Alterations in the antioxidative system of suspension‐cultured soybean cells <i>(Glycine max)</i> induced by oxidative stress

Knörzer, Oliver C.; Burner, Jörg; Böger, Peter

doi:10.1034/j.1399-3054.1996.970225.x

Cited by 263 publications

(155 citation statements)

References 44 publications

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“…The beneficial effects of AsA in mitigating partially or completely the adverse effects of drought stress may be one aspects of the role of these in the activation of some enzymatic reactions (Kefeli 1981). It is generally assumed that plant tolerance to environmental stresses is positively correlated with AsA content (Knörzer et al 1996;Tambussi et al 2000). In our study, the degree to which the AsA and DHA concentrations changed under water stress is extremely variable among different water stress treatments and different fruit development stages (Figs.…”

Section: Discussionmentioning

confidence: 72%

Effect of water stress on antioxidant systems and oxidative parameters in fruits of tomato (Solanum lycopersicon L, cv. Micro-tom)

Murshed

Lopez-Lauri²,

Sallanon

2013

Physiol Mol Biol Plants

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The effects of different levels of water stress on oxidative parameters (H 2 O 2 and MDA), the total pool sizes of ascorbate, the activities of antioxidant enzymes superoxide dismutase (SOD) and catalase (CAT), as well as the activities and relative transcript levels of the enzymes of ascorbate-glutathione cycle ascorbate peroxidase (APX), monodehydroascorbate reductase (MDHAR), dehydroascorbate reductase (DHAR) and glutathione reductase (GR) were studied in the fruit of tomato (Solanum lycopersicum L. cv. Micro-Tom). Plants were subjected to three levels of water stress (S50, S25 and S0) and fruits at different development stages were harvested after 3, 6 and 10 days of stress. Changes in H 2 O 2 and MDA contents indicated that water stress induced oxidative stress in fruits. The concentrations of ascorbate (AsA) and dehydroascorbate (DHA) generally modified with water stress treatments. Moreover, changes in SOD and CAT activities and DHAR, MDHAR, APX and GR activities and relative transcript levels were dependent on the fruit development stage and the intensity and the duration of water stress. These results suggest that the response of antioxidant systems of tomato fruits to oxidative stress induced by water stress treatments was different depending on the fruit development stage.

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Section: Discussionmentioning

confidence: 72%

Effect of water stress on antioxidant systems and oxidative parameters in fruits of tomato (Solanum lycopersicon L, cv. Micro-tom)

Murshed

Lopez-Lauri²,

Sallanon

2013

Physiol Mol Biol Plants

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“…Ascorbate was determined by using the bipyridyl method (18). Dehydroascorbate reductase activity was assayed spectrophotometrically at 265 nm as reduced glutathione (GSH)-dependent dehydroascorbate oxidation (19).…”

Section: Methodsmentioning

confidence: 99%

The endophytic fungus Piriformospora indica reprograms barley to salt-stress tolerance, disease resistance, and higher yield

Waller

Achatz

Baltruschat

et al. 2005

Proc. Natl. Acad. Sci. U.S.A.

1,141

768

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Disease resistance strategies are powerful approaches to sustainable agriculture because they reduce chemical input into the environment. Recently, Piriformospora indica, a plant-root-colonizing basidiomycete fungus, has been discovered in the Indian Thar desert and was shown to provide strong growth-promoting activity during its symbiosis with a broad spectrum of plants [Verma, S. et al. (1998) Mycologia 90, 896 -903]. Here, we report on the potential of P. indica to induce resistance to fungal diseases and tolerance to salt stress in the monocotyledonous plant barley. The beneficial effect on the defense status is detected in distal leaves, demonstrating a systemic induction of resistance by a root-endophytic fungus. The systemically altered ''defense readiness'' is associated with an elevated antioxidative capacity due to an activation of the glutathione-ascorbate cycle and results in an overall increase in grain yield. Because P. indica can be easily propagated in the absence of a host plant, we conclude that the fungus could be exploited to increase disease resistance and yield in crop plants.root endophyte ͉ powdery mildew ͉ symbiosis ͉ ascorbate ͉ glutathione

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“…The homogenate was centrifuged at 8,000 × g at 4°C for 15 min. This method was modified from that described by Knorzer et al (1996) and Lei et al (2006). The supernatant was stored in a volume of 0.4 ml at -70°C for the analysis of antioxidant enzymes.…”

Section: Assays Of Antioxidant Enzymesmentioning

confidence: 99%

Different growth and physiological responses to experimental warming of two dominant plant species Elymus nutans and Potentilla anserina in an alpine meadow of the eastern Tibetan Plateau

Shi

et al. 2010

Photosynt.

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The effects of experimental warming on the growth and physiology of grass Elymus nutans and forb Potentilla anserina were studied by using open-top chambers (OTCs) in an alpine meadow of the eastern Tibetan Plateau. The warming treatment increased mean air and soil surface temperatures by 1.53°C and 0.50°C, respectively, but it reduced soil relative water content in the surface layer. Experimental warming enhanced the growth and gas exchange of E. nutans, while it reduced those of P. anserina. Experimental warming resulted in an increased efficiency of photosystem II (PSII) in E. nutans, while decreasing it in P. anserina; significantly stimulated non-photochemical quenching, antioxidative enzymes and non-enzymes in both species; and significantly reduced malondialdehyde content in E. nutans, while promoting it in P. anserina. The results of this study indicated that the two species showed different growth responses to experimental warming and their different physiological performances further indicated that experimental warming alleviated the negative effect of low temperature on the growth and development of E. nutans, but limited the competitive ability of P. anserina in the study region.

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Alterations in the antioxidative system of suspension‐cultured soybean cells (Glycine max) induced by oxidative stress

Cited by 263 publications

References 44 publications

Effect of water stress on antioxidant systems and oxidative parameters in fruits of tomato (Solanum lycopersicon L, cv. Micro-tom)

Effect of water stress on antioxidant systems and oxidative parameters in fruits of tomato (Solanum lycopersicon L, cv. Micro-tom)

The endophytic fungus Piriformospora indica reprograms barley to salt-stress tolerance, disease resistance, and higher yield

Different growth and physiological responses to experimental warming of two dominant plant species Elymus nutans and Potentilla anserina in an alpine meadow of the eastern Tibetan Plateau

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