Role of ascorbic acid in enhancing hypoxia tolerance in roots of sensitive and tolerant apple rootstocks

Bai, Tuanhui; Ma, Ping; Li, Cuiying; Yin, Rong; Ma, Fengwang

doi:10.1016/j.scienta.2013.10.003

Cited by 27 publications

(17 citation statements)

References 39 publications

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“…In contrast, during the DS periods, T2 had markedly higher CAT activities than T1, indicating that T2 can efficiently scavenge ROS as a result of a more effective SOD-CAT antioxidative systems. Our results were in accordance with Bai et al (2013), who reported that CAT and SOD activities were greater in drought-tolerant maize than in drought-susceptible genotypes.…”

Section: Different Physiological Responses Among Tea Cultivars Under supporting

confidence: 93%

Physiological changes and differential gene expression of tea plant under dehydration and rehydration conditions

Liu

Yao

et al. 2015

Scientia Horticulturae

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Section: Different Physiological Responses Among Tea Cultivars Under supporting

confidence: 93%

Physiological changes and differential gene expression of tea plant under dehydration and rehydration conditions

Liu

Yao

et al. 2015

Scientia Horticulturae

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“…Therefore, its pool size may serve as an underlying mechanism in plant protection against photoinhibition, especially under stress conditions. It has been reported that the exogenously supplemented ascorbate in plants exposed to abiotic stressors had a vital impact on the prevention of lipid peroxidation and the restoration of the plasma membrane (Bai et al, 2013;Saeidi-Sar et al, 2013).…”

Section: Photosynthetic Pigmentsmentioning

confidence: 99%

“…The regulating role of Se on the uptake and redistribution of some essential elements like S, Zn, Mn, Cu, and Fe, especially the latter, is introduced as a key mechanism to stimulate the antioxidant system, decrease the levels of reactive oxygen species, and enhance chlorophyll biosynthesis pathways, thereby improving plant resistance to stress (Feng et al, 2013). Considering the pivotal roles of ascorbate and GSH metabolites in antioxidant defenses (Noctor and Foyer, 1998), these compounds play an important role in the protection against oxidative damage under abiotic stress (Bai et al, 2013;Gallie, 2013;Saeidi-Sar et al, 2013).…”

Section: The Antioxidative System and Antioxidant Activities (Free Ramentioning

confidence: 99%

“…Plants are exposed to various severe physicochemical forms of stress that adversely influence growth, metabolism, and yield (Bai et al, 2013). It is obvious that salinity or high EC conditions, which adversely affect plant growth and productivity, cause ion toxicity, osmotic stress, nutrient deficiency, oxidative stress, and changes in metabolism (Nazar et al, 2011).…”

mentioning

confidence: 99%

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The modified qualities of basil plants by selenium and/or ascorbic acid

Ardebili

Ardebili²,

Jalili³

et al. 2015

Turk J Bot

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IntroductionAscorbic acid (AsA) is one of the most critical low molecular weight antioxidants and has control over crucial processes, including the cell cycle and cell wall expansion (Noctor and Foyer, 1998). Ascorbic acid, a water soluble compound, is known as a major redox buffer, one of the most abundant antioxidants, and a required cofactor for several enzymes. Its multiple implications in various critical aspects of key physiological processes like cell division, growth, signal transduction, photosynthesis, and hormone biosynthesis are well documented (Gallie, 2013). Ascorbate is regarded as the first line of defense against detrimental effects of active oxygen species (AOS), and protects plant cells from various abiotic and biotic oxidative stressors (Suza et al., 2010). It has been stated that foliarly supplemented ascorbate may be an effective treatment for improving tolerance in stress exposed plants in arid and semi-arid regions (Dolatabadian et al., 2009). In addition, it has been proposed that various crucial compounds, including phenolics, carotenoids, tocopherols, chlorophyll, and ascorbic acid all possess a key role in the prevention of different diseases related to oxidative stress such as cardiovascular diseases, cancer, atherosclerosis, inflammation, neurodegenerative diseases, diabetes, and other chronic diseases (Šircelj et al., 2010).

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“…The H 2 O 2 content was significantly increased when plants were exposed to hypoxia (Bai et al 2013). H 2 O 2 is generated and triggers downstream transcriptional responses of hypoxia-inducible genes such as AtERF73/HRE1 and ADH1, via modulation of ethylene.…”

Section: Introductionmentioning

confidence: 99%

ERF73/HRE1 is involved in H2O2 production via hypoxia-inducible Rboh gene expression in hypoxia signaling

Yang

Huang

2016

Protoplasma

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Hypoxia deprives cells of energy and induces severe physical damage in embryophytes. Under hypoxia, the equilibrium between ethylene and HO affects the response of the transcription factor AtERF73/HRE1. To evaluate the role of AtERF73/HRE1 during hypoxia signaling, we used three independent AtERF73/HRE1 knockout lines to detect HO accumulation. The results revealed that under hypoxia, HO accumulation in the AtERF73/HRE1 knockout lines decreased, indicating that AtERF73/HRE1 uses a negative feedback regulation mechanism to influence the production of HO induced through hypoxia signal transduction. Quantitative RT-PCR analyses showed that oxygen deficiency had different effects on the expression of the hypoxia-induced genes Rboh B, D, G, and I in the AtERF73/HRE1 knockout lines. In particular, Rboh B and D expression were increased, whereas Rboh G expression was decreased. The expression of Rboh I was increased at 1 h but decreased at 3 h during hypoxia treatment in the AtERF73/HRE1 knockout lines. Similarly, the transcript levels of antioxidant and hypoxia-induced/ethylene response genes in the AtERF73/HRE1 knockout lines were affected by hypoxic stress, indicating that AtERF73/HRE1 is essential to hypoxia signal transduction in embryophytes. Additionally, in histochemical analysis, AtERF73/HRE1 promoter-induced GUS expression was detected in various plant parts throughout the plant growth process (e.g., leaves, inflorescences, siliques), particularly in the edges of mature leaves and guard cells. Taken together, our results confirm that AtERF73/HRE1 plays a role in HO production by affecting the hypoxia-induced expression of Rboh genes in hypoxia signal transduction.

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Role of ascorbic acid in enhancing hypoxia tolerance in roots of sensitive and tolerant apple rootstocks

Cited by 27 publications

References 39 publications

Physiological changes and differential gene expression of tea plant under dehydration and rehydration conditions

Physiological changes and differential gene expression of tea plant under dehydration and rehydration conditions

The modified qualities of basil plants by selenium and/or ascorbic acid

ERF73/HRE1 is involved in H2O2 production via hypoxia-inducible Rboh gene expression in hypoxia signaling

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