Aspergillus awamori ameliorates the physicochemical characteristics and mineral profile of mung bean under salt stress

Ali, Raid; Gul, Humaira; Hamayun, Muhammad; Rauf, Mamoona; Iqbal, Amjad; Shah, Mohib; Bibi, Hamida; Lee, In‐Jung

doi:10.1186/s40538-021-00208-9

Cited by 27 publications

(12 citation statements)

References 45 publications

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“…Whereas total carbohydrate content dropped at 150 and 200 mM NaCl by 262.65 and 224.68 mg/gDW, respectively, which is agreed with Gowayed and Abd El-Moneim (2021) results, who stated that total carbohydrate content has not changed at 150 mM NaCl. Moreover, Ali et al (2021) recorded a reduction in the total carbohydrate in the saline condition, which agrees with our results. As the total carbohydrate is composed of soluble and insoluble carbohydrates, their content would be different under abiotic stresses.…”

Section: Discussionsupporting

confidence: 92%

The effect of salinity stress on the Phaseolus vulgaris L. plant

Al-huraby¹,

Bafeel²

2022

African Journal of Biological Sciences

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Soil salinity is one of the world's most important problems. Many studies have tried to find a solution to this problem. Therefore, this report aimed to determine the tolerance of salt concentrations for pole bean (Phaseolus vulgaris L.) plant growth naturally. The current experiment examined the effect of irrigation with saline water on seed germination and seedling growth. Seeds were grown in media containing 0.0, 50, 100, 150, and 200 mM NaCl. Therefore, the number of germinated seeds decreased according to the media concentration. 15-day-old pole bean seedlings were irrigated with saline water at different concentrations (0.0, 50, 100, 150, and 200 mM NaCl). Later, seedlings are watered with tap water for 15 days. After that, the soil and plant shoot samples were collected for analysis purposes. Our results showed that soil pH, EC, and moisture enhanced as salinity levels increased. The responses of pole bean plants to salt stress were documented. Pole bean shoots have gradually increased both soluble carbohydrates and protein content, with the increase of salt levels and free amino acids compared to control. However, photosynthetic pigments and carotenoids of the pole bean leaves were higher in control than under salt concentrations.

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Section: Discussionsupporting

confidence: 92%

The effect of salinity stress on the Phaseolus vulgaris L. plant

Al-huraby¹,

Bafeel²

2022

African Journal of Biological Sciences

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“…The application of such approaches is of specific interest in the conception of seedling’s response under drought stress and to gain knowledge for the success of reforestation programs based on woody species such as Pinus Halepensis [ 50 ], and M. oleifera. Among these approaches, the use of microbes, especially endophytic fungi are of key importance in different stresses alleviations, such as salinity, heavy metal, and waterlogging stresses by conferring the agronomic and adaptive benefits to the host plants under several abiotic stresses such as tenacious drought, adversative temperatures, soil salinity, waterlogging, and heavy metal toxicity [ 51 , 52 ].…”

Section: Discussionmentioning

confidence: 99%

Endophytic Fungal Consortia Enhance Basal Drought-Tolerance in Moringa oleifera by Upregulating the Antioxidant Enzyme (APX) through Heat Shock Factors

et al. 2022

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Global climate change has imposed harsh environmental conditions such as drought. Naturally, the most compatible fungal consortia operate synergistically to enhance plant growth and ecophysiological responses against abiotic strains. Yet, little is known about the interactions between phytohormone-producing endophytic fungal symbionts and plant growth under drought stress. The existing research was rationalized to recognize the role of newly isolated drought-resistant, antioxidant-rich endophytic fungal consortia hosting a xerophytic plant, Carthamus oxycantha L., inoculated to Moringa oleifera L. grown under drought stress of 8% PEG (polyethylene glycol-8000). Under drought stress, the combined inoculation of endophytic strain Microdochium majus (WA), Meyerozyma guilliermondi (TG), and Aspergillus aculeatus (TL3) exhibited a significant improvement in growth attributes such as shoot fresh weight (1.71-fold), shoot length (0.86-fold), root length (0.65-fold), dry weight (2.18-fold), total chlorophyll (0.46-fold), and carotenoids (0.87-fold) in comparison to control (8% PEG). Primary and secondary metabolites were also increased in M. oleifera inoculated with endophytic consortia, under drought stress, such as proteins (1.3-fold), sugars (0.58-fold), lipids (0.41-fold), phenols (0.36-fold), flavonoids (0.52-fold), proline (0.6-fold), indole acetic acid (IAA) (4.5-fold), gibberellic acid (GA) (0.7-fold), salicylic acid (SA) (0.8-fold), ascorbic acid (ASA) (1.85-fold), while abscisic acid (ABA) level was decreased (−0.61-fold) in comparison to the control (8% PEG). Under drought stress, combined inoculation (WA, TG, TL3) also promoted the antioxidant activities of enzymes such as ascorbate peroxidase (APX) (3.5-fold), catalase (CAT) activity (1.7-fold), and increased the total antioxidant capacity (TAC) (0.78-fold) with reduced reactive oxygen species (ROS) such as H2O2 production (-0.4-fold), compared to control (8% PEG), and stomatal aperture was larger (3.5-fold) with a lesser decrease (-0.02-fold) in water potential. Moreover, combined inoculation (WA, TG, TL3) up regulated the expression of MolHSF3, MolHSF19, and MolAPX genes in M. oleifera under drought stress, compared to the control (8% PEG), is suggestive of an important regulatory role for drought stress tolerance governed by fungal endophytes. The current research supports the exploitation of the compatible endophytic fungi for establishing the tripartite mutualistic symbiosis in M. oleifera to alleviate the adverse effects of drought stress through strong antioxidant activities.

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“…Total flavonoids were estimated as described by Ali et al ( 2021 ). For extract production, a 5-g leaf sample was macerated in 50 ml of 80% ethanol.…”

Section: Methodsmentioning

confidence: 99%

Growth-Promoting Endophytic Fungus (Stemphylium lycopersici) Ameliorates Salt Stress Tolerance in Maize by Balancing Ionic and Metabolic Status

et al. 2022

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Climate change is a major cause of the world's food security problems, and soil salinity is a severe hazard for a variety of crops. The exploitation of endophytic fungi that are known to have a positive association with plant roots is preferred for improving plant growth, yield, and overall performance under salt stress. The current study thus rationalized to address how salt stress affected the growth, biochemical properties, antioxidant capacity, endogenous indole-3-acetic acid (IAA), and the ionic status of maize associated with endophytic fungus (Stemphylium lycopersici). According to the findings, salt stress reduced chlorophyll a and b, total chlorophyll, total protein, sugars, lipids, and endogenous IAA levels. Enhanced values of chlorophyll a/b ratio, carotenoids, secondary metabolites (phenol, flavonoids, and tannins), antioxidant enzyme activity (catalase, ascorbate peroxidase), proline, and lipid peroxidation were noticed in maize plants under salt stress. Increased ionic content of Na+, Cl−, Na+/K+, and Na+/Ca2+ ratio, as well as decreased Ca2+, K+, Mg2+, N, and P contents, were also found in salt-stressed maize plants. In comparison to the non-saline medium, endophytic association promoted the antioxidant enzyme activities (798.7 U/g protein; catalase activity, 106 U/g protein; ascorbate peroxidase activity), IAA content (3.47 mg/g FW), and phenolics and flavonoids (88 and 1.68 μg/g FW, respectively), and decreased MDA content (0.016 nmol/g FW), Na+ ion content (18 mg/g dry weight), Cl− ion (16.6 mg/g dry weight), and Na+/K+ (0.78) and Na+/Ca2+ (1.79) ratios, in maize plants under salt stress, whereas Ca2+, K+, Mg2+, N, and P contents were increased in maize plants associated with S. lycopersici under salt stress. Current research exposed the role of S. lycopersici as an effective natural salt stress reducer and maize growth promoter; hence, it can be used as a biofertilizer to ameliorate salt stress tolerance in crops along with better growth performance in saline regions.

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Aspergillus awamori ameliorates the physicochemical characteristics and mineral profile of mung bean under salt stress

Cited by 27 publications

References 45 publications

The effect of salinity stress on the Phaseolus vulgaris L. plant

The effect of salinity stress on the Phaseolus vulgaris L. plant

Endophytic Fungal Consortia Enhance Basal Drought-Tolerance in Moringa oleifera by Upregulating the Antioxidant Enzyme (APX) through Heat Shock Factors

Growth-Promoting Endophytic Fungus (Stemphylium lycopersici) Ameliorates Salt Stress Tolerance in Maize by Balancing Ionic and Metabolic Status

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