Ameliorative Impact of an Extract of the Halophyte Arthrocnemum macrostachyum on Growth and Biochemical Parameters of Soybean Under Salinity Stress

Osman, Mona A.; Badawy, Ali A.; Osman, Ahmed I.; Latef, Arafat Abdel Hamed Abdel

doi:10.1007/s00344-020-10185-2

Cited by 73 publications

(56 citation statements)

References 65 publications

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“…et al, 2020 ; Abdelaal K.A.A. et al, 2020 ; Osman et al, 2020 ), as well as prokaryotes such as cyanobacteria, and their mechanisms of tolerance to high salinity ( Joset et al, 1996 ; Lu et al, 2006 ; Rao et al, 2007 ). These studies demonstrated that plants and algae respond to salt stress by inducing antioxidant metabolites and enzymes.…”

Section: Introductionmentioning

confidence: 99%

Salinity Stress Enhances the Antioxidant Capacity of Bacillus and Planococcus Species Isolated From Saline Lake Environment

et al. 2020

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This study aims at exploiting salinity stress as an innovative, simple, and cheap method to enhance the production of antioxidant metabolites and enzymes from bacteria for potential application as functional additives to foods and pharmaceuticals. We investigated the physiological and biochemical responses of four bacterial isolates, which exhibited high tolerance to 20% NaCl (wt/vol), out of 27 bacterial strains isolated from Aushazia Lake, Qassim region, Saudi Arabia. The phylogenetic analysis of the 16S rRNA genes of these four isolates indicated that strains ST1 and ST2 belong to genus Bacillus, whereas strains ST3 and ST4 belong to genus Planococcus. Salinity stress differentially induced oxidative damage, where strains ST3 and ST4 showed increased lipid peroxidation, lipoxygenase, and xanthine oxidase levels. Consequently, high antioxidant contents were produced to control oxidative stress, particularly in ST3 and ST4. These two Planococcus strains showed increased glutathione cycle, phenols, flavonoids, antioxidant capacity, catalase, and/or superoxide dismutase (SOD). Interestingly, the production of glutathione by Planococcus strains was some thousand folds greater than by higher plants. On the other hand, the induction of antioxidants in ST1 and ST2 was restricted to phenols, flavonoids, peroxidase, glutaredoxin, and/or SOD. The hierarchical analysis also supported strain-specific responses. This is the first report that exploited salinity stress for promoting the production of antioxidants from bacterial isolates, which can be utilized as postbiotics for promising applications in foods and pharmaceuticals.

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Section: Introductionmentioning

confidence: 99%

Salinity Stress Enhances the Antioxidant Capacity of Bacillus and Planococcus Species Isolated From Saline Lake Environment

et al. 2020

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“…In recent years, light has been shed on the use of natural sources and microorganisms (bacteria, fungi, algae, plant extracts, etc.) to cope with salt stress and mitigate its harmful effects on plant life [ 4 , 7 , 39 , 40 , 41 , 42 ]. PGPB have the colossal ability to lessen salt stress and improve plant development, playing a critical role in food security by boosting the productivity of crops.…”

Section: Discussionmentioning

confidence: 99%

“…Salinity of the soil limits crop plants’ productivity depending on the crop plants’ sensitivity to salts concentrations. Salt-stressed soils reduce plant growth [ 6 , 7 ]. They can also interfere with nitrogen (N) nutrition in the plant in direct or indirect ways, usually at the inorganic nitrogen compounds’ assimilation pathway.…”

Section: Introductionmentioning

confidence: 99%

“…Besides, where high concentrations of salts are present in soils, the capacity for NO 3 leaching in soil may boost because the plants’ efficiency in absorbing or utilizing the applied N from the soil is reduced under salinity stress [ 8 ]. One of the most severe problems that depend on salinity is the accumulation of reactive oxygen species (ROS) that leads to oxidative stress causing oxidative damage of proteins, pigments, and DNA of salt-stressed plants [ 7 , 9 , 10 , 11 ]. The higher concentration of salt in soil affects the plant’s potency and efficiency to absorb water and essential nutrients by roots.…”

Section: Introductionmentioning

confidence: 99%

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Strategy of Salt Tolerance and Interactive Impact of Azotobacter chroococcum and/or Alcaligenes faecalis Inoculation on Canola (Brassica napus L.) Plants Grown in Saline Soil

Latef

Omer

Badawy

et al. 2021

Plants

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A pot experiment was designed and performed in a completely randomized block design (CRBD) to determine the main effect of two plant growth-promoting rhizobacteria (PGPR) and their co-inoculation on growth criteria and physio-biochemical attributes of canola plants (Brassica napus L.) plant grown in saline soil. The results showed that inoculation with two PGPR (Azotobacter chroococcum and/or Alcaligenes faecalis) energized the growth parameters and photosynthetic pigments of stressed plants. Moreover, soluble sugars’ and proteins’ contents were boosted due to the treatments mentioned above. Proline, malondialdehyde (MDA), and hydrogen peroxide (H2O2) contents were markedly declined. At the same time, antioxidant enzymes, viz. superoxide dismutase (SOD), ascorbate peroxidase (APX), and peroxidase (POD), were augmented due to the inoculation with Azotobacter chroococcum and/or Alcaligenes faecalis. Regarding minerals’ uptake, there was a decline in sodium (Na) and an increase in nitrogen (N), potassium (K), calcium (Ca), and magnesium (Mg) uptake due to the application of either individual or co-inoculation with the mentioned bacterial isolates. This study showed that co-inoculation with Azotobacter chroococcum and Alcaligenes faecalis was the most effective treatment and could be considered a premium tool used in facing environmental problems, especially saline soils.

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“…Halophytes are salt-loving plants that possess an exceptional adaptation mechanism to abiotic stressors. Arthrocnemum macrostachyum (a coastal halophyte of Amaranthaceae) foliar extract application minimized the negative impacts of chloride salinity on soybean plants by increasing the proline, total free amino acids, total phenols, and ascorbic acid content ( Osman et al, 2020 ).…”

Section: Introductionmentioning

confidence: 99%

Differential Impact of Salinity Stress on Seeds Minerals, Storage Proteins, Fatty Acids, and Squalene Composition of New Quinoa Genotype, Grown in Hyper-Arid Desert Environments

Toderich

Mamadrahimov

Khaitov³

et al. 2020

Front. Plant Sci.

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The effects of climate change and soil salinization on dryland ecosystems are already widespread, and ensuring food security is a crucial challenge. In this article, we demonstrate changes in growth performance and seed quality of a new high-yielding quinoa genotype (Q5) exposed to sodium chloride (NaCl), sodium sulfate (Na2SO4), and mixed salts (NaCl + Na2SO4). Differential responses to salt stress in growth performance, seed yield, and seed quality were identified. High salinity (mixed Na2SO4 + NaCl) reduces plant height by ∼30%, shoot and root dry weights by ∼29%, head panicle length and panicle weight by 36–43%, and seed yield by 37%, compared with control conditions. However, the 1,000-seed weight changes insignificantly under salinity. High content of essential minerals, such as Fe, Zn, and Ca in quinoa Q5 seeds produced under salinity, gives the Q5 genotype a remarkable advantage for human consumption. Biomarkers detected in our studies show that the content of most essential amino acids is unchanged under salinity. The content of amino acids Pro, Gly, and Ile positively correlates with Na+ concentration in soil and seeds, whereas the content of squalene and most fatty acids negatively correlates. Variation in squalene content under increasing salinity is most likely due to toxic effects of sodium and chlorine ions as a result of the decrease in membrane permeability for ion movement as a protective reaction to an increase in the sodium ion concentration. Low squalene accumulation might also occur to redirect the NADPH cofactor to enhance the biosynthesis of proline in response to salinity, as both syntheses (squalene and proline) require NADPH. This evidence can potentially be used by the food and pharmaceutical industries in the development of new food and health products.

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Ameliorative Impact of an Extract of the Halophyte Arthrocnemum macrostachyum on Growth and Biochemical Parameters of Soybean Under Salinity Stress

Cited by 73 publications

References 65 publications

Salinity Stress Enhances the Antioxidant Capacity of Bacillus and Planococcus Species Isolated From Saline Lake Environment

Salinity Stress Enhances the Antioxidant Capacity of Bacillus and Planococcus Species Isolated From Saline Lake Environment

Strategy of Salt Tolerance and Interactive Impact of Azotobacter chroococcum and/or Alcaligenes faecalis Inoculation on Canola (Brassica napus L.) Plants Grown in Saline Soil

Differential Impact of Salinity Stress on Seeds Minerals, Storage Proteins, Fatty Acids, and Squalene Composition of New Quinoa Genotype, Grown in Hyper-Arid Desert Environments

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