Ontology highlight
ABSTRACT:
PROVIDER: PRJNA914887 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR22859650_1.fastq.gz | Fastqsanger.gz | |||
| SRR22859650_2.fastq.gz | Fastqsanger.gz | |||
| SRR22859651_1.fastq.gz | Fastqsanger.gz | |||
| SRR22859651_2.fastq.gz | Fastqsanger.gz | |||
| SRR22859652_1.fastq.gz | Fastqsanger.gz |
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Project description:Pomegranate exhibits pronounced hypolipidemic properties, and the objective of this study was to delineate the precise mechanism by which pomegranate facilitates the treatment of hyperlipidemia.SD rats were fed with a high fat diet (HFD) to establish an hyperlipidemia model and intervened with pomegranate .Pomegranate significantly lowered body weight gain , liver weight and adipose tissue coefficient, and attenuated the hepatic steatosis.Serum concentrations of triglycerides (TG), total cholesterol (TC), and low-density lipoprotein cholesterol (LDL-C) were markedly reduced, concomitant with a significant elevation in high-density lipoprotein cholesterol (HDL-C) levels. Metabolomic analysis revealed that pomegranate treatment significantly modulated 37 metabolites linked to hyperlipidemia, with the primary pathways affected encompassing sphingolipid metabolism, pyrimidine metabolism, and arachidonic acid metabolism. Transcriptomic profiling identified 439 genes differentially expressed following pomegranate treatment, which were associated with various lipid-related and inflammatory pathways, predominantly including the lipid and atherosclerosis signaling pathway, NF-κB signaling pathway, and TNF signaling pathway.
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2018-10-19 | PXD009129 | Pride
Project description:Background: MicroRNAs (miRNAs), a class of small non-coding endogenous RNAs that regulate gene expression posttranscriptionally, play multiple key roles in plant growth and development and the stress response. Knowledge of and the roles of miRNAs in pomegranate fruit development have not been explored. Results: Pomegranate, which accumulates a large amount of anthocyanins in skin and arils, is valuable to human health, mainly because of antioxidant properties. In this study, we developed a small RNA library from pooled RNA samples from young seedling to matured fruits and identified both conserved and pomegranate-specific miRNA from 29,948,480 high-quality reads. For the pool of 15- to 30-nt small RNAs, ~50% were 24 nt. The miR157 family was the most abundant, followed by miR156, miR160, and miR159, with many variants within each family. The base bias at the first position from the 5â end has a strong preference for U for most 18- to 26-nt miRNAs but a preference for A for 18-nt miRNAs. In addition, for all 24-nt miRNAs, the nucleotide U is preferred (97%) in the first position. RT-qPCR was used to validate the expression of the predominant miRNA families in leaves, male and female flowers, and multiple fruit developmental stages; miR156, miR156-v1, miR159, miR159-v1, and miR319 were upregulated during the later stages of fruit development. Gene ontology and KEGG pathway analyses revealed predominant metabolic processes and catalytic activities, important for fruit development. In addition, KEGG pathway analyses revealed the involvement of miRNAs in ascorbate and linolenic acid, starch and sucrose metabolism; RNA transport; plant hormone signaling pathways; and circadian clock. Conclusion: Pomegranate largely contains anthocyanin, flavonoids, and antioxidants, which play critical roles in treating cancer, Alzheimer disease, and preventing heart attacks. Our first and preliminary report of novel miRNAs provides information on the biochemical compounds of pomegranate for future research. The functions of the targets of these novel miRNAs need further investigation. Profiling of miRNAs in pomegranate using Illumina HiSeq 2000 platform
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Project description:Background: MicroRNAs (miRNAs), a class of small non-coding endogenous RNAs that regulate gene expression posttranscriptionally, play multiple key roles in plant growth and development and the stress response. Knowledge of and the roles of miRNAs in pomegranate fruit development have not been explored. Results: Pomegranate, which accumulates a large amount of anthocyanins in skin and arils, is valuable to human health, mainly because of antioxidant properties. In this study, we developed a small RNA library from pooled RNA samples from young seedling to matured fruits and identified both conserved and pomegranate-specific miRNA from 29,948,480 high-quality reads. For the pool of 15- to 30-nt small RNAs, ~50% were 24 nt. The miR157 family was the most abundant, followed by miR156, miR160, and miR159, with many variants within each family. The base bias at the first position from the 5’ end has a strong preference for U for most 18- to 26-nt miRNAs but a preference for A for 18-nt miRNAs. In addition, for all 24-nt miRNAs, the nucleotide U is preferred (97%) in the first position. RT-qPCR was used to validate the expression of the predominant miRNA families in leaves, male and female flowers, and multiple fruit developmental stages; miR156, miR156-v1, miR159, miR159-v1, and miR319 were upregulated during the later stages of fruit development. Gene ontology and KEGG pathway analyses revealed predominant metabolic processes and catalytic activities, important for fruit development. In addition, KEGG pathway analyses revealed the involvement of miRNAs in ascorbate and linolenic acid, starch and sucrose metabolism; RNA transport; plant hormone signaling pathways; and circadian clock. Conclusion: Pomegranate largely contains anthocyanin, flavonoids, and antioxidants, which play critical roles in treating cancer, Alzheimer disease, and preventing heart attacks. Our first and preliminary report of novel miRNAs provides information on the biochemical compounds of pomegranate for future research. The functions of the targets of these novel miRNAs need further investigation.
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Project description:Pomegranate (Punica granatum L.) is sensitive to drought stress, which largely affects its transplantation survival rate, fruit yield and quality. Abscisic acid (ABA) treatment can reduce the drought-induced adverse impacts on plants. However, no studies have ever applied ABA as an exogenous supply to alleviate the drought stress on pomegranates. In this study, we performed comparative transcriptome analysis between the ABA-treated and untreated pomegranates to reveal the ABA-induced mechanisms in response to drought-stress. Our results showed that exogenous ABA application substantially enhanced pomegranate drought resistance by strengthening metabolic pathways, such as BRs synthesis, peroxisome biogenesis, photosynthesis and hemicelluloses synthesis. Furthermore, treatments with different ABA concentrations may provoke different transcriptional responses and, once the concentration exceeds the optimal (60 μM), it might induce some potential adverse impacts on plant growth and stress resistance.
2020-10-20 | GSE156104 | GEO
Project description:Dwarfed stature is a desired trait for modern orchard production systems. One effective strategy of dwarfing is exogenously applying plant growth retardants (PGRs) to plants. However, for many economic fruit trees, the current knowledge on the regulatory mechanisms underlying the dwarfing effect of PGRs were limited, which largely restricts their agricultural application. In this study, we exogenously applied three kinds of PGRs (paclobutrazol, B9 and mannitol) to the seedlings of pomegranate (Punica granatum L.) and performed comparative transcriptome analysis to elucidate the molecular features of PGR-induced dwarfing in pomegranates. Our results showed that all the three PGRs could significantly suppress auxin biosynthetic and metabolic processes, as well as auxin-mediated shoot development, which may be the main reason for the dwarfing. Besides, different PGRs were also found to induce dwarfing via specially mechanisms. Cellular response to strigolactone were downregulated by the application of paclobutrazol, while carbohydrate homeostasis and metabolism were specifically suppressed in conditions of either B9 or mannitol treatments. Furthermore, exogenous PGR application was supposed to causes adverse impacts on the normal physiological process of pomegranate seedlings, which may bring extra burden to stress adaptation of pomegranate plants. These novel findings unveiled the genetic basis underlying the dwarfing in pomegranates.
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