Role of melatonin in improving leaf mineral content and growth of sweet corn seedlings under different soil salinity levels

Sezer, İsmail; Öztürk, Elif; Subrata, Bhaskara Anggarda Gathot; Osman, Hussein Mohamed; Akay, Hasan; Arslan, Hakan

doi:10.1016/j.scienta.2021.110376

Cited by 39 publications

(29 citation statements)

References 50 publications

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“…Moreover, positive effects of external melatonin treatments under abiotic stress on seedling growth parameters and plant mineral contents (P, K, Ca, Mg, Fe, Zn, Cu, and Mn) were also observed by Bawa et al. (2020) and Sezer et al. (2021) —for example, when exposed to saline soil conditions, the exogenous application of melatonin to seedlings restores nutrient concentrations (Na + , Ca 2+ , and K + ) and significantly increases Cu 2+ , Mn 2+ , and Zn 2+ contents ( Sezer et al., 2021 ).…”

Section: The Roles Of Melatonin In Plant Growth and Developmentmentioning

confidence: 80%

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Melatonin-mediated development and abiotic stress tolerance in plants

Pan

Li³

et al. 2023

Front. Plant Sci.

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Melatonin is a multifunctional molecule that has been widely discovered in most plants. An increasing number of studies have shown that melatonin plays essential roles in plant growth and stress tolerance. It has been extensively applied to alleviate the harmful effects of abiotic stresses. In view of its role in regulating aspects of plant growth and development, we ponder and summarize the scientific discoveries about seed germination, root development, flowering, fruit maturation, and senescence. Under abiotic and biotic stresses, melatonin brings together many pathways to increase access to treatments for the symptoms of plants and to counteract the negative effects. It has the capacity to tackle regulation of the redox, plant hormone networks, and endogenous melatonin. Furthermore, the expression levels of several genes and the contents of diverse secondary metabolites, such as polyphenols, terpenoids, and alkaloids, were significantly altered. In this review, we intend to examine the actions of melatonin in plants from a broader perspective, explore the range of its physiological functions, and analyze the relationship between melatonin and other metabolites and metabolic pathways.

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Section: The Roles Of Melatonin In Plant Growth and Developmentmentioning

confidence: 80%

“…(2020) and Sezer et al. (2021) —for example, when exposed to saline soil conditions, the exogenous application of melatonin to seedlings restores nutrient concentrations (Na + , Ca 2+ , and K + ) and significantly increases Cu 2+ , Mn 2+ , and Zn 2+ contents ( Sezer et al., 2021 ).…”

Section: The Roles Of Melatonin In Plant Growth and Developmentmentioning

confidence: 99%

Melatonin-mediated development and abiotic stress tolerance in plants

Pan

Li³

et al. 2023

Front. Plant Sci.

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“…Changes in the chlorophyll content in the C. camphora seedlings were measured using a SPAD-502 portable chlorophyll meter (Minolta Camera Co., Ltd., Osaka, Japan). Two true leaves at the top of each plant were selected for determination, and each treatment was repeated five times [ 60 ].…”

Section: Methodsmentioning

confidence: 99%

Physiological and Transcriptome Analyses Revealed the Mechanism by Which Deferoxamine Promotes Iron Absorption in Cinnamomum camphora

Kong

Wen

Wang

et al. 2022

IJMS

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Iron deficiency causes chlorosis and growth inhibition in Cinnamomum camphora, an important landscaping tree species. Siderophores produced by plant growth-promoting rhizobacteria have been widely reported to play an indispensable role in plant iron nutrition. However, little to date has been determined about how microbial siderophores promote plant iron absorption. In this study, multidisciplinary approaches, including physiological, biochemical and transcriptome methods, were used to investigate the role of deferoxamine (DFO) in regulating Fe availability in C. camphora seedlings. Our results showed that DFO supplementation significantly increased the Fe2+ content, SPAD value and ferric-chelate reductase (FCR) activity in plants, suggesting its beneficial effect under Fe deficiency. This DFO-driven amelioration of Fe deficiency was further supported by the improvement of photosynthesis. Intriguingly, DFO treatment activated the metabolic pathway of glutathione (GSH) synthesis, and exogenous spraying reduced glutathione and also alleviated chlorosis in C. camphora. In addition, the expression of some Fe acquisition and transport-related genes, including CcbHLH, CcFRO6, CcIRT2, CcNramp5, CcOPT3 and CcVIT4, was significantly upregulated by DFO treatment. Collectively, our data demonstrated an effective, economical and feasible organic iron-complexing agent for iron-deficient camphor trees and provided new insights into the mechanism by which siderophores promote iron absorption in plants.

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“…Recent research has focused primarily on the effects of growth regulators on plant growth and development at various N concentrations . Melatonin, a recently discovered plant growth regulator, acts similarly to auxin , and improves plant growth, delays leaf senescence, and significantly increases production. , Melatonin may effectively stimulate N assimilation enzymatic processes at low N levels, improve N absorption and utilization, enhance chlorophyll content, and improve photosynthetic carbon metabolism to compensate for insufficient N supply in soybean development and production. − Under low levels of N, it not only enhanced nitrogen assimilation but also increased the important genes’ expression related to N assimilation (NR, NiR, AMT1, AMT2, AS, AAT, GS, GOGAT) and indeed the efficiency of many enzymes (NR, GS, GOGAT, and GDH). However, although N absorption rapidly increases with high N levels, root nodule N fixation is considerably impeded.…”

Section: Effect Of Nitrogen On Plant Morphology and Physiologymentioning

confidence: 99%

Bioengineering Techniques to Improve Nitrogen Transformation and Utilization: Implications for Nitrogen Use Efficiency and Future Sustainable Crop Production

Alam

Zhang

et al. 2023

J. Agric. Food Chem.

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Nitrogen (N) is crucial for plant growth and development, especially in physiological and biochemical processes such as component of different proteins, enzymes, nucleic acids, and plant growth regulators. Six categories, such as transporters, nitrate absorption, signal molecules, amino acid biosynthesis, transcription factors, and miscellaneous genes, broadly encompass the genes regulating NUE in various cereal crops. Herein, we outline detailed research on bioengineering modifications of N metabolism to improve the different crop yields and biomass. We emphasize effective and precise molecular approaches and technologies, including N transporters, transgenics, omics, etc., which are opening up fascinating opportunities for a complete analysis of the molecular elements that contribute to NUE. Moreover, the detection of various types of N compounds and associated signaling pathways within plant organs have been discussed. Finally, we highlight the broader impacts of increasing NUE in crops, crucial for better agricultural yield and in the greater context of global climate change.

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Role of melatonin in improving leaf mineral content and growth of sweet corn seedlings under different soil salinity levels

Cited by 39 publications

References 50 publications

Melatonin-mediated development and abiotic stress tolerance in plants

Melatonin-mediated development and abiotic stress tolerance in plants

Physiological and Transcriptome Analyses Revealed the Mechanism by Which Deferoxamine Promotes Iron Absorption in Cinnamomum camphora

Bioengineering Techniques to Improve Nitrogen Transformation and Utilization: Implications for Nitrogen Use Efficiency and Future Sustainable Crop Production

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