deficit irrigation markedly caused obvious cellular oxidative damage as indicated by elevating the malondialdehyde (MDA) and hydrogen peroxide content (H2O2). Moreover, water stressed plants exhibited multiple changes in physiological metabolism, which affected the quantitative and qualitative variables of grain yield. The enzymatic antioxidants, including superoxide dismutase (SOD), ascorbate peroxidase (APX), catalase (CAT) and peroxidase (POX) were improved by Cys application. SOD and APX had the same response when treated with ALA, but CAT and POX did not. Moreover, both studied molecules stimulated chlorophyll (Chl) and osmolytes’ biosynthesis. In contrast, the Chl a/b ratio was decreased, while flavonoids were not affected by either of the examined molecules. Interestingly, all above-mentioned changes were associated with an improvement in the scavenging capacity of reactive oxygen species (ROS), leaf relative water content (RWC), grain number, total grain yield, weight of 1000 kernels, gluten index, falling number, and alveographic parameters (P, W, and P/L values). Furthermore, heatmap plot analysis revealed several significant correlations between different studied parameters, which may explore the importance of applied Cys and ALA as effective compounds in wheat cultivation under water deficit conditions.

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Inhibition of postharvest senescence of green leafy vegetables by exogenous D-cysteine and L-cysteine as precursors of hydrogen sulphide

Cited by 18 publications

References 17 publications

Hydrogen sulfide (H2S) signaling in plant development and stress responses

Hydrogen sulfide (H2S) signaling in plant development and stress responses

The Antioxidant Defense System during Lanzhou Lily Scales Storage Is Modulated by Hydrogen Sulfide

Roles of Exogenous α-Lipoic Acid and Cysteine in Mitigation of Drought Stress and Restoration of Grain Quality in Wheat

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