Aktivnost glutation-peroksidaze (GSH-Px), glutation-reduktaze (GR) i enzima faze II biotransformacije glutation-S-transferaze (GST) u tkivima nekih slatkovodnih rakova
Glutathione peroxidase (GSH-Px), glutathione reductase (GR) and phase II biotransformation enzyme glutathione-S-transferase (GST) activities in tissues of some freshwater crayfish species
Authors:Borković Mitić, Slavica
Kovačević, Tijana B.
Milošević, Slaviša M.
Pajović, Snežana B.
Žikić, Radoslav V.
Petrović, Vojislav M.
Article (Published version)
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We investigated the activities of glutathione peroxidase (GSH-Px) glutathione reductase (GR) and phase II biotransformation enzyme glutathione-S-transferase (GST) in the hepatopancreas, the gills and muscle of Noble crayfish (Astacus astacus-AST), Stone crayfish (Austropotamobius torrentium-AUS) and Spynicheek crayfish (Orconectes limosus-ORC) from the South Morava River, Krajkovačka River and Serbian part of the Danube. Specific GSH-Px activity was lower in the hepatopancreas of AUS than in ORC and in the muscle of AST than in AUS and ORC. We obtained differences of total GSH-Px activity in the muscle between AST and AUS and between AST and ORC. Specific and total GR activity was higher in the hepatopancreas of AST than in other species. Specific and total activity of GR in the gills and in the muscle of crayfish species was higher in AUS then in AST and ORC. The specific and total GST activity was lower in the hepatopancreas of AST and ORC than in AUS. Specific and total GST activity in the gills was higher in AUS than in AST. The lowest specific and total GST activity was detected in the muscle of ORC compared to the AST and AUS. Our results show that specific and total enzyme activities of GSH-Px, GR and GST have species and tissue specifics between crayfish species and represent biomarkers of environmental influences on these organisms.
Keywords:glutathione peroxidase; glutathione reductase; glutathione-S-transferase; Astacus astacus; Austropotamobius torrentium; Orconectes limosus
Source:Acta biologica serbica - serija C: Acta physiologica et pharmacologica serbica, 2006, 42, 3, 211-217
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