The Impact of Salt Concentration on the Mineral Nutrition of Tetragonia tetragonioides

Bekmirzaev, Gulom; Ouddane, Baghdad; Beltrão, J.; Fujii, Yoshiharu

doi:10.3390/agriculture10060238

Cited by 16 publications

(13 citation statements)

References 43 publications

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“…Numerous reports have already been published on the diversity of salt-tolerant plant beneficial bacteria, including various species belonging to Acetobacter , Azospirillum , Arthrobacter , Bacillus , Pseudomonas , Rhizobium , Serratia , and Steretrophomonas [ 27 , 28 ]. They preferentially colonize the root system rich in nutrients due to exudates and form beneficial associations with the plants [ 10 , 22 , 29 ]. These microbes adopted various drought and salt stress strategies through several physiological acclimation mechanisms [ 30 ].…”

Section: Discussionmentioning

confidence: 99%

“…New Zealand spinach is also consumed as a vegetable or in salads and used for medicinal purposes [ 21 ]. Bekmirzaev et al [ 22 ] observed a salt tolerance of T. tetragonioides up to 200 mM NaCl and a high potential for removing sodium ions from the soil. Although several studies on growth, salt tolerance, and physiological traits of Tetragonia tetragonioides were already published, knowledge about endophytes or rhizobacteria associated with New Zealand spinach and their role in plant stress tolerance is still missing.…”

Section: Introductionmentioning

confidence: 99%

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Diversity and Plant Growth-Promoting Ability of Endophytic, Halotolerant Bacteria Associated with Tetragonia tetragonioides (Pall.) Kuntze

Egamberdieva

Alimov

Shurigin

et al. 2021

Plants

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The diversity of salt-tolerant cultivable endophytic bacteria associated with the halophyte New Zealand spinach (Tetragonia tetragonioides (Pall.) Kuntze) was studied, and their plant beneficial properties were evaluated. The bacteria isolated from leaves and roots belonged to Agrobacterium, Stenotrophomonas, Bacillus, Brevibacterium, Pseudomonas, Streptomyces, Pseudarthrobacter, Raoultella, Curtobacterium, and Pantoea. Isolates exhibited plant growth-promoting traits, including the production of a phytohormone (indole 3-acetic-acid), cell wall degrading enzymes, and hydrogen cyanide production. Furthermore, antifungal activity against the plant pathogenic fungi Fusarium solani, F. oxysporum, and Verticillium dahliae was detected. Ten out of twenty bacterial isolates were able to synthesize ACC deaminase, which plays a vital role in decreasing ethylene levels in plants. Regardless of the origin of isolated bacteria, root or leaf tissue, they stimulated plant root and shoot growth under 200 mM NaCl conditions. Our study suggests that halophytes such as New Zealand spinach are a promising source for isolating halotolerant plant-beneficial bacteria, which can be considered as potentially efficient biofertilizers in the bioremediation of salt-affected soils.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Diversity and Plant Growth-Promoting Ability of Endophytic, Halotolerant Bacteria Associated with Tetragonia tetragonioides (Pall.) Kuntze

Egamberdieva

Alimov

Shurigin

et al. 2021

Plants

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“…Growth retardation and the loss of fresh and dry weights from stems and leaves of plants under salinity stress have been observed in previous studies [45][46][47]. In addition, based on fresh and dry weights, it has been demonstrated in several studies that the shoot ratios of many plants increase under salinity stress [44,48,49].…”

Section: Discussionmentioning

confidence: 53%

“…In the second irrigation event, we observed that the electrical conductivity of the drainage water (EC w ) increased relative to that in the first irrigation event, then decreased steadily with further irrigation events. This can be attributed, first, to the assimilation of salts in the soil by salt-tolerant plants [38][39][40][41][42] and, second, to the process of salt leaching from the soil by irrigation [43,44].…”

Section: Discussionmentioning

confidence: 99%

Effects of Salinity on the Macro- and Micronutrient Contents of a Halophytic Plant Species (Portulaca oleracea L.)

Bekmirzaev

Ouddane

Beltrão

et al. 2021

Land

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The main purpose of the two consecutive experimental studies presented here was to compare the effect of salinity on nutrients in leaves of the halophytic plant species Portulaca oleracea L. and in soil. The first experiment was conducted to study the effect of salinity on plant growth, biomass accumulation, yield, root layer development, salt accumulation, and the dynamics of changes in mineral substances in plants and soil. In the second experiment, P. oleracea seeds were sown directly into salinized soil (treated immediately before plant growth) to determine the nutrient levels in leaves and soil. Three salinity treatments (saline water solution with NaCl: T1, 5 dS m−1; T2, 9.8 dS m−1; and T3, 20 dS m−1) and a control treatment (T0, 1 dS m−1) were used in the first experiment. The soil in the second experiment was used in a previous study (performed immediately before P. oleracea growth) (salinized soil: T1, 7.2 dS m−1; T2, 8.8 dS m−1; T3, 15.6 dS m−1; T0, 1.9 dS m−1). The plants were irrigated with tap water at amounts in the range of 0.25–0.50 L/pot. Analysis of the experimental results showed that P. oleracea is resistant to salinity, is able to remove ions (400–500 kg ha−1 NaCl), and can be grown in saline soil. The results indicated that P. oleracea is able to grow in high-salinity soil. This finding was confirmed by the dry matter obtained under high-salinity conditions. Salinity stress affected nutrient uptake in leaves and soil.

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“…According to a report in 2020, nearly 800 million hectares of land have been faced with saline problems [2]. Unfortunately, it is predicted that salinity will continue to spread to other parts of the world in the near future as a consequence of climate change and inappropriate farming practices [3]. It is known that under stress conditions, various biological processes in plants are negatively affected, including reduction in shoot growth, photosynthesis and biomass accumulation; promotion of senescence; and decrease in seed quantity and quality [4][5][6].…”

Section: Introductionmentioning

confidence: 99%

The Drought-Mediated Soybean GmNAC085 Functions as a Positive Regulator of Plant Response to Salinity

Hoang

Chuong

Hoa

et al. 2021

IJMS

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Abiotic stress factors, such as drought and salinity, are known to negatively affect plant growth and development. To cope with these adverse conditions, plants have utilized certain defense mechanisms involved in various aspects, including morphological, biochemical and molecular alterations. Particularly, a great deal of evidence for the biological importance of the plant-specific NAM, ATAF1/2, CUC2 (NAC) transcription factors (TFs) in plant adaptation to abiotic stress conditions has been reported. A previous in planta study conducted by our research group demonstrated that soybean (Glycine max) GmNAC085 mediated drought resistance in transgenic Arabidopsis plants. In this study, further characterization of GmNAC085 function in association with salt stress was performed. The findings revealed that under this condition, transgenic soybean plants overexpressing GmNAC085 displayed better germination rates than wild-type plants. In addition, biochemical and transcriptional analyses showed that the transgenic plants acquired a better defense system against salinity-induced oxidative stress, with higher activities of antioxidant enzymes responsible for scavenging hydrogen peroxide or superoxide radicals. Higher transcript levels of several key stress-responsive genes involved in the proline biosynthetic pathway, sodium ion transporter and accumulation of dehydrins were also observed, indicating better osmoprotection and more efficient ion regulation capacity in the transgenic lines. Taken together, these findings and our previous report indicate that GmNAC085 may play a role as a positive regulator in plant adaptation to drought and salinity conditions.

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The Impact of Salt Concentration on the Mineral Nutrition of Tetragonia tetragonioides

Cited by 16 publications

References 43 publications

Diversity and Plant Growth-Promoting Ability of Endophytic, Halotolerant Bacteria Associated with Tetragonia tetragonioides (Pall.) Kuntze

Diversity and Plant Growth-Promoting Ability of Endophytic, Halotolerant Bacteria Associated with Tetragonia tetragonioides (Pall.) Kuntze

Effects of Salinity on the Macro- and Micronutrient Contents of a Halophytic Plant Species (Portulaca oleracea L.)

The Drought-Mediated Soybean GmNAC085 Functions as a Positive Regulator of Plant Response to Salinity

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