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Transcriptome profiling of Cd resistance by exogenous treatment of melatonin in Italian Lettuce

ABSTRACT: Transcriptome profiling of Cd resistance by exogenous treatment of melatonin in Italian Lettuce

PROVIDER: PRJNA601218 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR10894054_1.fastq.gz	Fastqsanger.gz
	SRR10894054_2.fastq.gz	Fastqsanger.gz
	SRR10894055_1.fastq.gz	Fastqsanger.gz
	SRR10894055_2.fastq.gz	Fastqsanger.gz
	SRR10894056_1.fastq.gz	Fastqsanger.gz

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Transcriptome profiling of Cd resistance by exogenous treatment of melatonin in Italian Lettuce

Project description:This study is the first transcriptome study for Cd and melatonin treatment in lettuce, both transcriptomes and the expression profile would provide the foundation for further exploring the molecular mechanism of Cd accumulation, and develop breeding strategies aimed at decreasing Cd in crop plants.

2021-01-13 | GSE143675 | GEO

Exogenous melatonin promotes rice seed germination under salinity through regulating reactive oxygen species and phytohormones

Project description:Melatonin plays a potential role in multiple plant developmental processes and stress response. However, there are no reports regarding exogenous melatonin promoting rice seed germination under salinity and nor about the underlying molecular mechanisms at genome-wide. Here, we revealed that exogenous application of melatonin conferred roles in promoting rice seed germination under salinity. The putative molecular mechanisms of exogenous melatonin in promoting rice seed germination under high salinity were further investigated through metabolomic and transcriptomic analyses. The results state clearly that the phytohormone contents were reprogrammed, the activities of SOD, CAT, POD were enhanced, and the total antioxidant capacity was activated under salinity by exogenous melatonin. Additionally, melatonin-pre-treated seeds exhibited higher concentrations of glycosides than non-treated seeds under salinity. Furthermore, exogenous melatonin alleviated the accumulation of fatty acids induced by salinity. Genome-wide transcriptomic profiling identified 7160 transcripts that were differentially expressed in NaCl, MT100 and control. Pathway and GO term enrichment analysis revealed that genes involved in the response to oxidative stress, hormone metabolism, heme building, mitochondrion, tricarboxylic acid transformation were altered after melatonin pre-treatment under salinity. This study provides the first evidence of the protective roles of exogenous melatonin in increasing rice seed germination under salt stress, mainly via activation of antioxidants and modulation of metabolic homeostasis.

2020-01-20 | GSE143922 | GEO

Effects of exogenous melatonin on NaCl stress in Eriobotrya japonica seedlings

Project description:Effects of exogenous melatonin on NaCl stress in Eriobotrya japonica seedlings

2024-04-27 | GSE249070 | GEO

A cysteine-rich secretory protein involves in phytohormone melatonin mediated plant resistance to CGMMV

Project description:Background: Melatonin is considered to be a polyfunctional master regulator in animals and higher plants. Exogenous melatonin inhibits plant infection by multiple diseases; however, the role of melatonin in cucumber green mottle mosaic virus (CGMMV) infection remains unknown. Results: In this study, we demonstrated that exogenous melatonin treatment can effectively control CGMMV infection. The greatest control effect was achieved by 3 days of root irrigation at a melatonin concentration of 50 µM. Exogenous melatonin showed preventive and therapeutic effects against CGMMV infection at early stage in tobacco and cucumber. We utilized RNA sequencing technology to compare the expression profiles of mock-inoculated, CGMMV-infected, and melatonin+CGMMV-infected tobacco leaves. Defense-related gene CRISP1 was specifically upregulated in response to melatonin, but not to salicylic acid (SA). Silencing CRISP1 enhanced the preventive effects of melatonin on CGMMV infection, but had no effect on CGMMV infection. We also found exogenous melatonin has preventive effects against another Tobamovirus, pepper mild mottle virus (PMMoV) infection. Conclusions: Together, these results indicate that exogenous melatonin controls two Tobamovirus infection and inhibition of CRISP1 enhanced melatonin control effects against CGMMV infection, which may lead to the development of a novel melatonin treatment for Tobamovirus control.

2022-12-30 | GSE221904 | GEO

Exogenous Melatonin Attenuates Post-harvest Decay by Increasing the Antioxidant Activity of Wax Apple (Syzygium samarangense)

Project description:Our experiments show that exogenous MT treatment can effectively delay the decay and water loss rate of post-harvest wax apples, which may be related to reducing the degree of membrane lipid peroxidation and inhibiting enzymatic browning. MT treatment also maintains the quality of post-harvest wax apple by enhancing the activity of antioxidant enzymes. At the same time, it can reduce the incidence of post-harvest diseases of wax apple by increasing the JA and SA contents. MT can down-regulate the expression of genes related to oxidation, and up-regulate the expression of related genes in antioxidant enzymes and non-enzymatic antioxidant pathways, suggesting that exogenous melatonin can reduce the production of excess ROS and maintain the redox homeostasis of post-harvest wax apple. Therefore, melatonin, as a strong and effective free radical scavenger and antioxidant, plays an important role in delaying the decay of post-harvest wax apples and prolonging the shelf life.

2020-04-11 | GSE148484 | GEO

Effects of exogenous melatonin on NaCl stress in Eriobotrya japonica seedlings

Project description:Effects of exogenous melatonin on NaCl stress in Eriobotrya japonica seedlings

| PRJNA1047110 | ENA

Exogenous Melatonin RegulatesAlternaria brassicaeReproduction and Pathogenicity in a Dose-Dependent Manner [miRNA_degradome]

Project description:Exogenous Melatonin RegulatesAlternaria brassicaeReproduction and Pathogenicity in a Dose-Dependent Manner [miRNA_degradome]

| PRJNA1072607 | ENA

Exogenous Melatonin RegulatesAlternaria brassicaeReproduction and Pathogenicity in a Dose-Dependent Manner [miRNA]

Project description:Exogenous Melatonin RegulatesAlternaria brassicaeReproduction and Pathogenicity in a Dose-Dependent Manner [miRNA]

| PRJNA1072608 | ENA

Peng2013-melatonin--effects of light and routes of administration

Project description:Physiologically based pharmacokinetic (PBPK) models were developed using MATLAB Simulink(®) to predict diurnal variations of endogenous melatonin with light as well as pharmacokinetics of exogenous melatonin via different routes of administration. The model was structured using whole body, including pineal and saliva compartments, and parameterized based on the literature values for endogenous melatonin. It was then optimized by including various intensities of light and various dosage and formulation of melatonin. The model predictions generally have a good fit with available experimental data as evaluated by mean squared errors and ratios between model-predicted and observed values considering large variations in melatonin secretion and pharmacokinetics as reported in the literature. It also demonstrates the capability and usefulness in simulating plasma and salivary concentrations of melatonin under different light conditions and the interaction of endogenous melatonin with the pharmacokinetics of exogenous melatonin. Given the mechanistic approach and programming flexibility of MATLAB Simulink(®), the PBPK model could provide predictions of endogenous melatonin rhythms and pharmacokinetic changes in response to environmental (light) and experimental (dosage and route of administration) conditions. Furthermore, the model may be used to optimize the combined treatment using light exposure and exogenous melatonin for maximal phase advances or delays Model is encoded by Ruby and submitted to BioModels by Ahmad Zyoud.

2020-03-20 | MODEL2003190006 | BioModels

Melatonin enhances plant growth and abiotic stress tolerance in soybean plants

Project description:Melatonin is a well-known agent that plays multiple roles in animals. Its possible function in plants is less clear. In the present study, we tested the effect of melatonin (N-acetyl-5-methoxytryptamine) on soybean growth and development. Both spraying of leaves and seed-coating with melatonin significantly promoted soybean growth as judged from leaf size and plant height. This enhancement was also observed in soybean production and their fatty acid content. Melatonin increased pod number, seed number and seed weight. However, the 100-seed weight was not influenced by melatonin application. Melatonin also improved soybean tolerance to salt and drought stresses. Transcriptome analysis revealed that melatonin up-regulated the expression of many genes and alleviated the inhibitory effects of salt stress on gene expressions. Further detailed analysis of the affected pathways documents that melatonin likely achieved its promotional roles in soybean through enhancement of genes involved in cell division, photosynthesis, carbohydrate metabolism, fatty acid biosynthesis and ascorbate metabolism. Our results demonstrate that melatonin has significant potential for improving of soybean growth and seed production. Further study should uncover more about the molecular mechanisms of melatoninM-bM-^@M-^Ys function in soybeans and other crops. Four different treatments were chosen, water, salt, 100M-BM-5M melatonin and salt plus 100M-BM-5M melatonin. The comparison of salt/melatonin-treated sample versus water-treated sample reveals salt or melatonin induced transcriptome changes. The comparison of melatonin plus salt treated sample versus salt-treated sample reveals melatonin induced changes when salt exists.

2014-08-31 | E-GEOD-57960 | biostudies-arrayexpress

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