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Vitis vinifera

ABSTRACT: Cluster thinning effect on Pinot noir berry ripening.

PROVIDER: PRJNA394737 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR5832340.fastq.gz	Fastqsanger.gz
	SRR5832350.fastq.gz	Fastqsanger.gz
	SRR5832360.fastq.gz	Fastqsanger.gz
	SRR5832370.fastq.gz	Fastqsanger.gz
	SRR5832380.fastq.gz	Fastqsanger.gz

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Vitis vinifera

Project description:Pinot Noir berry transcriptome during ripening.

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Increasing the source/sink ratio in Vitis vinifera (cv Sangiovese) induces extensive transcriptome reprogramming and modifies berry ripening

Project description:Background: Cluster thinning is an agronomic practice in which a proportion of berry clusters are removed from the vine to increase the source/sink ratio and improve the quality of the remaining berries. Until now no transcriptomic data have been reported describing the mechanisms that underlie the agronomic and biochemical effects of thinning. Results: We profiled the transcriptome of Vitis vinifera cv. Sangiovese berries before and after thinning at veraison using a genome-wide microarray representing all grapevine genes listed in the latest V1 gene prediction. Thinning increased the source/sink ratio from 0.6 to 1.2 m2 leaf area per kg of berries and boosted the sugar and anthocyanin content at harvest. Extensive transcriptome remodeling was observed in thinned vines 2 weeks after thinning and at ripening. This included the enhanced modulation of genes that are normally regulated during berry development and the induction of a large set of genes that are not usually expressed. Conclusion: Cluster thinning has a profound effect on several important cellular processes and metabolic pathways including carbohydrate metabolism and the synthesis and transport of secondary products. The integrated agronomic, biochemical and transcriptomic data revealed that the positive impact of cluster thinning on final berry composition reflects a much more complex outcome than simply enhancing the normal ripening process.

2012-03-05 | GSE36234 | GEO

Increasing the source/sink ratio in Vitis vinifera (cv Sangiovese) induces extensive transcriptome reprogramming and modifies berry ripening

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Comparative Analyses of Five Grapevine (Vitis vinifera L.) Cultivars Under Seasonal Water Deficit

Project description:Berry skin total protein from Cabernet Sauvignon, Merlot, Pinot Noir, Chardonnay and Semillon. Treatments were control (well-watered) versus restricted irrigation (water-deficit). Samples were taken from harvest-ripe whole berry clusters following a seasonal water deficit in treatment vines. A comparative analysis between the cultivars and treatments was performed. Associated dataset identifiers: GSE72421, PRJNA268857.

2017-12-11 | PXD001661 | Pride

Red vs white skins of Vitis vinifera cv. ‘Bequignol Noir’

Project description:Transcriptome analysis of red vs white berry skin parts of variegated Vitis vinfera ‘Bequignol Noir’ berries.

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Project description:Pinot Noir RNA-seq

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Expression analysis of Vitis Vinifera clones differing for compactness

Project description:Grapevine cluster compactness is a multi-componential trait of agronomical interest; it greatly influences the vineyard management and the visual aspect of table grape. Clusters with greater compactness are more susceptible to disease. The compactness can be break down in a patchwork of agronomical traits, each having agronomical importance that includes parameters related to inflorescence and cluster architecture (cluster length and width, length of pedicels, etc.), fruitfulness (number of berries, number of seeds) and berry (size, shape, volume...). Through visual evaluation of a collection of 730 clones from the cultivar Tempranillo and 501 clones from Garnacha Tinta we identified and fully phenotyped distinct clones which transcriptomes were compared at key developmental stages in order to identify the genes playing a role in mechanisms involved in cluster compactness such as the ones determining number of berries, cluster length or berry size. Key genes involved in this process were identified. The findings lead us to hypothesize that berry size and/or number at ripening are greatly influenced by the rate of cell replication in flowers during the first stages after pollination.

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Cluster thinning effect on Cabernet Sauvignon berry ripening

Project description:Cluster thinning effect on Cabernet Sauvignon berry ripening

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Metabolite and transcript profile of grapevine clusters at 6th,7th,8th WAA and the effect of 1-MCP on ripening

Project description:We report the trasncriptomic profile of Pinot Noir at ethylene peak. The main aim is to understand the effect of 1-MCP on gene transcription and during this ripening window.

2018-06-17 | GSE83494 | GEO

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Project description:Transcriptome analysis along berry development of 'Syrah' x 'Pinot Noir' offspring extreme for flavonoid content

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