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Effect of water deficit conditions on superoxide dismutase isoenzyme activities in wheat
Date
1998-01-01
Author
Inci, F
Öktem, Hüseyin Avni
Yucel, M
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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Superoxide dismutase (SOD, E.C.1.15.1.1) converts superoxide to hydrogen peroxide, therefore important in prevention of oxygen toxicity produced by several environmental stresses. In the present work, the effect of water deficit on the activity of SOD isoenzymes in roots and shoots of 10 day-old seedlings of seven wheat cultivars was studied. Bread wheat varieties showed different responses, while a general decrease in the SOD isoenzyme activity was observed in a durum variety. The obtained data suggest that: i. Under similar stress conditions, mitochondrial and cytosolic SOD isoenzymes respond differently, ii. Drought stress may increase isoenzyme activity of SOD in the tolerant and adaptive varieties, while causing a decrease in the sensitive varieties.
Subject Keywords
OD
,
Triticum aestivum
,
Triticum durum
,
Drought
,
Environmental stress
URI
https://hdl.handle.net/11511/52824
Journal
CEREAL RESEARCH COMMUNICATIONS
Collections
Department of Biology, Article