Grape skin transcriptome to reveal genes related with resveratrol accumulation
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA306731 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR3046430_1.fastq.gz | Fastqsanger.gz | |||
| SRR3046430_2.fastq.gz | Fastqsanger.gz | |||
| SRR3046440_1.fastq.gz | Fastqsanger.gz | |||
| SRR3046440_2.fastq.gz | Fastqsanger.gz | |||
| SRR3046450_1.fastq.gz | Fastqsanger.gz |
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Project description:Methods:transcriptomes of the different development stages of Vitis vinifera cv. Cabernet Sauvignon and Vitis quinquangularis accession Danfeng-2 were analyzed using Illumina Hiseq 2500. The sequence reads that passed quality filters were analyzed: TopHat followed by Cufflinks. mRNA profiles of different development stages of Vitis vinifera cv. Cabernet Sauvignon and Vitis quinquangularis accession Danfeng-2 were generated by deep sequencing, in triplicate, using Illumina Hiseq 2500.
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Project description:We conducted transcript profiling and metabolome profiling induced by UV irradiation in grape berry skin. Transcriptome analysis was carried out with genome-wide microarray and two hundred thirty eight genes were more than 5-fold up-regulated by UV irradiation. The enrichment analysis showed GO terms including stilbene synthase (STS) gene. Moreover, the principal component analysis (PCA) of metabolome analysis showed a compound, identified resveratrol, accumulated in grape berry skin specifically. Our result clearly shows that UV irradiation induced only accumulation of resveratrol and its analogues but did not induce accumulation of the other phenolic compounds.
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Project description:We used Affymetrix microarrays to investigate gene expression changes in PBMCs isolated from male patients ongoing secondary prevention of CVD to determine significant modulatory effects that may have been induced by the intake of an initial dose of 8 mg of resveratrol-enriched grape extract for 6 months and then, 16 mg for a further 6 months. The aim of this work was to determine whether the daily intake of dietary levels of resveratrol (RES) for a total of 12 months exerted any modulatory effects, at the level of gene expression, in PBMCs isolated from patients in secondary prevention of CVD. Male patients were divided in 3 groups: placebo (A), grape extract (B) and resveratrol-enriched grape extract (C). Total RNA was extracted from isolated PBMCs belonging to a total of 18 diabetic male patients (6 from each group) in 3 time points (at day 0, after 6 months and after 12 months) to compare differential gene expression between the groups. Differential gene expression after 6 and 12 months of the study for each group: placebo (A), grape extract (B) and resveratrol-enriched grape extract (C)
2012-06-29 | E-GEOD-36930 | biostudies-arrayexpress
Project description:We used Affymetrix microarrays to investigate gene expression changes in PBMCs isolated from male patients ongoing secondary prevention of CVD to determine significant modulatory effects that may have been induced by the intake of an initial dose of 8 mg of resveratrol-enriched grape extract for 6 months and then, 16 mg for a further 6 months.
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Project description:Grape skin transcriptome to reveal genes related with resveratrol accumulation
2020-07-20 | E-CURD-39 | ExpressionAtlas
Project description:We used Affymetrix microarrays to investigate gene expression changes in PBMNCs isolated from female and male pigs to determine significant modulatory effects that may have been induced by the intake of GE and (or) RES during 4 months in animals fed an atherogenic diet (AD) . The aim of this work was to determine whether the intake of low doses of a Grape Extract (GE; 1 g/70 Kg animal body weight) and (or) Resveratrol (RES; 18 mg/70 Kg animal body weight) exerted any modulatory effects, at the level of gene expression, in PBMNCs isolated from female and male pigs exposed to an atherogenic diet (AD) for 4 months. We isolated PBMNCs, and the corresponding total RNA, from 2 female and 2 male pigs for each group. Pure RNA was extracted from the PBMNCs for microarrays analyses (Affymetrix) and gene differential expression determined between the AD fed animals and control (CT) animals (to determine the effects of a high-fat consumption) and between the AD fed animals supplemented with GE and (or) RES and the animals fed the AD diet alone (to determine the effects of GE and (or) RES on the fat consumption). In addition, the effects of the consumption of GE and RES against a standard control diet (CT) were also determined. Differential gene expression: 1) AD vs CT (response to exposure to a high-fat diet); 2) AD-GE vs AD (modulatory effects of the intake of a grape extract on high-fat fed animals); 3) AD-GE-RES vs AD (modulatory effects of the intake of a resveratrol-enriched grape extract on high-fat fed animals); 4) AD-RES vs AD (modulatory effects of the intake of resveratrol on high-fat fed animals); 5) CT-GE-RES vs CT (modulatory effects of the intake of a resveratrol-enriched grape extract on animals fes a standard pig chow).
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Project description:UV radiation (UV) alters secondary metabolism in the skin of Vitis vinifera L. berries, which may affect on the final composition of both, grapes and wines. We compared berry skin transcriptome and phenolic composition between Tempranillo berries grown in the presence or absence of solar UV in a mid-altitude Tempranillo vineyard. By analysing two different ripening degrees, expression of 121 genes was significantly altered. Functional enrichment identified that, principally, secondary metabolism-related transcripts were induced by UV, including VvFLS1, VvGT5 and VvGT6 flavonol biosynthetic genes induction. Concurrently, flavonol accumulation was the most evident impact of UV on the berry skin phenolic composition. Monoterpenoid biosynthetic transcripts were also up-regulated by UV, whereas induction of stilbenoid biosynthetic transcripts and stilbenes accumulation was probably induced by the joint action of UV and other condition under the UV-blocking filter, likely higher temperature. Among regulatory genes, VvMYBF1, VvMYB24 and three bHLH transcription factors were up-regulated by UV. Homologs to Arabidopsis UVR8-dependent UV-B-induced genes were also induced, including VvHY5-1, VvHY5-2 and VvRUP UV-B signalling genes. This suggests that the UV-B-specific signalling pathway is activated in the skin of grapes grown at low-medium altitudes. The biosynthesis and accumulation of UV-absorbing compounds that are appreciated for winemaking were almost specifically triggered, which indicates that viticultural practices increasing solar UV incidence may improve grape features important to wine production. A total of 12 samples were hybridized. Grape skin RNA from berries ripening under a UV-transmitting filter (FUV+) and a UV-blocking filter (FUV-) was compared. Berry skin of two different ripening stages was analysed on each UV treatment. All samples were harvested simultaneously and a NaCl series was used to select the ripening degree in a non-invasive way. Three biological replicates were analyzed for each sample.
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