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Добірка наукової літератури з теми "Stress Induced Isozyme"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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Статті в журналах з теми "Stress Induced Isozyme"

1

Miller, A. Raymond, and Thomas J. Kelley. "Mechanical Stress Stimulates Peroxidase Activity in Cucumber Fruit." HortScience 24, no. 4 (1989): 650–52. http://dx.doi.org/10.21273/hortsci.24.4.650.

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Abstract Peroxidase activity was determined in cucumber fruit (37 to 55 mm in diameter) subjected to mechanical stress followed by storage at 25C and 100% RH. Compared to unstressed, unstored control fruit, severe mechanical stress stimulated total extractable peroxidase activity after 24 and 48 hr of storage. Moderate mechanical stress or storage alone stimulated peroxidase activity to lesser degrees. Peroxidase isozyme analysis by native polyacrylamide gel electrophoresis showed that cucumber anodic peroxidases could be separated into slow-, moderate-, and fast-migrating groups. Both moderat

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2

Huttová, J., MistríkI, M. Ollé-Šimonovičová, and L. Tamás. "Cadmium induced changes in cell wall peroxidase isozyme pattern in barley root tips." Plant, Soil and Environment 52, No. 6 (2011): 250–53. http://dx.doi.org/10.17221/3437-pse.

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Changes in peroxidase activity as well as isozyme peroxidase pattern were analyzed in five cell wall (CW) fractions of barley roots exposed to 1mM CdCl<sub>2</sub>for 48 and 72 h. Whereas strong inhibition of peroxidase activity was detected in fraction CW I and weak inhibition in fractions CW II, III and IV, strong activation of peroxidase was observed in fraction V after Cd application. Despite the inhibition of enzyme activity in most CW fractions, induction of several isoperoxidases was discovered after separation on PAGE. In fraction CW I inhibition of one cathodic isoperoxida

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3

He, Yali, and Bingru Huang. "Differential Responses to Heat Stress in Activities and Isozymes of Four Antioxidant Enzymes for Two Cultivars of Kentucky Bluegrass Contrasting in Heat Tolerance." Journal of the American Society for Horticultural Science 135, no. 2 (2010): 116–24. http://dx.doi.org/10.21273/jashs.135.2.116.

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Understanding antioxidant mechanisms for heat stress is important for improving heat tolerance in cool-season plant species. The objective of this study was to identify antioxidant enzymes associated with cultivar variations in heat tolerance in kentucky bluegrass (Poa pratensis) by comparing heat responses of activity and isoforms of antioxidant enzymes in two cultivars contrasting in heat tolerance. Plants of heat-tolerant ‘Eagleton’ and heat-sensitive ‘Brilliant’ were exposed to 20 °C (control) or 40 °C (heat stress) for 28 days in growth chambers. Chlorophyll (Chl) a content remained uncha

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4

Tamás, L., J. Huttová, I. Mistrík, M. Šimonovičová, and B. Široká. "Aluminium induced esterase activity and isozyme pattern in barley root tip." Plant, Soil and Environment 51, No. 5 (2011): 220–25. http://dx.doi.org/10.17221/3577-pse.

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Changes in the activity of esterase as well as changes in the viability of root cells and some growth parameters were analysed during cultivation of barley seedlings in the artificial substrate under Al stress conditions. Aluminium-induced elevated esterase activity correlated with Al uptake, root growth inhibition and increased Evans blue uptake in the barley root tips. Analysis of isozyme pattern of esterase revealed one anodic and one cathodic esterase isozyme induced by Al-treatment. The possible role of elevated esterase activity during Al stress is discussed.

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5

Pan, Guodong, Mandar Deshpande, Rajarajan A. Thandavarayan, and Suresh Selvaraj Palaniyandi. "ALDH2 Inhibition Potentiates High Glucose Stress-Induced Injury in Cultured Cardiomyocytes." Journal of Diabetes Research 2016 (2016): 1–8. http://dx.doi.org/10.1155/2016/1390861.

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Aldehyde dehydrogenase (ALDH) gene superfamily consists of 19 isozymes. They are present in various organs and involved in metabolizing aldehydes that are biologically generated. For instance, ALDH2, a cardiac mitochondrial ALDH isozyme, is known to detoxify 4-hydroxy-2-nonenal, a reactive aldehyde produced upon lipid peroxidation in diabetic conditions. We hypothesized that inhibition of ALDH leads to the accumulation of unmetabolized 4HNE and consequently exacerbates injury in cells subjected to high glucose stress. H9C2 cardiomyocyte cell lines were pretreated with 10 μM disulfiram (DSF), a

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6

Almas, Semra, and Tijen Demiral Sert. "Metal Sulfates and Microbial Food Treatment Alleviate the Oxidative Damage Caused by PEG-Induced Osmotic Stress in Cotton Plants." Advancements in Life Sciences 11, no. 3 (2024): 572. http://dx.doi.org/10.62940/als.v11i3.1739.

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Background: Drought stress restricts cotton production, which causes a considerable loss of cotton yields worldwide. Plant activators improve crop production and ameliorate abiotic stresses. Thus, the effects of plant activators on the genotype of cotton (Gossypium hirsutum L.) Candia, which is resistant to drought, were investigated.Methods: Plants were treated with the plant activators, and then osmotic stress was initiated by 30% PEG 6000 treatment for 13 days. Antioxidant enzyme activities such as superoxide dismutase (SOD), ascorbate peroxidase (APX), and peroxidase (POX) were measured al

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7

Jiang, Shun Yao, and Pei Jiang Zhou. "Effects of Cadmium on the Expression of Antioxidant Enzymes, Oxidative Stress and Apoptosis in Primary Hepatocytes of Carassius Auratus." Advanced Materials Research 518-523 (May 2012): 341–46. http://dx.doi.org/10.4028/www.scientific.net/amr.518-523.341.

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The primary hepatocytes of Carassius auratus were incubated with 0, 0.01, 0.1, 1, 10 and 100 mg/l Cadmium(Cd2+) at 25°C for 8h in vitro. The results showed that the hepatocytes survival rate in the 1, 10 and 100 mg/l Cd2+ treated groups were significantly lower than that in the control, the percentage of apoptotic hepatocytes significantly increased in 0.1, 1 and 10 mg/l of Cd2+ treated groups, intracellular reactive oxygen species(ROS) and malondialdehyde (MDA) content significantly increased in 0.1, 1, 10 and 100 mg/l Cd2+ treated groups, typical DNA ladder was observed in 0.1, 1 and 10 mg/l

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8

Ying, X. F., P. Liu, and G. D. Xu. "Effect of aluminum on the isozymes of the seedlings of two soybeans [Glycine max (L.) Merrill] varieties." Plant, Soil and Environment 52, No. 6 (2011): 262–70. http://dx.doi.org/10.17221/3439-pse.

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Aluminum (Al) is not the necessary nutrient but the most abundant metal in the earth&rsquo;s crust. Isozymes of the <br />seedlings of two soybean varieties (Zhechun No. 3 and Huachun No. 18) and their response to different Al treatments had been analyzed. The study showed that the responses to Al toxicity of different isozymes were quite different. Among these four isozymes, esterase (EST) isozyme was the least sensitive to Al toxicity. There was no distinct difference in the zymograms of EST under different Al treatments. Al toxicity enhanced the activity of peroxidase (POD) and in

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9

Vishnu, Priya S., and P. Somasundaram. "INDUCED PHENOLOXIDASE PROFILES IN SILKWORM Bombyx mori (L.) UNDER BIOTIC STRESS." International Journal of Engineering Technologies and Management Research 4, no. 10 (2017): 46–52. https://doi.org/10.5281/zenodo.1042479.

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<strong><em>Phenol oxidase (PO) is one of the stress enzyme protein in living organism. The conversion of Pro-PO into an activation form of PO required a stress protein. In the present study has emerged with the novel finding of induced phenoloxidase was identified under bacterial endotoxin viz., Lipopolysaccharide (LPS) activity using silkworm Bombyx mori as an animal model. The PO enzyme plays an important role for insect survival during pathophysiological conditions. The enzyme activity was analyzed from ten different silkworm races with two phenolic substrates viz., L-Dopa and Dopamine by

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10

EL-BELTAGI, Hossam Saad, Amal A. MOHAMED, and Mohamed M. RASHED. "Response of Antioxidative Enzymes to Cadmium Stress in Leaves and Roots of Radish (Raphanus sativus L.)." Notulae Scientia Biologicae 2, no. 4 (2010): 76–82. http://dx.doi.org/10.15835/nsb245395.

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Presented study has demonstrated that exposure of plants to toxic heavy metal Cd results a reduction in plant growth. Varied concentrations of CdCl2, ranging from 0.0 to 50 ppm in the germinating media reduced leaf area of radish plant, chlorophyll and carotenoid contents. Greater loss of chlorophyll b content than chlorophyll a was observed especially under 50 ppm Cd exposure. With regards to the distribution of Cd in roots and leaves, the obtained data showed that the maximum accumulation of Cd occurred in roots followed by leaves. Generally, Fe, Zn, Mn and Cu declined in leaves compared to

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