Ontology highlight
ABSTRACT:
PROVIDER: PRJNA910920 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR22675161_1.fastq.gz | Fastqsanger.gz | |||
| SRR22675161_2.fastq.gz | Fastqsanger.gz | |||
| SRR22675162_1.fastq.gz | Fastqsanger.gz | |||
| SRR22675162_2.fastq.gz | Fastqsanger.gz | |||
| SRR22675163_1.fastq.gz | Fastqsanger.gz |
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Project description:Synergistic inhibitory effect of melatonin and isoprothiolane in controlling rice blast
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Project description:MicroRNAs (miRNAs) are small non-coding RNAs that function as post-transcriptional regulators of gene expression in eukaryotes. In rice, miR7695 targets an alternatively spliced transcript of natural resistance-associated macrophage protein 6 (OsNramp6) encoding an iron transporter whose expression is regulated by infection with the rice blast fungus Magnaporthe oryzae. Rice plants grown under high iron supply showed blast resistance, which supports that iron is a factor in controlling blast resistance by still unknown mechanisms. Here, iron accumulated near M. oryzae appressoria, the sites of pathogen entry, and in cells surrounding infected regions of the rice leaf. Activation-tagged MIR7695 rice plants (MIR7695-Ac) exhibited enhanced resistance to M. oryzae infection. RNA-seq analysis revealed that blast resistance in MIR7695-Ac plants was associated with strong induction of defense-related genes, including pathogenesis-related and diterpenoid biosynthetic genes. Levels of phytoalexins during pathogen infection were higher in MIR7695-Ac than wild-type plants. Early phytoalexin biosynthetic genes, OsCPS2 and OsCSP4, were highly upregulated in rice plants grown under high iron supply. Our data indicate that miR7695 positively regulates rice immunity while establishing links between defense and iron signaling in rice. MiR7695-mediated regulation of OsNramp6 has great potential for the development of strategies to control rice blast disease.
2020-01-08 | GSE122258 | GEO
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
Project description:Treatment of rice roots with glutamate (Glu) induces systemic disease resistance against rice blast in leaves. To analyze the effect of Glu on the transcriptome of rice, rice roots were treated with Glu solution, and then fourth leaves were harvested and analyzed by Agilent rice microarray.
2016-04-01 | GSE78266 | GEO
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
Project description:In this dataset, we include the expression data obtained from untreated and blast pathogen treated rice seedlings using a variety of blast resistant rice line H4, as well as the susceptible rice line Zhonger-Ruanzhan. These data are used to obtain 4087 genes that are differentially expressed in response to blast pathogen in both of rice lines,as well as 717 genes that are differentially expressed between different lines both in the moch-treated and the blast treated. We used microarrays to detail the global gene expression in leaf from blast resistant rice line and susceptible rice line
2016-01-01 | GSE36013 | GEO
Project description:Bladder cancer (BLCA) is one of the most malignant human cancers in the world. The increasingly prominent phenomenon of chemoresistance has become an essential obstacle to clinical treatment for BLCA, and there is an urgent need to explore novel drugs to improve the current clinical status. Melatonin is a well-known natural hormone that showed a potential anti-cancer effect in multiple human cancers. In our study, we comprehensively explored the inhibitory effect of melatonin on BLCA and found that it could suppress the glycolysis process in BLCA cells. Moreover, we discovered that the ninth step enzyme ENO1 of glycolysis was the downstream effector of melatonin and could be a predictive biomarker of BLCA patients.
2022-09-06 | GSE212599 | GEO
Project description:Treatment of rice roots with glutamate (Glu) induces systemic disease resistance against rice blast in leaves. To analyze the effect of Glu on the transcriptome of rice, rice roots were treated with Glu solution, and then fourth leaves were harvested and analyzed by Agilent rice microarray. Rice plants were treated with Glu (10 mM) or mock (water) solution and leaves were analyzed at 9 and 24 h in two biological replicates.
2016-04-01 | E-GEOD-78266 | biostudies-arrayexpress
Project description:In this dataset, we include the expression data obtained from untreated and blast pathogen treated rice seedlings using a variety of blast resistant rice line H4, as well as the susceptible rice line Zhonger-Ruanzhan. These data are used to obtain 4087 genes that are differentially expressed in response to blast pathogen in both of rice lines,as well as 717 genes that are differentially expressed between different lines both in the moch-treated and the blast treated. We used microarrays to detail the global gene expression in leaf from blast resistant rice line and susceptible rice line Four total samples were analyzed, The untreated rice line Zhonger-Ruanzhan: Zhonger-0;the untreated rice line H4:H4-0;Zhonger-Ruanzhan inoclutated with blast pathogen after 24h:Zhonger-24;H4 inoculated with blast pathogen after 24h: H4-24. We generated the following pairwise comparisons : H4-0 VS H4-24; Zhonger-0 vs Zhonger-24; H4-0 vs H4-0; Zhonger-24 vs H4-24.
2016-07-03 | E-GEOD-36013 | biostudies-arrayexpress
Project description:Melatonin, a natural phytohormone present in most plants, plays multiple roles in plant growth and stress responses. Although melatonin biosynthesis-related genes have been suggested to possess diverse biological functions, their roles and functional mechanisms in regulating rice grain yield remain largely unexplored. Here, we revealed that a rice caffeic acid O-methyltransferase (OsCOMT) gene is involved in melatonin biosynthesis through in vitro and in vivo evidences. Transgenic assays show OsCOMT significantly delays leaf senescence at the grain filling stage, and then improves photosynthesis efficiency. Further experimental and transcriptomic data suggest that OsCOMT inhibits the degradation of chlorophyll and chloroplast, which in turn delay leaf senescence. Histological analysis also reveals the role of OsCOMT in the development of vascular bundle system in rice. The levels of melatonin and cytokinin were significantly increased in the culm of OsCOMT-overexpression plant relative to those of the wild-type (WT). In the OsCOMT-overexpression line, the cytokinin-biosynthesizing genes were up-regulated and the cytokinin-degrading genes were down-regulated, thereby increasing the cytokinin levels compared with the WT. Thus, OsCOMT-mediated vascular patterning may result from the crosstalk between melatonin and cytokinin. More importantly, OsCOMT significantly increased grain number and yield production of rice in various background, including Nipponbare (NIP) and Suken118 (SK118). Our findings show novel insights into melatonin-mediated leaf senescence and vascular patterning, and provide a new strategy to enhance rice yield production.
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