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Microbial fermentation is central to food biotechnology, enhancing flavor, texture, preservation, and stability. Fermentative microorganisms metabolize carbohydrates into organic acids, alcohols, and other metabolites that inhibit spoilage organisms and improve digestibility while contributing distinctive sensory qualities.In baking, amylases naturally present in flour hydrolyze starch into monosaccharides such as glucose, which Saccharomyces cerevisiae ferments anaerobically. Through...
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Lactic acid bacteria (LAB) and molds are instrumental in fermenting plant-based foods to enhance preservation and ensure year-round availability. These microbial processes convert plant carbohydrates into organic acids and other metabolites that inhibit spoilage organisms and contribute to the sensory qualities of the final product.In sauerkraut production, cabbage goes through a microbial succession that starts with cocci such as Leuconostoc mesenteroides. These microbes begin fermentation by...
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The human skin serves as a complex ecosystem inhabited by a diverse community of microorganisms, including bacteria, fungi, and viruses. This microbiome plays a critical role in maintaining skin health and defending against pathogenic invaders. The composition of microbial communities varies significantly across different regions of the body, influenced primarily by the local levels of moisture and sebum.Regional Variation in Skin MicrobiotaCutibacterium acnes predominantly colonizes sebaceous...
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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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Introduction to Microbial Ecology01:28

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Microbial ecology examines the complex web of interactions and diversity among microorganisms within various ecosystems. This field seeks to understand how microbial populations adapt to and influence their environments and how these interactions shape broader ecological processes. Microbes are integral to ecosystem function, participating in nutrient cycling, energy flow, and the maintenance of environmental homeostasis.An ecosystem represents a dynamic interaction between living organisms...
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Microbial food spoilage refers to the degradation of food quality resulting from the metabolic activity of microorganisms such as bacteria, yeasts, and molds. These microbes proliferate on various food substrates depending on factors such as moisture content, nutrient availability, and storage conditions, leading to undesirable sensory and structural changes.Bacteria are primary agents of spoilage in high-moisture, nutrient-dense foods like meat, milk, and vegetables. Microbial spoilage occurs...
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Related Experiment Video

Updated: Apr 17, 2026

Evaluation of Microbial Safety of Dairies using Bacterial Proteomic Profiling via MALDI Approach
09:31

Evaluation of Microbial Safety of Dairies using Bacterial Proteomic Profiling via MALDI Approach

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Cheese rind microbial communities: diversity, composition and origin.

Françoise Irlinger1, Séverine Layec2, Sandra Hélinck2

  • 1INRA, UMR782 Génie et Microbiologie des Procédés Alimentaires, 78850 Thiverval-Grignon, France irlinger@grignon.inra.fr.

FEMS Microbiology Letters
|February 12, 2015
PubMed
Summary
This summary is machine-generated.

Cheese rinds harbor diverse microbes, including bacteria and fungi. New research reveals the significant role of uninvited microbes, challenging our understanding of cheese rind ecosystems.

Keywords:
cheese surfacemicrobial diversityreservoirs

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Area of Science:

  • Microbiology
  • Food Science
  • Ecology

Background:

  • Cheese rinds host a complex microbiota of prokaryotes and eukaryotes.
  • Traditional views consider cheese rind ecosystems well-defined and controlled.

Purpose of the Study:

  • To review microbial genera on cheese surfaces.
  • To highlight the importance of non-inoculated microflora in cheese rinds.
  • To question the environmental sources and ecological roles of this microflora.

Main Methods:

  • Utilized modern molecular biology tools.
  • Employed conventional culture-based techniques.
  • Catalogued microbial biodiversity on cheese surfaces.

Main Results:

  • Identified diverse prokaryotic (e.g., Actinobacteria, Firmicutes, Proteobacteria) and eukaryotic (yeasts, moulds) genera.
  • Revealed the significant, previously unsuspected presence and impact of non-inoculated microflora.
  • Demonstrated the need to revise the understanding of cheese rind ecosystems.

Conclusions:

  • Cheese rind ecosystems are more complex than previously thought.
  • Non-inoculated microflora play a crucial role in shaping cheese rind communities.
  • Further research into environmental sources and ecological functions is needed to fully understand cheese production.