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

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

PROVIDER: PRJNA602156 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR10914869_1.fastq.gz	Fastqsanger.gz
	SRR10914869_2.fastq.gz	Fastqsanger.gz
	SRR10914870_1.fastq.gz	Fastqsanger.gz
	SRR10914870_2.fastq.gz	Fastqsanger.gz
	SRR10914871_1.fastq.gz	Fastqsanger.gz

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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

AGO4 participates in germination during salinity

Project description:In this work we studied the participation of RdDM pathway in response to salinity during germination, we found that the RdDM promotes germination while AGO4 null mutant negatively regulates the germination process.

2020-08-13 | GSE156093 | GEO

AGO4 participates in germination during salinity

Project description:In this work we studied the participation of RdDM pathway in response to salinity during germination, we found that the RdDM promotes germination whule AGO4 has an additional RdDM-independent activity that negatively regulates the germination process.

2019-09-30 | GSE112051 | GEO

Melatonin antagonizes ABA to induce seed germination of melon

Project description:To reveal the mechanisms of melatonin regulation of seed germination, we compared the changes in proteins between seeds treated with ABA and a combination of ABA and melatonin.

2020-01-02 | PXD016911 |

Integrative analysis of transcriptome, microRNA-seq and metabolome reveals an essential role of exogenous melatonin in enhancing salt stress tolerance during seed germination in maize [miRNA-seq]

Project description:To investigate the role of melatonin in salt tolerance of maize, we determine the seed germinated rate of maize under CK, NaCl and NaCl+melatonin. We then performed miRNA profiling analysis using data obtained from miRNA-seq of the seeds of three different treatments.

2023-05-10 | GSE223823 | GEO

Integrative analysis of transcriptome, microRNA-seq and metabolome reveals an essential role of exogenous melatonin in enhancing salt stress tolerance during seed germination in maize [RNA-seq]

Project description:To investigate the role of melatonin in salt tolerance of maize, we determine the seed germinated rate of maize under CK, NaCl and NaCl+melatonin. We then performed gene expression profiling analysis using data obtained from RNA-seq of the seeds of three different treatments.

2023-05-10 | GSE223821 | 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

AGO4 participates in germination during salinity

Project description:AGO4 participates in germination during salinity

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AGO4 participates in germination during salinity

Project description:AGO4 participates in germination during salinity

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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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