REAL

Drought stress-induced changes in redox metabolism of barley (Hordeum vulgare L.)

Kaur, Ekumjot and Bhardwaj, Rachana D. and Kaur, Simarjit and Grewal, Satvir (2021) Drought stress-induced changes in redox metabolism of barley (Hordeum vulgare L.). Biologia Futura, 72 (3). pp. 347-358. ISSN 2676-8615 (print), 2676-8607 (online)

[img] Text
s42977-021-00084-2.pdf
Restricted to Repository staff only

Download (1MB)

Abstract

In the present investigation, influence of water stress on redox metabolism was evaluated in the flag leaf and grains of four barley (Hordeum vulgare L.) genotypes viz DWRB 101, 432 ICARDA, Jyoti and 430 ICARDA at 10th, 20th and 30th days after anthesis (DAA). Relative water content, electrolyte leakage, antioxidative enzymes and their related metabolites were studied during drought stress. Relative water content was well maintained in both the tissues of DWRB 101 and 432 ICARDA. The upregulation of catalase at 20th DAA while ascorbate peroxidase, glutathione reductase and dehydro reductase at 30th DAA in the flag leaf and grains of DWRB 101 and 432 ICARDA may be responsible for lesser increase in H2O2 content as compared to other genotypes. Moreover, the downregulation of superoxide dismutase was comparatively higher in Jyoti and 430 ICARDA. The redox homeostasis was well established during the stress in DWRB 101 and 432 ICARDA by maintaining comparatively higher ratios of ascorbate/dehydroascorbate and reduced/oxidized glutathione. Therefore, scrutiny of data indicated that DWRB 101 and 432 ICARDA may perform better under drought stress in comparison with Jyoti and 430 ICARDA.

Item Type: Article
Subjects: Q Science / természettudomány > Q1 Science (General) / természettudomány általában
Q Science / természettudomány > QH Natural history / természetrajz > QH301 Biology / biológia
Depositing User: Zsolt Baráth
Date Deposited: 14 Oct 2022 11:12
Last Modified: 17 Oct 2022 06:30
URI: http://real.mtak.hu/id/eprint/151713

Actions (login required)

Edit Item Edit Item