Application of exogenous melatonin in vitro and in planta: a review of its effects and mechanisms of action

Iqbal, Reema; Khan, Tariq

doi:10.1007/s10529-022-03270-x

Cited by 11 publications

(2 citation statements)

References 96 publications

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“…The existence of the best plantlets indicates that the most appropriate dose to support growth and development from stress or cell death that occurs during the callus phase to regeneration is the addition of 10 µM melatonin (P1) to the regeneration medium with the best variety of Gogo Niti II. This is also supported by (Iqbal & Khan, 2022). In their study, melatonin can overcome stress problems and change cell metabolism if a stressor occurs.…”

Section: Planlet Morphologymentioning

confidence: 76%

Response of Rice Somatic Embryogenesis to Exogenous Melatonin About Its Role in Scavenging Reactive Oxygen Species

Ubaidillah,

Al Ayyubi,

Khofifa

et al. 2024

Agrivita J Agr Sci

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The success rate of explant morphogenesis in plant breeding using tissue culture techniques is frequently plagued by browning due to the oxidation of phenolic compounds. The cumulated amount of reactive oxygen species (ROS) drives the oxidation of phenolic compounds. Melatonin is reported to take a part in modulating the regulation of antioxidant gene expression, reducing the accumulation of reactive oxygen species, and enhancing the efficacy of tissue culture. This study aims to determine the optimal melatonin concentration on the efficiency of plantlet regeneration and expression of the antioxidant resistance gene in rice callus. This study utilizes rice TN1, Gogo Niti II, Ketan Hitam, and Cigeulis cultivars. Melatonin at 0, 10, and 15 µM concentrations is supplemented in plantlet regeneration media. Rice antioxidant-related genes, Mn-SOD, Cu/ZnSOD, Cytosolic APX, CAT, GPOD, OsAPX, and OsCATA, expressed after melatonin supplementation. Melatonin concentration at 10 µM generates the highest expression of all tested genes in TN1 compared to other varieties. The cumulated amount of hydrogen peroxide (H2O2) shows that Melatonin has the potential to increase the proportion of plant regeneration in Cigeulis (90.48%) and Ketan Hitam (91.67%) varieties with a concentration of 10 µM and in TN1 (94.44%) and Gogo Niti II (80%) at a concentration of 15 µM.

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Section: Planlet Morphologymentioning

confidence: 76%

Response of Rice Somatic Embryogenesis to Exogenous Melatonin About Its Role in Scavenging Reactive Oxygen Species

Ubaidillah,

Al Ayyubi,

Khofifa

et al. 2024

Agrivita J Agr Sci

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“…Melatonin applications enhance the resistance of Bermuda grass to cold stress by improving cell membrane stability, and by regulating photosynthesis and metabolic activity ( Khalid et al., 2022 ). Melatonin played a role as both a first-line defense and internal sensor of oxidative stress in a study of different species of plants ( Iqbal and Khan, 2022 ). For example, in barley, exogenous melatonin can enhance photosynthetic carbon assimilation by improving the plant antioxidant defense systems of organelles under cold stress ( Li et al., 2016 ).…”

Section: Role Of Melatonin In Plants Under Abiotic Stressmentioning

confidence: 99%

The role of melatonin in plant growth and metabolism, and its interplay with nitric oxide and auxin in plants under different types of abiotic stress

Ahmad

Song²,

Ibrahim³

et al. 2023

Front. Plant Sci.

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Melatonin is a pleiotropic signaling molecule that reduces the adverse effects of abiotic stresses, and enhances the growth and physiological function of many plant species. Several recent studies have demonstrated the pivotal role of melatonin in plant functions, specifically its regulation of crop growth and yield. However, a comprehensive understanding of melatonin, which regulates crop growth and yield under abiotic stress conditions, is not yet available. This review focuses on the progress of research on the biosynthesis, distribution, and metabolism of melatonin, and its multiple complex functions in plants and its role in the mechanisms of metabolism regulation in plants grown under abiotic stresses. In this review, we focused on the pivotal role of melatonin in the enhancement of plant growth and regulation of crop yield, and elucidated its interactions with nitric oxide (NO) and auxin (IAA, indole-3-acetic acid) when plants are grown under various abiotic stresses. The present review revealed that the endogenousapplication of melatonin to plants, and its interactions with NO and IAA, enhanced plant growth and yield under various abiotic stresses. The interaction of melatonin with NO regulated plant morphophysiological and biochemical activities, mediated by the G protein-coupled receptor and synthesis genes. The interaction of melatonin with IAA enhanced plant growth and physiological function by increasing the levels of IAA, synthesis, and polar transport. Our aim was to provide a comprehensive review of the performance of melatonin under various abiotic stresses, and, therefore, further explicate the mechanisms that plant hormones use to regulate plant growth and yield under abiotic stresses.

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Melatonin application in in vitro conditions may modulate the phyto-biochemical mechanisms of Hymenocrater longiflorus Benth. Under salinity stress

Manafi,

Mozafari,

Ghoran

2024

Plant Growth Regul

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Application of exogenous melatonin in vitro and in planta: a review of its effects and mechanisms of action

Cited by 11 publications

References 96 publications

Response of Rice Somatic Embryogenesis to Exogenous Melatonin About Its Role in Scavenging Reactive Oxygen Species

Response of Rice Somatic Embryogenesis to Exogenous Melatonin About Its Role in Scavenging Reactive Oxygen Species

The role of melatonin in plant growth and metabolism, and its interplay with nitric oxide and auxin in plants under different types of abiotic stress

Melatonin application in in vitro conditions may modulate the phyto-biochemical mechanisms of Hymenocrater longiflorus Benth. Under salinity stress

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