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Reveal seasonal climatic variations affect terpenes, norisoprenoids, and green leaf volatiles accumulation in four grape varieties under a double cropping system

ABSTRACT: Reveal seasonal climatic variations affect terpenes, norisoprenoids, and green leaf volatiles accumulation in four grape varieties under a double cropping system

PROVIDER: PRJNA713982 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR13951252.fastq.gz	Fastqsanger.gz
	SRR13951253.fastq.gz	Fastqsanger.gz
	SRR13951254.fastq.gz	Fastqsanger.gz
	SRR13951255.fastq.gz	Fastqsanger.gz
	SRR13951256.fastq.gz	Fastqsanger.gz

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Reveal seasonal climatic variations affect terpenes, norisoprenoids, and green leaf volatiles accumulation in four grape varieties under a double cropping system

Project description:We determined the RNA sequence of V. vinifera cv. Victoria and V. vinifera cv. Muscat Hamburg grapes to reveal the transcriptomics variations between summer and winter berries under a double cropping system. Transcriptomics analysis showed that the upregulated VviDXSs, VviPSYs, and VviCCDs expressions might contribute to accumulations of terpenes or norisoprenoids in winter berries.

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Effect of the Seasonal Climatic Variations on the Accumulation of Fruit Volatiles in Four Grape Varieties Under the Double Cropping System.

Project description:The double cropping system has been widely applied in many subtropical viticultural regions. In the 2-year study of 2014-2015, four grape varieties were selected to analyze their fruit volatile compounds in four consecutive seasons in the Guangxi region of South China, which had a typical subtropical humid monsoon climate. Results showed that berries of winter seasons had higher concentrations of terpenes, norisoprenoids, and C6/C9 compounds in "Riesling," "Victoria," and "Muscat Hamburg" grapes in both of the two vintages. However, in the "Cabernet Sauvignon" grapes, only the berries of the 2014 winter season had higher terpene concentrations, but lower norisoprenoid concentrations than those of the corresponding summer season. The Pearson correlation analysis showed the high temperature was the main climate factor that affected volatile compounds between the summer and winter seasons. Hexanal, γ-terpinene, terpinen-4-ol, cis-furan linalool oxide, and trans-pyran linalool oxide were all negatively correlated with the high-temperature hours in all of the four varieties. Transcriptome analysis showed that the upregulated VviDXSs, VviPSYs, and VviCCDs expressions might contribute to the accumulations of terpenes or norisoprenoids in the winter berries of these varieties. Our results provided insights into how climate parameters affected grape volatiles under the double cropping system, which might improve the understanding of the grape berries in response to the climate changes accompanied by extreme weather conditions in the future.

| S-EPMC8829325 | biostudies-literature

Interactions between Verticillium longisporum and plant terpenes

Project description:Plant roots secrete secondary metabolites to sense the enviroment around them. Among them, terpenes play a prominent role. Terpenes can have either fungistatic or fungicide action. However, their exact role in plant-host interactions is not fully understood. Verticillium longisporum is a soilborne pathogen causing disease in Brasicacae plants. In this project we investigated the transcriptomic changes of this species upon exposure to the β-pinene monoterpene in different time points 0hpi, 8hpi, 24hpi and 24hpi.

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Interactions between Verticillium longisporum and plant terpenes

Project description:Interactions between Verticillium longisporum and plant terpenes

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B. subtilis response to rotten meat volatiles.

Project description:To find a promoter upregulated in the presence of rotten meat, we exposed B. subtilis 168 to the volatiles of rotten meat (mixed beef/pork) and performed a microarray comparing it to B. subtilis which was not exposed to the meat. The results where used to build iGEM Groningen 2012s Food Warden, a spoiled meat detector. Find more information at: 2012.igem.org/Team:Groningen

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Volatiles of two growth-inhibiting rhizobacteria commonly enroll AtWRKY18 function

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Dissecting the Variations of Ripening Progression and Flavonoid Metabolism in Grape Berries Grown under Double Cropping System

Project description:A double cropping system has been commercially adopted in subtropical regions in southern China, where there is abundant sunshine and heat resources. In this viticulture system, the first growing season normally starts as a summer cropping cycle; then, the vine is pruned and forced by hydrogen cyanamide, resulting in a second crop in January of the next year. Due to climate differences between the two growing seasons, flavonoid content and composition varies greatly. In this study, changes in the transcriptome of flavonoid-associated pathways were compared in berries grown under the double cropping system; in addition, the accumulation of flavonoid compounds was compared. Specific alterations in MYB transcription factors occurred in winter cropping berries around veraison. Then, the winter cropping cycle distinctly induced the flavonoid metabolic pathways while triggering the ripening-associated pathways. Notably, the climate conditions in winter cropping positively affected flavonoid biosynthesis, while the summer season took a major toll on anthocyanin accumulation. In addition, the three classes of flavonoid compounds responded differently to the changing climate; the anthocyanins and flavonols were promoted several fold, whereas no consistent increase was found for flavan-3-ols. Conclusively, flavonoid biosynthesis in grapes grown under a double cropping system showed seasonal or climatic-specific accumulation patterns.

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Volatiles of two growth-inhibiting rhizobacteria commonly enroll AtWRKY18 function

Project description:Volatiles of certain rhizobacteria can cause growth inhibitory effects on plants/ Arabidopsis thaliana. How these effects are initiated and which mechanisms are enrolled is not yet understood. Obviously the plant can survive/live with the bacteria in the soil, which suggest the existance of a regulatory mechanism/network that provide the possibility for coexistance with the bacteria. To shed light on this regulatory mechanism/network we performed a microarray anlaysis of Arabidopsis thaliana co-cultivated with two different rhizobacteria strains. In this study we used the ATH1 GeneChip microarray to investigate the transcriptional response of 4 to 5 days old Arabidopsis thaliana seedlings at 6 h, 12 h and 24 h exposure to volatiles of the rhizobacteria Serratia plymuthica HRO-C48 or Stenotrophomonas maltophilia R3089. Seedlings from Arabidopsis thaliana were harvested at different time points at exposure to volatiles of two different strains of bacteria. Samples were taken at the start of the experiment (T0) and after 6, 12 and 24 hours (T6, T12, T24 respectively). Two biological replicates from pooled seedlings (from 5 plates, from the respective time points) were used for RNA extraction and hybridization on Affymetrix microarrays (ATH1 GeneChip; GEO accsession GPL198).

2012-01-25 | E-GEOD-35325 | biostudies-arrayexpress

B. subtilis response to rotten meat volatiles.

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Soil climatic zones

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