Relationships between antioxidant enzymes and physiological variations occur during ageing of pepper seeds

Demirkaya, Mustafa

doi:10.1007/s13580-013-0187-7

Cited by 8 publications

(8 citation statements)

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“…The viability and vigor of the seeds decrease due to an increase in the LP and changes in the structures of antioxidant enzymes leading to inactivation (Demirkaya ). Production of ROS within the cell causes an imbalance between the generation and elimination of ROS disrupting the metabolisms occurring in the seed through oxidative damage to membrane lipids, proteins and nucleic acids necessitating additional defenses (Apel and Hirt ).…”

Section: Resultsmentioning

confidence: 99%

Varietal Differences in the Antioxidative Properties of Soybean [Glycine Max (L.) Merr.] Seeds

Rao

Chaitanya

2015

Journal of Food Biochemistry

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The antioxidant defense system in the seeds of 18 different soybean varieties was evaluated by studying the concentrations of total antioxidants, ascorbate, glutathione, α-tocopherol, total phenolics, flavonoids and tannins. The activities of enzymatic antioxidants superoxide dismutase (SOD, EC 1.15.1.1), ascorbate peroxidase (APX, EC 1.11.1.11) and glutathione reductase (GR, EC 1.8.1.7) were also investigated in soybean seeds along with the concentrations of H2O2 and the lipid peroxidation (LP) rates were determined. Observations made in this study suggest that soybean seeds possess strong antioxidative defense system necessary for successfully ameliorating the toxicity of reactive oxygen species, and the varieties ADB-22, NRC-37 and LSB-1 have better antioxidative defense properties than other varieties, which will also enhance their nutritive values. PRACTICAL APPLICATIONSSoybean (Glycine max L.) is an important legume crop, cultivated for its protein, edible oil and antioxidants. The rich nutraceutical constituents of soybean that have been isolated in earlier investigations are attributed to their protective properties against cancers and cardiovascular diseases. This paper presents the findings of a comprehensive investigation of total antioxidant content, lipid peroxidation rates and secondary metabolites in the seeds of 18 different soybean varieties grown in India, which can be used for the identification of superior varieties with respect to its antioxidant properties for their consumption.

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Section: Resultsmentioning

confidence: 99%

Varietal Differences in the Antioxidative Properties of Soybean [Glycine Max (L.) Merr.] Seeds

Rao

Chaitanya

2015

Journal of Food Biochemistry

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“…; Chen et al . ; Demirkaya ). Interestingly, transcriptome analysis of pea seeds subjected to ageing at 50 °C indicated that the expression of genes related to oxidative stress was altered prior to any sign of viability loss (Chen et al .…”

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“…The role of ROS and antioxidants in seed ageing has been studied in various plant species by controlled deterioration treatments (Bailly 2004), and their involvement was demonstrated at the levels of transcripts, proteins and metabolites (Rajjou et al 2008;Chen et al 2013;Demirkaya 2013). Interestingly, transcriptome analysis of pea seeds subjected to ageing at 50°C indicated that the expression of genes related to oxidative stress was altered prior to any sign of viability loss (Chen et al 2013).…”

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confidence: 99%

“…In pepper seeds aged at 60°C, seed viability levels were negatively correlated with mean germination time, lipid peroxidation and electrolyte leakage, and positively associated with antioxidant enzyme activities (e.g. superoxide dismutase, catalase, peroxidase; Demirkaya 2013). Similarly, high-temperature treatment (40°C) of soybean seeds also resulted in greater membrane damage (Xin et al 2014), which was accompanied by poor development of the mitochondria, as well as decreased antioxidant enzyme activities (superoxide dismutase, and enzymes of the ascorbate-glutathione cycle), total ascorbate and glutathione contents, and ratios of the reduced and oxidized forms of these compounds in the mitochondria.…”

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Die or survive? Redox changes as seed viability markers

Kocsy

2015

Plant Cell & Environment

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Global climatic changes endanger the survival of many species, so the preservation of their seeds in gene banks and their propagation and re-establishment in natural habitats is a major task. The conservation of genetic diversity is also important for plant breeding, since the wild relatives of crops can be used as sources of genes affecting tolerance to biotic and abiotic stresses. Because of the importance of this genetic diversity, the seeds of landraces and old cultivars are also preserved in gene banks for breeding purposes. However, during the storage of seeds, their germination ability decreases as they undergo ageing (Shaban 2013), which limits our ability to maintain seeds indefinitely. This process of ageing depends on many

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Effects of warming and precipitation reduction on physiological characters of dominant psammophytes’ seeds in Horqin sandy land, northeast China

Huang

Zhao

et al. 2023

Acta Physiol Plant

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Relationships between antioxidant enzymes and physiological variations occur during ageing of pepper seeds

Cited by 8 publications

References 12 publications

Varietal Differences in the Antioxidative Properties of Soybean [Glycine Max (L.) Merr.] Seeds

Varietal Differences in the Antioxidative Properties of Soybean [Glycine Max (L.) Merr.] Seeds

Die or survive? Redox changes as seed viability markers

Effects of warming and precipitation reduction on physiological characters of dominant psammophytes’ seeds in Horqin sandy land, northeast China

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