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Oxidative stress participates in the response of yeast cells to hyperosmotic challenge

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Koziol S.

Acta Biochimica Polonica

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2003

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tom 50

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nr Supplement 1

2

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Zróżnicowanie siedlisk glebowo-wodnych zasilanych wodami podziemnymi w dolinie Kanału Bydgoskiego

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Koziol S.

Zeszyty Problemowe Postępów Nauk Rolniczych

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1988

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tom 347

The Bydgoszcz canal valley is fed with underground runoff from the adjacent moraine upland and with deep waters. In this connection various soil-water sites developed on the surface of this area de pending on the feeding intensity. Different hydrologie and soil zones have been dostinguished, viz: spring, soaking and capillary rise one, fed periodically with underground waters. All the zones are drained by ditches at the spacing of 180-200 m and by drain pipelines at the spacing of 6-12 m depending on the feeding intensity. The applied reclamation system of particular zones appeared to be satisfactory except for the capillary rise zone, which should be irrigated, particularly after the first cut. The reclamations carried out on this area at consideration of the feeding intensity in particular zones ensured a better grassland productivity potential in the Bydgoszcz canal valley.

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Zołzy - problem wciąż aktualny

39%

Witkowska-Pilaszewicz O., Wieteska M., Dlugolecka E., Strypikowska L., Koziol S., Mickiewicz M., Witkowski L.

Życie Weterynaryjne

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2017

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tom 92

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nr 01

4

Yeast as a biosensor for antioxidants: simple growth tests employing a Saccharomyces cerevisiae mutant defective in superoxide dismutase

39%

Zyracka E., Zadrag R., Koziol S., Krzepilko A., Bartosz G., Bilinski T.

Acta Biochimica Polonica

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2005

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tom 52

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nr 3

Mutants of Saccharomyces cerevisiae devoid of Cu,Zn-superoxide dismutase are hypersensitive to a range of oxidants, hyperbaric oxygen and hyperosmotic media, show lysine and methionine auxotrophy when grown under the atmosphere of air and have a shortened replicative life span when compared to the wild-type strain. Ascorbate and other antioxidants can ameliorate these defects, which may be a basis of simple tests sensing the presence of antioxidants. In particular, tests of growth on solid medium (colony formation) in the absence of methionine and/or lysine, or in the presence of 0.8 M NaCl can be useful for detection and semiquantitative estimation of compounds of antioxidant properties. Hypoxic atmosphere was found to increase the sensitivity of detection of antioxidants. The test of abolishment of lysine auxotrophy showed a concentration dependence of the antioxidant effects of cysteine and N-acetylcysteine which, however, lost their protective action at high concentration, in contrast to glutathione which was effective also at higher concentrations.

Ograniczanie wyników

2 Acta Biochimica Polonica

1 Zeszyty Problemowe Postępów Nauk Rolniczych

1 Życie Weterynaryjne

4 Koziol S.

1 Bartosz G.

1 Bilinski T.

1 Dlugolecka E.

1 Krzepilko A.

1 Mickiewicz M.

1 Strypikowska L.

1 Wieteska M.

1 Witkowska-Pilaszewicz O.

1 Witkowski L.

1 Zadrag R.

1 Zyracka E.

1 2017

1 2005

1 2003

1 1988

Oxidative stress participates in the response of yeast cells to hyperosmotic challenge

Zróżnicowanie siedlisk glebowo-wodnych zasilanych wodami podziemnymi w dolinie Kanału Bydgoskiego

Zołzy - problem wciąż aktualny

Yeast as a biosensor for antioxidants: simple growth tests employing a Saccharomyces cerevisiae mutant defective in superoxide dismutase