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1

Antioxidative responses of cytosol and mitochondria to acid rain of different pH value

100%
Wyrwicka A., Sklodowska M.
Zeszyty Problemowe Postępów Nauk Rolniczych
|
2008
|
tom 524
Relatively little is known about the direct influence of acid rain (AR) on pro-and antioxidative changes in plant cells. Intercompartmental differences between cytosol and mitochondria were not studied before. Aboveground parts of plants treated with different pH variants of AR and prooxidative changes (lipid peroxidation) as well as antioxidative enzyme activities (ascorbate peroxidase, APx; glutathione peroxidase, GSH-Px) in the cytosolic and mitochondrial fractions were examined. The character of changes in antioxidative enzyme activities and of prooxidative alterations was closely connected with the cell com partment as well as with pH and time after treatment. The activity of both APx and GSH-Px increased more intensively in cytosol. Contrastingly, strong induction of lipid peroxides formation was observed in the mitochondrial fraction. The results suggest that cucumber mitochondria are more susceptible to oxidative damage caused by AR than cytosol. Antioxidative defense of cytosol appeared to provide sufficient protection against the oxidative stress imposed by AR.
2

Antioxidative enzymes activity and lipid peroxidation in cucumber cytosol and mitochondria after acid rain stress

100%
Wyrwicka A., Sklodowska M.
Acta Physiologiae Plantarum
|
2007
|
tom 29
|
nr 1 Suppl.
3

Intercompartmental differences between cytosol and mitochondria in their respective antioxidative responses and lipid peroxidation levels in acid rain stress

100%
Wyrwicka A., Sklodowska M.
Acta Physiologiae Plantarum
|
2014
|
tom 36
|
nr 04
Relatively little is known about the direct influence of acid rain (AR) on pro- and antioxidative changes in plant cells. Intercompartmental differences between cytosol and mitochondria have not been studied before. Aboveground parts of plants were treated with different pH variants of AR and oxidative damages (lipid peroxidation) as well as antioxidative enzyme activities (superoxide dismutase, SOD; ascorbate peroxidase, APx; glutathione peroxidase, GSH-Px) in the cytosolic and mitochondrial fractions were examined. The character of changes in antioxidative enzyme activities and of oxidative damages was closely connected with the cell compartment as well as with pH and time after treatment. The activity of both APx and GSH-Px increased more intensively in cytosol. Contrastingly, strong induction of lipid peroxide formation was observed in the mitochondrial fraction. In both cell compartments SOD activity did not change significantly. The results suggest that cucumber mitochondria are more susceptible to oxidative damage caused by AR than cytosol. Antioxidative defence of cytosol appeared to provide sufficient protection against the oxidative stress imposed by AR.
4

Antidative changes in Cucumis sativus callus as a response to Bortytis cinerea inoculation

81%
Wyrwicka A., Naliwajski M. R., Sklodowska M.
Acta Physiologiae Plantarum
|
2009
|
tom 31
|
nr 1 Suppl.
5

The effect of PCB-contaminated sewage sludge and sediment on metabolism of cucumber plants (Cucumis sativus L.)

81%
Wyrwicka A., Steffani S., Urbaniak M.
International Journal of Ecohydrology and Hydrobiology
|
2014
|
tom 14
|
nr 1
6
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Selected biochemical parameters of macrophytes applied in the Model Biofiltering System (MBS)

61%
Wyrwicka A., Kiedrzynska E., Kiedrzynski M., Urbaniak M., Materac M., Sklodowska M.
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
|
2013
|
tom 94
|
nr 3
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