The activity of antioxidant enzymes in suspension cultured tobacoo cells treated with heavy metals

• Autorzy: Zrobek-Sokolnik A , Gorska K. , Gorecki R.J.

Warianty tytułu

PL

Aktywnosc enzymow antyoksydacyjnych w komorkach kultury zawiesinowej tytoniu poddanej dzialaniu metali ciezkich

• Języki publikacji: EN

Abstrakty

EN

In this work the effect of cadmium, copper, iron and zinc on antioxidant enzymes activity in Nicotiana tabacum Bright Yellow 2 cells derived from suspension culture was studied. It was noticed that all of tested elements stimulated the increase in superoxide dismutases activities and initial increment, followed by the decrease in catalase activity. Zinc ions in 500 μM concentration caused continuous raise and copper ions in 10 μM caused decrease in the activities of nonspecific peroxidases. The presence of cadmium ions in 500 μM concentration in reaction mixture caused the initial decrease followed by increase in phenol peroxidases activities. Iron ions in 5 μM concentration induced the enhance of nonspecific peroxidase activity after the third hour of exposition.

PL

W pracy zbadano wpływ kadmu, cynku, miedzi i żelaza na aktywność enzymów antyoksydacyjnych komórek w kulturze zawiesinowej Nicotiana tabacum Bright Yellow 2. Odnotowano, że wszystkie testowane pierwiastki stymulowały wzrost aktywności dysmutaz ponadtlenkowych oraz początkowy wzrost, a następnie spadek aktywności katalaz. Jony cynku w stężeniu 500 μM powodowały stały wzrost, a jony miedzi w stężeniu 10 μM – spadek aktywności niespecyficznych peroksydaz. Obecność w mieszaninie reakcyjnej jonów kadmu w stężeniu 500 μM skutkowała początkowym spadkiem, a następnie wzrostem aktywności peroksydaz fenolowych. Jony żelaza w stężeniu 5 μM po trzeciej godzinie ekspozycji indukowały wzrost aktywności niespecyficznych peroksydaz.

• Wydawca: -
• Czasopismo: Polish Journal of Natural Sciences
• Rocznik: 2007
• Tom: 22
• Numer: 4
• Opis fizyczny: p.704-713,fig.,ref.

Twórcy

autor

Zrobek-Sokolnik A

• University of Warmia and Mazury in Olsztyn, Plac Lodzki 1, 10-727 Olsztyn, Poland

autor

Gorska K.

autor

Gorecki R.J.

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