Acetic acid: a cost-effective agent for mitigation of seawater-induced salt toxicity in mung bean

Rahman, Md. Mezanur; Mostofa, Mohammad Golam; Islam, Tofazzal; Keya, Sanjida Sultana; Das, Ashim Kumar; Miah, Md. Giashuddin; Kawser, A. Q. M. Robiul; Ahsan, S. M.; Hashem, Abeer; Tabassum, Baby; Tran, Lam-Son Phan

doi:10.1038/s41598-019-51178-w

Cited by 84 publications

(94 citation statements)

References 74 publications

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“…This growth reduction eventually contributed to the significant yield loss of faba bean plants (Table 1). Similar findings were also reported in other legumes like Vigna radiata [13], Cicer arietinum [57], Lupinus albus [58], and Vicia faba [59] under saltstress condition. On the other hand, foliar applications of IAA resuscitated the growth performance of salt-stressed faba bean plants as shown by improved morphological at-…”

Section: Discussionsupporting

confidence: 89%

“…Various morpho-physiological and biochemical alterations emerge due to the ionic misbalance in plants, especially at early growth stages [12]. Salinity-induced water insufficiency and nutrient such as Ca 2+ , K + , Fe 2+ , and Zn 2+ deficiency within plants leads to photosynthesis disruption and oxidative stress [13]. Overall, salinity causes the reduction of leaf area, stomatal conductance, and chlorophyll levels in the plants [14] and promotes the generation of reactive oxygen species (ROS) [15].…”

Section: Introductionmentioning

confidence: 99%

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Foliar Application of Auxin or Cytokinin Can Confer Salinity Stress Tolerance in Vicia faba L.

2021

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Soil salinity severely declines the availability of water and essential minerals to the plants, which hinders growth. The present study evaluates the potential roles of indole-3-acetic acid (IAA) and 6-benzyladenine (BA) for mitigating the adverse effects of soil-salinity in faba bean (Vicia faba L.). Plants were exposed to 150 mM NaCl stress and were sprayed with IAA (1.15 mM) or BA (0.9 mM). Our results revealed that foliar application of IAA or BA improved the growth traits of salinized faba bean due to the increased uptake of K+, Ca2+, and Mg2+ ions, accumulation of free amino acids, soluble sugars, and soluble proteins, and activity of superoxide dismutase, catalase, peroxidase, and ascorbate peroxidase. The principal component analysis (PCA) and heatmap clustering indicated that salinity-exposed plants exhibited lower growth and biomass production, which correlated with higher accumulation of Na+ and malondialdehyde. Moreover, electrophoretic patterns of protein showed new bands in IAA- or BA-treated salt-stressed plants, indicating that IAA or BA treatment can reprogram the metabolic processes to confer salinity tolerance. We also found that IAA has a greater capacity to ameliorate the salt stress than BA, although there is no significant difference in yield between these treatments. Finally, these findings can be helpful for a better understanding of IAA- and BA-mediated salt tolerance mechanisms and increasing production of faba bean in saline soils.

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Section: Discussionsupporting

confidence: 89%

Section: Introductionmentioning

confidence: 99%

Foliar Application of Auxin or Cytokinin Can Confer Salinity Stress Tolerance in Vicia faba L.

2021

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“…In our study, lower H 2 O 2 contents in drought-treated EX plants were observed (Figure 4b), which might be attributed to the higher CAT activities detected in the EX lines in comparison with WT plants under drought (Figure 4c). As SOD provide the first layer of antioxidant defense by dismutating superoxide radicals, the observation of enhanced SOD activities in the EX lines, when compared with that of WT plants, suggests the more pronounced protection of the EX lines from oxidative stress (Figure 4c) [85,87,88]. Furthermore, the higher degree of induction in CSD1 and CAT2 expression under dehydration conditions in the GmNAC109 -EX lines compared with that of WT indicates a positive relationship between the enzyme activities and gene expression levels under water deficit conditions (Figure 4c,d).…”

Section: Discussionmentioning

confidence: 99%

Ectopic Expression of Glycine max GmNAC109 Enhances Drought Tolerance and ABA Sensitivity in Arabidopsis

et al. 2019

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The NAC (NAM, ATAF1/2, CUC2) transcription factors are widely known for their various functions in plant development and stress tolerance. Previous studies have demonstrated that genetic engineering can be applied to enhance drought tolerance via overexpression/ectopic expression of NAC genes. In the present study, the dehydration- and drought-inducible GmNAC109 from Glycine max was ectopically expressed in Arabidopsis (GmNAC109-EX) plants to study its biological functions in mediating plant adaptation to water deficit conditions. Results revealed an improved drought tolerance in the transgenic plants, which displayed greater recovery rates by 20% to 54% than did the wild-type plants. In support of this finding, GmNAC109-EX plants exhibited lower water loss rates and decreased endogenous hydrogen peroxide production in leaf tissues under drought, as well as higher sensitivity to exogenous abscisic acid (ABA) treatment at germination and early seedling development stages. In addition, analyses of antioxidant enzymes indicated that GmNAC109-EX plants possessed stronger activities of superoxide dismutase and catalase under drought stress. These results together demonstrated that GmNAC109 acts as a positive transcriptional regulator in the ABA-signaling pathway, enabling plants to cope with adverse water deficit conditions.

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“…Application of exogenous phytohormones including CK has been proven as a promising sight in the alleviation of the adverse effects of salt toxicity in several vegetables and crops, such as brinjal (Solanum melongena Mill. ), soybean (Glycine max L.), mung bean (Cucumis sativus L.), rice (Oryza sativa L.) and maize (Zea mays L.) (Hadiarto and Tran, 2011;Javid et al, 2011a;Wu et al, 2014;Fahad et al, 2015;Tahjib-Ul-Arif et al, 2018b;Akram et al, 2019;Rahman et al, 2019). An important synthetic CK, BA has been recognized as the potential stress-mitigating phytohormones to the scientific community.…”

Section: Discussionmentioning

confidence: 99%

Mitigation of salinity stress by exogenous application of cytokinin in faba bean (Vicia faba L.)

Latef

Hasanuzzaman

Tahjib‐Ul‐Arif

2021

Not Bot Horti Agrobo

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Soil salinity limits agricultural land use and crop productivity, thereby a major threat to global food safety. Plants treated with several phytohormones including cytokinins were recently proved as a powerful tool to enhance plant’s adaptation against various abiotic stresses. The current study was designed to investigate the potential role of 6-benzyladenine (BA) to improve broad bean (Vicia faba L.) salinity tolerance. The salt-stressed broad bean plantlets were classified into two groups, one of which was sprayed with water and another was sprayed with 200 ppm of BA. Foliar applications of BA to salt-exposed plants promoted the growth performance which was evidenced by enhanced root-shoot fresh and dry biomass. Reduced proline was strongly connected to the enhanced soluble proteins and free amino acids contents, protecting plant osmotic potential following BA treatment in salt-stressed broad bean. BA balanced entire mineral homeostasis and improved mineral absorption and translocation from roots to shoots, shoots to seeds and roots to seeds in salt-stressed plants. Excessive salt accumulation increased malondialdehyde level in leaves creating oxidative stress and disrupting cell membrane whereas BA supplementation reduced lipid peroxidation and improved oxidative defence. BA spray to salinity-stressed plants also compensated oxidative damage by boosting antioxidants defence mechanisms, as increased the enzymatic activity of superoxide dismutase, catalase, peroxidase and ascorbate peroxidase. Moreover, clustering heatmap and principal component analysis revealed that mineral imbalances, osmotic impairments and increased oxidative damage were the major contributors to salts toxicity, on the contrary, BA-augmented mineral homeostasis and higher antioxidant capacity were the reliable markers for creating salinity stress tolerance in broad bean. In conclusion, the exogenous application of BA alleviated the antagonistic effect of salinity and possessed broad bean to positively regulate the osmoprotectants, ion homeostasis, antioxidant activity and finally plant growth and yield, perhaps suggesting these easily-accessible and eco-friendly organic compounds could be powerful tools for the management of broad bean growth as well as the development of plant resiliency in saline prone soils.

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Acetic acid: a cost-effective agent for mitigation of seawater-induced salt toxicity in mung bean

Cited by 84 publications

References 74 publications

Foliar Application of Auxin or Cytokinin Can Confer Salinity Stress Tolerance in Vicia faba L.

Foliar Application of Auxin or Cytokinin Can Confer Salinity Stress Tolerance in Vicia faba L.

Ectopic Expression of Glycine max GmNAC109 Enhances Drought Tolerance and ABA Sensitivity in Arabidopsis

Mitigation of salinity stress by exogenous application of cytokinin in faba bean (Vicia faba L.)

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