Some Enzymatic and Non-enzymatic Antioxidants Response under Nickel and Lead Stress for Some Fabaceae Trees

This study investigates the effects of soil contamination by nickel and lead on some enzymatic and non-enzymatic antioxidants in addition to the nitrate reductase (NR) enzyme activity for Gleditsia triacanthos, Leucaena leucocephala, and Robinia pseudoacacia plant species. The results of this study...

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Main Authors: Sargul A. Khudhur, lkbal M. Albarzinji
Format: Article
Language:English
Published: Koya University 2022-11-01
Series:ARO-The Scientific Journal of Koya University
Subjects:
Online Access:https://aro.koyauniversity.org/index.php/aro/article/view/1033
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author Sargul A. Khudhur
lkbal M. Albarzinji
author_facet Sargul A. Khudhur
lkbal M. Albarzinji
author_sort Sargul A. Khudhur
collection DOAJ
description This study investigates the effects of soil contamination by nickel and lead on some enzymatic and non-enzymatic antioxidants in addition to the nitrate reductase (NR) enzyme activity for Gleditsia triacanthos, Leucaena leucocephala, and Robinia pseudoacacia plant species. The results of this study show a significant increase in peroxidase enzyme activity and a significant decrease in catalase enzyme activity, proline, total carotenoids, and total carbohydrate content of leaves of the three species with increasing the concentration of Ni and Pb except for the total carbohydrate, which increased only for L. leucocephala species. Each NR enzyme activity and ascorbic acid content are increased significantly with increasing the concentration of Ni and Pb for G. triacanthos, L. leucocephala, and on the contrary, they decreased significantly for R. pseudoacacia species. From the result, we can conclude a general increase or decrease in leaves content of some antioxidants content for all the species, whereas there is some peculiarity according to the plant species regarding other contents, which in turn reflects different mechanisms of these species to tolerant heavy metal stress  
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spelling doaj.art-a42dc140362b460ebcdb8c49c4de37c92023-08-02T06:46:24ZengKoya UniversityARO-The Scientific Journal of Koya University2410-93552307-549X2022-11-0110210.14500/aro.11033Some Enzymatic and Non-enzymatic Antioxidants Response under Nickel and Lead Stress for Some Fabaceae TreesSargul A. Khudhur0lkbal M. Albarzinji 1Department of Biology, Faculty of Health and Science, Koya University, Kurdistan Region - F.R. IraqDepartment of Biology, Faculty of Health and Science, Koya University, Kurdistan Region - F.R. Iraq This study investigates the effects of soil contamination by nickel and lead on some enzymatic and non-enzymatic antioxidants in addition to the nitrate reductase (NR) enzyme activity for Gleditsia triacanthos, Leucaena leucocephala, and Robinia pseudoacacia plant species. The results of this study show a significant increase in peroxidase enzyme activity and a significant decrease in catalase enzyme activity, proline, total carotenoids, and total carbohydrate content of leaves of the three species with increasing the concentration of Ni and Pb except for the total carbohydrate, which increased only for L. leucocephala species. Each NR enzyme activity and ascorbic acid content are increased significantly with increasing the concentration of Ni and Pb for G. triacanthos, L. leucocephala, and on the contrary, they decreased significantly for R. pseudoacacia species. From the result, we can conclude a general increase or decrease in leaves content of some antioxidants content for all the species, whereas there is some peculiarity according to the plant species regarding other contents, which in turn reflects different mechanisms of these species to tolerant heavy metal stress   https://aro.koyauniversity.org/index.php/aro/article/view/1033Ascorbic acidCatalaseHeavy metalsNickel and LeadNitrate reductasePeroxidase
spellingShingle Sargul A. Khudhur
lkbal M. Albarzinji
Some Enzymatic and Non-enzymatic Antioxidants Response under Nickel and Lead Stress for Some Fabaceae Trees
ARO-The Scientific Journal of Koya University
Ascorbic acid
Catalase
Heavy metals
Nickel and Lead
Nitrate reductase
Peroxidase
title Some Enzymatic and Non-enzymatic Antioxidants Response under Nickel and Lead Stress for Some Fabaceae Trees
title_full Some Enzymatic and Non-enzymatic Antioxidants Response under Nickel and Lead Stress for Some Fabaceae Trees
title_fullStr Some Enzymatic and Non-enzymatic Antioxidants Response under Nickel and Lead Stress for Some Fabaceae Trees
title_full_unstemmed Some Enzymatic and Non-enzymatic Antioxidants Response under Nickel and Lead Stress for Some Fabaceae Trees
title_short Some Enzymatic and Non-enzymatic Antioxidants Response under Nickel and Lead Stress for Some Fabaceae Trees
title_sort some enzymatic and non enzymatic antioxidants response under nickel and lead stress for some fabaceae trees
topic Ascorbic acid
Catalase
Heavy metals
Nickel and Lead
Nitrate reductase
Peroxidase
url https://aro.koyauniversity.org/index.php/aro/article/view/1033
work_keys_str_mv AT sargulakhudhur someenzymaticandnonenzymaticantioxidantsresponseundernickelandleadstressforsomefabaceaetrees
AT lkbalmalbarzinji someenzymaticandnonenzymaticantioxidantsresponseundernickelandleadstressforsomefabaceaetrees