Journal of Plant Growth Regulation, Journal Year: 2025, Volume and Issue: unknown
Published: Feb. 12, 2025
Language: Английский
Journal of Pineal Research, Journal Year: 2024, Volume and Issue: 76(5)
Published: July 19, 2024
ABSTRACT Melatonin ( N ‐acetyl‐5‐methoxytryptamine), a well‐known mammalian hormone, has been having great relevance in the Plant World recent years. Many of its physiological actions plants are leading to possible features agronomic interest, especially those related improvements tolerance stressors and postharvest life fruits vegetables. Thus, through exogenous application melatonin or by modifying endogenous biosynthesis phytomelatonin, some change can be made functional levels tissues their responses. Also, acting respective phytomelatonin enzymes, regulating expression tryptophan decarboxylase TDC ), tryptamine 5‐hydroxylase T5H serotonin ‐acetyltransferase SNAT ‐acetylserotonin O ‐methyltransferase ASMT caffeic acid COMT recently action deacetylases on intermediates offers promising opportunities for improving vegetables marketability. Other regulators/effectors such as different transcription factors, protein kinases, phosphatases, miRNAs, protein–protein interactions, gasotransmitters nitric oxide hydrogen sulfide were also considered an exhaustive vision. interesting aspects role autophagic responses, posttranslational reprogramming protein‐phosphorylation, ubiquitylation, SUMOylation, PARylation, persulfidation, nitrosylation described phytomelatonin‐mediated responses discussed, including relationship several plant hormones, chilling injury fungal decay alleviating. The current data about receptor (CAND2/PMTR1), effect UV‐B light cold storage damage presented discussed. All this focus new preservation quality
Language: Английский
Citations
11
Plant Stress, Journal Year: 2024, Volume and Issue: 11, P. 100410 - 100410
Published: Feb. 24, 2024
Melatonin is a hormone-like substance that serves as secondary metabolite associated with variety of physiological, hormonal, and natural processes at the cell, tissue, organ levels. It acts plant biostimulant increase tolerance against abiotic stresses like ssalinity, drought, heat, cold heavy metals. in plants, also called phytomelatonin, participating cellular mechanisms ameliorates oxidative toxicity, hence helps to stand stress conditions. These exclusive properties strengthen defense capacity by stimulating detoxification reactive oxygen species (ROS), promoting physiological attributes, activation stress-responsive genes ameliorate toxicity caused stress. As key molecule, it exhibits several important molecular interactions nitric oxide (NO), calcium (Ca2+), hydrogen peroxide (H2O2) sulfide (H2S). In this review article, we discuss salient role melatonin morphological adaptation well its involvement mitigation. Besides, under stress, interaction NO, Ca2+, H2O2, H2S has been demonstrated. This study will provide reference for elucidating regulatory mechanism influencing resistance plants.
Language: Английский
Citations
10
Food Frontiers, Journal Year: 2022, Volume and Issue: 4(1), P. 233 - 261
Published: Oct. 20, 2022
Abstract Derived from tryptophan, melatonin (MT; N‐acetyl‐5‐methoxytryptamine) is a ubiquitous indoleamine that widely distributed in species ranging microorganisms to mammals. It has been associated play vital roles the human body like cardiac rhythms, immunological enhancement, and antioxidant activity. In plants, it pleiotropic molecule with multiple roles, as not only performs extensive functions delaying senescence, growth development regulation, exerting effects, facilitating adaption of plants certain biotic abiotic stress responses but also provides resistance chilling injury disease development. This paper reviews latest progress MT fruits, summarizes pathways for its biosynthesis, presents relation plant hormones, auxin, cytokinin, ethylene, gibberellins, abscisic acid, jasmonic, salicylic highlights effect postharvest application on physiology quality action mechanisms, safety regulations MT. Recent trends focus using alternatives are safe produce do have major side effects. better alternative hazardous chemicals being commercially used management fruits providing future directions utilization.
Language: Английский
Citations
35
PLANT PHYSIOLOGY, Journal Year: 2022, Volume and Issue: 188(4), P. 2146 - 2165
Published: Jan. 15, 2022
The biosynthetic pathway of volatile phenylpropanoids, including 4-allyl-2-methoxyphenol (eugenol), has been investigated in petunia (Petunia hybrida). However, the regulatory network for eugenol accumulation strawberry (Fragaria × ananassa Duch.) fruit remains unclear. Here, an R2R3-type MYB transcription factor (TF; FaMYB63) was isolated from by yeast one-hybrid (Y1H) screening using promoter FaEGS1 (eugenol synthase 1 [EGS 1]) gene, which encodes enzyme responsible last step biosynthesis. FaMYB63 is phylogenetically distinct other R2R3-MYB TFs, FaEOBІІ (EMISSION OF BENZENOID II [EOBII]), also participates regulating biosynthesis receptacles. Reverse quantitative PCR (RT-qPCR) assays showed that expression tissue-specific and consistent with content through development, repressed abscisic acid, activated auxins (indole-3-acetic acid). Overexpression RNA interference-mediated silencing resulted marked changes transcript levels genes FaEGS1, FaEGS2, FaCAD1 (cinnamyl alcohol dehydrogenase [CAD1]) and, thereby, eugenol. Electrophoretic mobility shift, Y1H, GUS activity, dual-luciferase activity demonstrated FaMYB10 were regulated FaMYB63, but not way around. Together, these results demonstrate directly activates FaCAD1, FaEOBІІ, to induce during development. These findings deepen understanding influences metabolism edible crop.
Language: Английский
Citations
32
Frontiers in Plant Science, Journal Year: 2024, Volume and Issue: 15
Published: April 26, 2024
In recent years, the ethylene-mediated ripening and softening of non-climacteric fruits have been widely mentioned. this paper, research into is summarized, including involvement ethylene biosynthesis signal transduction. addition, detailed studies on how interacts with other hormones to regulate are also reviewed. These findings reveal that many regulators transduction linked fruits. Meanwhile, perspectives future regulation in fruit proposed. The overview progress will aid identification characterization key genes associated perception during softening.
Language: Английский
Citations
7
The Plant Journal, Journal Year: 2022, Volume and Issue: 111(3), P. 683 - 697
Published: May 24, 2022
Ethylene and melatonin are widely involved in plant development environmental stress responses. However, the role of their direct relationship immune response underlying molecular mechanisms plants remain elusive. Here, we found that Xanthomonas axonopodis pv. manihotis (Xam) infection increased endogenous ethylene levels, which positively modulated disease resistance through activating accumulation cassava. In addition, ethylene-responsive transcription factor ETHYLENE INSENSITIVE LIKE5 (MeEIL5), a positive regulator resistance, was essential for ethylene-induced Notably, identification heat 20 (MeHsf20) as an interacting protein MeEIL5 indicated association between resistance. physically interacted with MeHsf20 to promote transcriptional activation gene encoding N-acetylserotonin O-methyltransferase 2 (MeASMT2), thereby improving accumulation. Moreover, promoted physical interaction pathogen-related 3 (MePR3), resulting improved anti-bacterial activity MePR3. This study illustrates dual roles fine-tuning MeHsf20-mediated coordination biosynthesis activity, highlighting integrator signals
Language: Английский
Citations
28
Horticultural Plant Journal, Journal Year: 2023, Volume and Issue: 10(3), P. 601 - 614
Published: March 31, 2023
Language: Английский
Citations
16
PLANT PHYSIOLOGY, Journal Year: 2023, Volume and Issue: 192(3), P. 1747 - 1767
Published: Feb. 21, 2023
Abstract Phytohormones are naturally occurring small organic molecules found at low concentrations in plants. They perform essential functions growth and developmental processes, from organ initiation to senescence, including fruit ripening. These regulatory studied using different experimental approaches, such as performing exogenous applications, evaluating endogenous levels, and/or obtaining genetically modified lines. Here, we discuss the advantages limitations of current approaches used study active biomolecules modulating ripening, focusing on melatonin. Although melatonin has been implicated ripening several model crops, knowledge is affected by used, which have given sometimes even contradictory results. The methods application doses produced results studies based while measurement ways expressing explain most variability correlative analyses. Furthermore, crops focused tomato (Solanum lycopersicum L.) plants only. However, TILLING CRISPR methodologies becoming tools complement described above. This will not only help scientific community better understand role but it also develop technological advances improve yield quality major crops. combination various undoubtedly lead a complete understanding function near future, so that this can be effectively transferred field.
Language: Английский
Citations
14
Foods, Journal Year: 2022, Volume and Issue: 11(11), P. 1639 - 1639
Published: June 1, 2022
Rosa roxburghii Tratt. is a specific fruit with high nutritional value and antioxidative activities. However, the key metabolites their biosynthesis are still unknown. Herein, main cultivated variety, 'Guinong 5' (Rr5), was chosen to analyze metabolomics of three developmental stages R. by liquid chromatography-tandem mass spectrometry (LC-MS/MS). A total 533 were identified, which 339 significantly altered. Total phenols, flavonoids, amino acids correlated at least one in vitro antioxidant activity. The conjoint Kyoto Encyclopedia Genes Genomes (KEGG) co-enrichment analysis metabolome transcriptome focused on acid, phenylpropanoid, flavonoid pathways. phenolic flavonol networks constructed 32 structural genes, 48 RrMYBs, 23 metabolites. Of these, six RrMYBs 9-15 network selected detect gene expression different genotypes fruits. Subsequently, 21 identified activities fruits various or genotypes. We found that four related varied acids, derivatives during development This finding provided novel insights into flavonoid, polyphenol, acid synthesis roxburghii.
Language: Английский
Citations
21
International Journal of Molecular Sciences, Journal Year: 2024, Volume and Issue: 25(7), P. 3990 - 3990
Published: April 3, 2024
Carbon (C) and nitrogen (N) metabolisms participate in N source-regulated secondary metabolism medicinal plants, but the specific mechanisms involved remain to be investigated. By using nitrate (NN), ammonium (AN), urea (UN), glycine (GN), respectively, as sole sources, we found that sources remarkably affected contents of diterpenoid lactone components along with C reprograming Andrographis paniculata, compared NN, other three raised levels 14-deoxyandrographolide, andrographolide, dehydroandrographolide (except UN), neoandrographolide AN) a prominent accumulation farnesyl pyrophosphate (FPP). These also photosynthetic rate fructose and/or sucrose reduced activities phosphofructokinase (PFK), glyceraldehyde-3-phosphate dehydrogenase (GAPDH), phosphoenolpyruvate carboxylase (PEPC) pyruvate (PDH). Conversely, carboxykinase (PEPCK) malate enzyme (ME) were upregulated. Simultaneously, citrate, cis-aconitate isocitrate declined, assimilation was inhibited. results indicated AN, UN GN metabolic flow carbohydrates from glycolysis into TCA cycle downstream assimilation. Furthermore, they enhanced arginine GABA metabolism, which increased replenishment cycle, ethylene salicylic acid (SA) levels. Thus, proposed reprogrammed attenuating competition for C, promoting synthesis andrographolide through plant hormone signaling. To obtain higher production A. AN fertilizer is recommended its management.
Language: Английский
Citations
4