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Related Concept Videos

Methods to Assess Microbial Communities01:19

Methods to Assess Microbial Communities

Microbial communities, comprising bacteria, archaea, and eukaryotic microorganisms, inhabit diverse ecosystems and play crucial roles in environmental and biological processes. Their diversity is defined by three main parameters: species richness (the number of distinct species), species abundance (the relative quantity of each species), and species evenness (how uniformly individual species are distributed in various locations). These factors together shape the structure and ecological balance...
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Microbial Fermentation01:23

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Fermentation is a crucial anaerobic metabolic process that enables microbes to derive energy from sugar without relying on oxygen or an electron transport chain. This process is fundamental to various biological and industrial applications and is classified based on the metabolic products generated.Role of Pyruvate in FermentationPyruvate and its derivatives serve as key electron acceptors in fermentative pathways. The oxidation of NADH to regenerate NAD+ is essential for the continuation of...
Soil Microbial Ecology01:29

Soil Microbial Ecology

Soil microbial ecology is defined by highly diverse, spatially structured communities that drive nutrient cycling, organic matter turnover, and overall ecosystem stability. Although a gram of soil can contain thousands of bacterial and archaeal taxa, the ecological processes they mediate are even more crucial for sustaining terrestrial life.Microhabitats and NichesSoil is a heterogeneous mixture of minerals, organic matter, water, and air. Microbes inhabit distinct microhabitats formed by...
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Microbial communities forming biofilms and mats represent complex, spatially structured ecosystems where metabolic processes are stratified according to light, oxygen, and nutrient gradients. Biofilms are initial colonization stages, only a few millimeters thick, while mature microbial mats can reach centimeter-scale thickness and display intricate vertical organization. Their structural and functional heterogeneity allows microorganisms to occupy distinct ecological niches within a few...
Microbial Phylogeny01:28

Microbial Phylogeny

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Related Experiment Video

Updated: May 15, 2026

Profiling the Bacterial Community of Fermenting Traminette Grapes during Wine Production using Metagenomic Amplicon Sequencing
07:34

Profiling the Bacterial Community of Fermenting Traminette Grapes during Wine Production using Metagenomic Amplicon Sequencing

Published on: December 1, 2023

The vineyard yeast microbiome, a mixed model microbial map.

Mathabatha Evodia Setati1, Daniel Jacobson, Ursula-Claire Andong

  • 1Institute for Wine Biotechnology, Stellenbosch University, Stellenbosch, Western Cape, South Africa. setati@sun.ac.za

Plos One
|January 10, 2013
PubMed
Summary
This summary is machine-generated.

Grape microbial communities show significant variation within vineyards, impacting wine aroma. Farming practices influence fungal diversity, with less-treated vineyards exhibiting higher yeast richness and biocontrol potential.

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Area of Science:

  • Viticulture and Enology
  • Microbiology
  • Agricultural Science

Background:

  • Microorganisms in vineyards are crucial for grape quality and wine's aromatic profile.
  • Understanding microbial spatial distribution is key to grape and wine production.

Purpose of the Study:

  • To investigate the spatial distribution of microbial communities within and between vineyard management units.
  • To assess the impact of farming systems on microbial diversity and composition.

Main Methods:

  • Application of the Theory of Sampling (TOS) for grape sampling.
  • Generation of cultivation-based and molecular data sets.
  • Analysis using mixed-model networks and multivariate methods.

Main Results:

  • Significant fungal diversity differences observed between farming systems.
  • High species heterogeneity of microbial communities within the same vineyard.
  • Molecular methods revealed greater complexity and allowed discrimination of farming practices compared to cultivation-based methods.

Conclusions:

  • Intra-vineyard spatial fluctuations in yeast species distribution are significant.
  • Microbial heterogeneity within vineyards can contribute to variability in grape sample analysis.
  • Farming practices demonstrably shape vineyard microbial communities.