Dataset Information

Bacterial succession and functional diversity during vermicomposting of the white grape marc Vitis vinifera v. Albarino.

ABSTRACT: Winemaking produces millions of tons of grape marc, a byproduct of grape pressing, each year. Grape marc is made up of the skins, stalks, and seeds remaining after pressing. Raw grape marc can be hazardous to the environment due to its low pH and high polyphenol content, but previous work has shown that grape marc can be stabilized via vermicomposting to produce organic fertilizer. Here, we utilize 16S rRNA high-throughput sequencing to characterize the bacterial community composition, diversity and metabolic function during vermicomposting of the white grape marc Vitis vinifera v. Albariño for 91 days. Large, significant changes in the bacterial community composition of grape marc vermicompost were observed by day 7 of vermicomposting and throughout the duration of the experiment until day 91. Similarly, taxonomic and phylogenetic ?-diversity increased throughout the experiment and estimates of ?-diversity differed significantly between time points. Functional diversity also changed during vermicomposting, including increases in cellulose metabolism, plant hormone synthesis, and antibiotic synthesis. Thus, vermicomposting of white grape marc resulted in a rich, stable bacterial community with functional properties that may aid plant growth. These results support the use of grape marc vermicompost for sustainable agricultural practices in the wine industry.

SUBMITTER: Kolbe AR

PROVIDER: S-EPMC6522490 | biostudies-literature | 2019 May

REPOSITORIES: biostudies-literature

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Bacterial succession and functional diversity during vermicomposting of the white grape marc Vitis vinifera v. Albariño.

Kolbe Allison R AR Aira Manuel M Gómez-Brandón María M Pérez-Losada Marcos M Domínguez Jorge J

Scientific reports 20190516 1

Winemaking produces millions of tons of grape marc, a byproduct of grape pressing, each year. Grape marc is made up of the skins, stalks, and seeds remaining after pressing. Raw grape marc can be hazardous to the environment due to its low pH and high polyphenol content, but previous work has shown that grape marc can be stabilized via vermicomposting to produce organic fertilizer. Here, we utilize 16S rRNA high-throughput sequencing to characterize the bacterial community composition, diversity ...[more]

PMID: 31097737

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Project description:Grapes and their products are known to have been used for the treatment of diseases throughout history.It was aimed to investigate the effects of Erzincan Cimin grapes on an organism model of Caenorhabditis elegans N2 wild type and C. elegans BS913 strains with gonad cancer.The effects of methanol extracts of the skin and seeds of Erzincan Cimin grapes were examined separately on C. elegans N2 wild type and an effect was determined on lifespan. By applying GS-MS analysis, a potential agent substance was determined in the skin and seed methanol extracts. This substance was purchased and the effects of this substance were investigated on lifespan and fertility in C. elegans BS913 strains with gonad cancer. In addition, the effects on young subjects exposed to this agent substance in L1 form were investigated.Grape seed and skin methanol extract was observed to prolong the lifespan most at a dose of 10 mg/100 mL. Lifespan was determined to be at a maximum in a gonad cancer organism model with benzothiazol at a dose of 50 ppm. At the same dose, positive effects were determined on the fertility of strains with cancer. When the effects of benzothiazol were examined on young L1 forms, an evident retardation of growth was determined at doses of 10, 50, and 100 ppm.Owing to anti-carcinogenic effects of benzothiazol and benzothiazol-derived substances, they can be considered as agent substances in academic studies related to cancer.The effects of methanol extracts of the skin and seeds of Erzincan Cimin grapes were examined on C. elegans N2 wild type and an effect was determined on lifespanThrough GS-MS analysis, benzothiazol was determined in the skin methanol extractsBenzothiazol was purchased and the effects of this substance were investigated on lifespan and fertility in C. elegans BS913 strains with gonad cancerThe effects on young subjects exposed to benzothiazol in L1 formGrape seed, skin methanol extract, and benzothiazol was observed to prolong the lifespanPositive effects were determined on the fertility of gonad cancer strains. Abbreviations used: GC-MS: gas chromatography and mass spectrometry; C. elegans: Caenorhabditis elegans; NGM: Nematode growth medium; E. coli: Escherichia coli; FUDR: Fluorodeoxyuridine; LDL: Low-density lipoprotein.

Dataset Information

Bacterial succession and functional diversity during vermicomposting of the white grape marc Vitis vinifera v. Albarino.

Publications

Bacterial succession and functional diversity during vermicomposting of the white grape marc Vitis vinifera v. Albariño.

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