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Related Concept Videos

Production of Organic Acids01:25

Production of Organic Acids

Lactic acid, an important organic acid extensively applied in food, pharmaceutical, and biodegradable polymer industries, is primarily produced via microbial fermentation. This method is favored over chemical synthesis due to its environmental sustainability and capacity for enantiomerically pure product formation. Among various microbial processes, the fermentation of starch-based substrates stands out due to the abundance and renewability of raw materials like corn and potatoes.Hydrolysis of...
Microbes in Food Production01:29

Microbes in Food Production

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...
Microbes in the Production of Fermented Foods01:27

Microbes in the Production of Fermented Foods

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...
Bioreactor Controls-III01:22

Bioreactor Controls-III

Strain improvement is a foundational strategy in industrial microbiology aimed at maximizing microbial productivity, particularly because natural isolates typically yield commercially valuable products in very low concentrations. Although optimizing the culture medium and environmental conditions can improve yields, these adjustments are inherently limited by the organism’s genetic potential. As a result, the focus shifts toward genetic modifications to enhance biosynthetic capacity. The...
Microbial Fermentation01:23

Microbial Fermentation

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...
Microorganisms in Agriculture and Food industry01:27

Microorganisms in Agriculture and Food industry

Microorganisms play a crucial role in agriculture and the food industry, contributing to soil fertility, crop protection, and food production. Their functions range from nitrogen fixation and biopesticide production to fermentation and food preservation, making them indispensable to sustainable farming and food safety.Role in AgricultureNitrogen-fixing bacteria, such as Rhizobium (symbiotic) and Azotobacter (free-living), convert atmospheric nitrogen into ammonia through biological nitrogen...

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Related Experiment Video

Updated: May 28, 2026

The Cultivation, Growth, and Viability of Lactic Acid Bacteria: A Quality Control Perspective
04:40

The Cultivation, Growth, and Viability of Lactic Acid Bacteria: A Quality Control Perspective

Published on: June 16, 2022

Systems solutions by lactic acid bacteria: from paradigms to practice.

Willem M de Vos1

  • 1Laboratory of Microbiology, Wageningen University, The Netherlands. willem.devos@wur.nl

Microbial Cell Factories
|October 15, 2011
PubMed
Summary

Lactic acid bacteria (LAB) are vital in food production and health. This review explores advanced genomic and metagenomic insights, focusing on systems biology for future applications in industry and synthetic biology.

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Last Updated: May 28, 2026

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A Gnotobiotic System for Studying Microbiome Assembly in the Phyllosphere and in Vegetable Fermentation

Published on: June 3, 2020

Area of Science:

  • Microbiology
  • Systems Biology
  • Bioinformatics

Background:

  • Lactic acid bacteria (LAB) are crucial in the food industry, natural ecosystems, and human health.
  • Genomic characterization of LAB has advanced significantly, with over 100 genomes available.
  • Functional and comparative metagenomics offer deep insights into LAB applications, including fermentation starters and probiotics.

Purpose of the Study:

  • To review systems biology approaches for managing and utilizing the vast information generated from lactic acid bacteria research.
  • To provide an overview of current paradigms in industrial LAB applications.
  • To explore future developments, including synthetic biology and next-generation applications of LAB.

Main Methods:

  • Review of existing literature on lactic acid bacteria genomics, metagenomics, and systems biology.
  • Analysis of current industrial applications and scientific paradigms.
  • Exploration of future trends and potential applications in synthetic biology.

Main Results:

  • Over 100 complete or near-complete LAB genomes are available, serving as scientific models.
  • Metagenomic studies reveal extensive insights into LAB functions in various applications.
  • There is a growing need for systematic data storage and intelligent systems for self-learning and improvement.

Conclusions:

  • Systems biology approaches are essential for harnessing the full potential of lactic acid bacteria.
  • Future developments will likely involve integrating LAB into synthetic biology and novel applications.
  • Advanced data management and intelligent systems are key to future advancements in LAB research and application.