Differential responses of antioxidative enzymes and lipid peroxidation to salt stress in salt-tolerant Plantago maritima and salt-sensitive Plantago media

2007 ◽  
Vol 131 (3) ◽  
pp. 399-411 ◽  
Author(s):  
Aşkım Hediye Sekmen ◽  
İsmail Türkan ◽  
Susumu Takio
Keyword(s):  
Lipid Peroxidation ◽  
Salt Stress ◽  
Antioxidative Enzymes ◽  
Salt Tolerant ◽  
Plantago Media ◽  
Differential Responses

scholarly journals Effects of salt stress on lipid peroxidation and antioxidative enzymes of alfalfa (Medicago sativa L.) cultivars

2015 ◽  
Vol 43 (2) ◽  
pp. 191-196
Author(s):  
Ensieh Ashrafi ◽  
Morteza Zahedi ◽  
Jamshid Razmjoo
Keyword(s):  
Lipid Peroxidation ◽  
Salt Stress ◽  
Salt Tolerance ◽  
Medicago Sativa ◽  
Antioxidative Enzymes ◽  
Enzyme Activities ◽  
Seedling Stage ◽  
Salt Tolerant ◽  
Mda Content ◽  
Medicago Sativa L

The effect of salt stress on enzyme activities of nine alfalfa cultivars at germination and seedling stage was studied. The activities of SOD, GR, POX and APOX were higher in salt tolerant and lower in salt sensitive cultivars. Results of the effect of salt stress on the SOD, GR, POX, APOX activities and MDA content may be used to select salt tolerance cultivars at the germination and seedling stages. SOD, GR, POX, APOX and MDA may play an important role in salt tolerant mechanisms in alfalfa. DOI: http://dx.doi.org/10.3329/bjb.v43i2.21672 Bangladesh J. Bot. 43(2): 191-196, 2014 (September)

Effect of salt stress on antioxidative enzymes and lipid peroxidation in leaves and roots of salt-tolerant and salt-sensitive maize genotypes

2006 ◽  
Vol 56 (1) ◽  
pp. 87-94 ◽  
Author(s):  
André Dias de Azevedo Neto ◽  
José Tarquinio Prisco ◽  
Joaquim Enéas-Filho ◽  
Carlos Eduardo Braga de Abreu ◽  
Enéas Gomes-Filho
Keyword(s):  
Lipid Peroxidation ◽  
Salt Stress ◽  
Antioxidative Enzymes ◽  
Salt Tolerant ◽  
Maize Genotypes ◽  
Leaves And Roots

scholarly journals Differential responses of growth, chlorophyll content, lipid peroxidation and accumulation of compatible solutes to salt stress in peanut (Arachis hypogaea L.) cultivars

2014 ◽  
Vol 13 (50) ◽  
pp. 4577-4585 ◽  
Author(s):  
Liliane Tekam Meguekam ◽  
Victor Desire Taffouo ◽  
Marius-Nicusor Grigore ◽  
Magdalena Maria Zamfirache ◽  
Emmanuel Youmbi ◽  
...  
Keyword(s):  
Lipid Peroxidation ◽  
Salt Stress ◽  
Chlorophyll Content ◽  
Arachis Hypogaea ◽  
Compatible Solutes ◽  
Arachis Hypogaea L ◽  
Differential Responses

scholarly journals Assessing the Adaptive Mechanisms of Two Bread Wheat (Triticum aestivum L.) Genotypes to Salinity Stress

Agronomy ◽  
2021 ◽  
Vol 11 (10) ◽  
pp. 1979
Author(s):  
Ulkar Ibrahimova ◽  
Zarifa Suleymanova ◽  
Marian Brestic ◽  
Alamdar Mammadov ◽  
Omar M. Ali ◽  
...  
Keyword(s):  
Lipid Peroxidation ◽  
Triticum Aestivum ◽  
Salt Stress ◽  
Salinity Stress ◽  
Osmotic Potential ◽  
Soluble Sugars ◽  
Triticum Aestivum L ◽  
Salt Tolerant ◽  
Wheat Genotypes ◽  
Tolerant Genotype

This work deals with the assessment of physiological and biochemical responses to salt stress, as well as the regulation of the expression of the K+/Na+ transporter gene-TaHKT1;5 of two Triticum aestivum L. genotypes with contrasting tolerance. According to the observations, salinity stress caused lipid peroxidation; accumulation of soluble sugars and proline; decreased osmotic potential, Fv/Fm value, and K+/Na+ ratio; and increased the activity of antioxidant enzymes in both genotypes. In the salt-tolerant genotype, the activity of enzymes, the amounts of soluble sugars and proline were higher, the osmotic potential and the lipid peroxidation were lower than in the sensitive one, and the Fv/Fm value remained unchanged. A comparison of the accumulation of Na+ and K+ ions in the roots and leaves showed that the Na+ content in the leaves is lower. The selective transport of K+ ions from roots to leaves was more efficient in the salt-tolerant genotype Mirbashir-128; consequently, the K+/Na+ ratio in the leaves and roots of this genotype was higher compared with the sensitive Fatima genotype. The semi-quantitative RT-PCR expression experiments on TaHKT1;5 indicated that this gene was not expressed in the leaf of the wheat genotypes. Under salt stress, the expression level of the TaHKT1;5 gene increased in the root tissues of the salt-sensitive genotype, while it decreased in the salt-tolerant wheat genotype. The results obtained suggest that the ion status and salt tolerance of the wheat genotypes are related to the TaHKT1;5 gene activity.

The regulation of antioxidant enzymes in two Plantago species differing in salinity tolerance under combination of waterlogging and salinity

2013 ◽  
Vol 40 (5) ◽  
pp. 484 ◽  
Author(s):  
Ismail Turkan ◽  
Tijen Demiral ◽  
Askim Hediye Sekmen
Keyword(s):  
Lipid Peroxidation ◽  
Salinity Treatment ◽  
Salt Tolerant ◽  
Tolerance Mechanism ◽  
Saline Wetlands ◽  
The World ◽  
Relative Water ◽  
Leaf Relative Water Content ◽  
Plantago Media ◽  
Waterlogging Treatment

Natural waterlogging affects vegetation dynamics in many areas of the world. Goose-tongue (Plantago spp.) plants include diverse group of species differing in salt tolerance, some of which are adapted to live in saline wetlands, which makes the genus Plantago a good model for comparative studies on the responses to waterlogging and salinity stresses. The aim of this study was to determine how waterlogging in combination with 200 mM NaCl affect the tolerance mechanism of Plantago maritima L. (salt-tolerant) and Plantago media L. (salt-sensitive). Combination of salinity and waterlogging treatments (WLS) decreased shoot and root dry weights (DW) and leaf relative water content (RWC) of both P. maritima and P. media and these decreases were more dramatic in the latter. Lipid peroxidation level as measured by thiobarbutiric acid reactive substances (TBARS) content was increased in P. maritima by the combined salinity and waterlogging treatment, whereas in P. media it was increased by all stress treatments applied. Peroxidases (POX), ascorbate peroxidase (APX), catalase (CAT) and glutathione reductase (GR) activities of P. maritima were increased whereas only POX and CAT activities of P. media were increased by salinity treatment alone. WLS treatment increased POX, APX and GR activities but did not affect CAT activities of both Plantago species. NADPH oxidase (NOX) activity did not seem to have any effect to control the level of lipid peroxidation. This study is the first to demonstrate that increased antioxidant activity protected against lipid peroxidation resulting from waterlogging and salinity stresses. In conclusion, we suggest that a salt-tolerant species would also have a higher tolerance of the combination of waterlogging and salinity stress than a salt-sensitive one.

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