Effect of salt stress on physiological and antioxidative responses in two species of Salicornia (S. persica and S. europaea)

Aghaleh, Mohammad; Niknam, Vahid; Ebrahimzadeh, Homeira; Razavi, Khadijeh

doi:10.1007/s11738-010-0656-x

Cited by 59 publications

(51 citation statements)

References 49 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Superoxide dismutase plays a key role in cellular defense mechanisms against ROS. Its activity modulates the relative amounts of O2 -and H2O2, and decreases the risk of OH• radical formation, which is highly reactive and may cause severe damage to membranes, protein and DNA (Aghaleh et al, 2011). In this work, salt stress significantly (P < 0.05) increased SOD activity in root of both cultivars (Figure 4), which could be a build-up of a protective mechanism to reduce oxidative damage triggered by salt stress (Sairam et al, 2005;Wang and Han, 2009).…”

Section: Resultssupporting

confidence: 49%

Recovery of root growth and physiological characters in cotton after salt stress relief

Guo¹,

Peitong²,

Li³

et al. 2015

Chilean J. Agric. Res.

View full text Add to dashboard Cite

Crop growth in a saline environment depends on its tolerance to salt stress and capacity to recover after salt stress relief. To evaluate recovery mechanisms in cotton after salt stress relief, the changes of plants growth, root vigor, lipid peroxidation, antioxidant enzymes activity, organic solutes in root after salt stress relief were studied for two cotton (Gossypium hirsutum L.) cultivars (Lumianyan 37 and Sumian 22) grown under control (salt content of soil grown cotton was maintained at 0.2%), salt stressed (salt content of soil grown cotton was maintained at 0.5%) and salt recovered (salt content of soil grown cotton was reduced from 0.5% to 0.2% level at the 57 d after seeding) conditions. The results showed that root and shoot growth rate and root vigor significantly increased after salt stress relief, and the increase in growth rate and root vigor was more pronounced in 'Lumianyan 37'. In salt-recovered root, malondialdehyde (MDA) content decrease, the activities of superoxide dismutase (SOD) and peroxidase (POD) decreased, but catalase (CAT) activity increased compared with those in the salt-stressed root. For salt-recovered root, MDA content and POD activity of 'Lumianyan 37' was lower, while the SOD and CAT activities were higher. Salt-recovered cotton root showed a decrease in soluble sugar and free amino acid content compared with the salt-stressed root, especially in 'Lumianyan 37'. The results indicated that growth and root metabolism of cotton plants gradually recovered after salt stress relief, and the high capacity of cotton plants to recover after salt stress relief may be related to the high capacity of antioxidative system and the high utilization capacity of organic solutes as important nutritional components in root.

show abstract

Section: Resultssupporting

confidence: 49%

Recovery of root growth and physiological characters in cotton after salt stress relief

Guo¹,

Peitong²,

Li³

et al. 2015

Chilean J. Agric. Res.

View full text Add to dashboard Cite

show abstract

“…It may be concluded that all the three halophytes were similar in their sensitivity to salinity. At high salinity, growth reduction might either be caused by a reduced ability to adjust osmotic potential, consequently this results in saturation of solute uptake system, or because of excessive demand for energy requirements of such systems (Aghaleh et al 2011). Furthermore, increased soluble protein content was observed maximum in Z. simplex and lowest in T. triquetra callus cultures at lower salinity stress.…”

Section: Discussionmentioning

confidence: 97%

“…Plants have evolved adaptive mechanisms which can be understood and exploited as an important resource for development of crops tolerant to extremities (Lokhande & Suprasanna 2012). Halophytic species that live under conditions of high salinity exhibit succulence by altering their energy metabolism (Aghaleh et al 2011) and salinity tolerance in the form of osmotic adjustment (Flowers & Colmer 2008).…”

Section: Introductionmentioning

confidence: 99%

Salt stress enhanced antioxidant response in callus of three halophytes (Salsola baryosma, Trianthema triquetra, Zygophyllum simplex) of Thar Desert

Sharma

Ramawat

2013

Biologia

View full text Add to dashboard Cite

Effects of salinity on growth, protein content, proline, catalase and antioxidant enzyme activity in callus of three halophytes of the Thar Desert; Salsola baryosma, Trianthema triquetra and Zygophyllum simplex were evaluated. Callus tissues were cultured on Murashige and Skoog's medium containing different concentrations of NaCl (50, 100 and 200 mM). Increase in dry weight and soluble proteins were observed in the callus exposed to lower salinity (50 and 100 mM NaCl) in all the three species, whereas on the medium containing 200 mM NaCl, significant decrease in these two growth parameters was recorded. Under the salinity stress maximum proline accumulation was found in S. baryosma with parallel increase in soluble sugars. Among the three species, T. triquetra callus showed maximum CAT activity with 50 and 100 mM NaCl treatment, whereas the enzyme activity decreased at 200 mM NaCl treatment in all three species. The antioxidant potential steadily elevated under salt treatment in all the above three species using 1, 1-diphenyl-2-picrylhydrazyl (DPPH) and ferric reducing antioxidant potential (FRAP) assay. Whereas, superoxide dismutase (SOD) quenching were recorded maximum at low (50 and 100 mM) concentrations in all the three species. However, T. triquetra callus showed maximum total phenolic content (TPC) 15 mg GAE g −1 with the elevated concentration of NaCl up to 200 mM, and S. baryosma callus showed lower TPC as compared to both species. A significant correlation between antioxidant capacity and TPC was observed indicating that phenolic compounds are the major contributors to the antioxidant potential in these halophyte species. FRAP and DPPH activity of Z. simplex showed maximum correlation (R = 0.992), as compared to other two species. We can conclude that all the three species exhibit a protection mechanism by sustaining growth parameters and antioxidant capacity. Due to high antioxidant property of all these species, the plant extracts may be included in nutraceutical formulations.

show abstract

“…These defense mechanisms include antioxidant systems (Li et al, 2009;Aghaleh et al, 2010) and osmotic adjustment (by increasing of compatible metabolites) (Hongbo et al, 2006). Plant antioxidants contain enzymatic and non-enzymatic systems.…”

Section: Methodsmentioning

confidence: 99%

Antioxidant and carbohydrate changes of two pomegranate cultivars under deficit irrigation stress

Ebtedaie

Shekafandeh

2017

Span. j. agric. res.

View full text Add to dashboard Cite

The purpose of this study was to evaluate the biochemical responses to water stress tolerance of two pomegranate cultivars, 'Rabbab' and 'Shishehgap'. After the establishment of rooted stem cuttings of both cultivars under greenhouse conditions, they were treated with four levels of deficit irrigations (100%, 75%, 50% and 25% of field capacity) in a completely randomized design with four replications. The results showed a significant difference between the two cultivars regarding antioxidant enzymes activities. In both cultivars, the water stress increased the activity of superoxide dismutase, catalase and ascorbate peroxidase. However, at high water deficit (25% field capacity, FC), 'Rabbab' showed significantly higher enzyme activity than 'Shishehgap'. In each level of irrigation, there were not considerable differences in peroxidase activity between the two cultivars. An increment of 162% and 65.5% in soluble sugar was gained at 50% FC in 'Rabbab' and 'Shishehgap', respectively. 'Rabbab' showed better growth performance in each level of irrigation than 'Shishehgap'. Therefore, it can be concluded that 'Rabbab', with lesser decline in leaf relative water content (RWC), a strong antioxidant system and accumulation of more soluble carbohydrates, can resist higher water stress than 'Shishehgap'.Additional key words: field capacity; enzyme activity; Punica granatum L.; water stress. Abbreviation used: APX (ascorbate peroxidase); CAT (catalase); DW (dry weight); FC (field capacity); FW (fresh weight); NBT (nitro blue tetrazolium); POD (peroxidase); ROS (reactive oxygen species); RWC (leaf relative water content); SOD (superoxide dismutase).

show abstract

Effect of salt stress on physiological and antioxidative responses in two species of Salicornia (S. persica and S. europaea)

Cited by 59 publications

References 49 publications

Recovery of root growth and physiological characters in cotton after salt stress relief

Recovery of root growth and physiological characters in cotton after salt stress relief

Salt stress enhanced antioxidant response in callus of three halophytes (Salsola baryosma, Trianthema triquetra, Zygophyllum simplex) of Thar Desert

Antioxidant and carbohydrate changes of two pomegranate cultivars under deficit irrigation stress

Contact Info

Product

Resources

About