Investigation of nickel stress induction in terms of metal accumulation and antioxidative enzyme activity in barley seedlings

Changes of the activity of antioxidative enzymes (APX, GPX) were investigated in barley roots and leaves during a one day and a one week setting of 0, 100, 500, 1000 μM nickel treatment parallel with the measurement of nickel accumulation in order to elucidate the mechanisms in terms of anitoxidati...

Teljes leírás

Elmentve itt :
Bibliográfiai részletek
Szerző: Jócsák Ildikó
Testületi szerző: Hungarian Congress on Plant Biology, 9., 2008, Szeged
Dokumentumtípus: Cikk
Megjelent: 2008
Sorozat:Acta biologica Szegediensis 52 No. 1
Kulcsszavak:Természettudomány, Biológia
Online Access:http://acta.bibl.u-szeged.hu/22935
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520 3 |a Changes of the activity of antioxidative enzymes (APX, GPX) were investigated in barley roots and leaves during a one day and a one week setting of 0, 100, 500, 1000 μM nickel treatment parallel with the measurement of nickel accumulation in order to elucidate the mechanisms in terms of anitoxidative enzyme activity during the early phase of nickel exposure. We concluded that nickel also cause ROS formation in barely seedlings in the roots and also in the leaves. In the inactivation of ROS both APX and GPX play role although to different extent and for different duration. Moreover APX reacts rapidly to nickel stress, since its activity rises even after three hours of the nickel treatment. 
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710 |a Hungarian Congress on Plant Biology, 9., 2008, Szeged 
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