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Related Concept Videos

Fermentation01:29

Fermentation

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Most eukaryotic organisms require oxygen to survive and function adequately. Such organisms produce large amounts of energy during aerobic respiration by metabolizing glucose and oxygen into carbon dioxide and water. However, most eukaryotes can generate some energy in the absence of oxygen by anaerobic metabolism.
Fermentation is a type of metabolic process that occurs in the absence of oxygen, where organic molecules such as glucose are broken down to produce energy. During this process, the...
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Microbial Fermentation01:23

Microbial Fermentation

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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...
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Amino Acid Catabolism01:18

Amino Acid Catabolism

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Microorganisms rely on proteins as an essential carbon and energy source, particularly in environments with limited polysaccharides or lipids. However, proteins are too large to cross the plasma membrane unaided, necessitating enzymatic degradation. Microbes secrete extracellular proteases and peptidases that hydrolyze proteins into peptides, which can then be transported across the membrane. Once inside the cell, intracellular proteases degrade these peptides into free amino acids, which...
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Tagging and Fusion Proteins01:24

Tagging and Fusion Proteins

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Proteins are involved in several cellular processes and biochemical reactions. Analyzing a specific protein of interest requires it to be isolated from the other proteins in the cell. This is achieved by overexpressing the specific gene in a suitable host to produce large quantities of the target protein. A tag or label is recombined with the gene to produce a fusion protein containing the target protein and the tag. The tags on these fusion proteins can then be used for easy detection and...
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Protein Modifications in the RER01:26

Protein Modifications in the RER

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Modification of secretory and transmembrane proteins entering the rough ER begins in the ER lumen. These modifications aid in protein folding and stabilize the acquired tertiary structure. Protein modifications in the rough ER co-occur at different stages of protein folding.
Broadly, these modifications can be categorized into four main categories — glycosylation, formation of disulfide bonds, assembly of protein subunits, and specific proteolytic cleavages like removal of signal...
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Fates of Pyruvate01:20

Fates of Pyruvate

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Pyruvate is the end product of glycolysis, where glucose is oxidized to pyruvate, simultaneously reducing NAD+ to NADH. Two molecules of ATP are also produced by substrate-level phosphorylation.
In aerobic organisms, pyruvate is metabolized via the citric acid cycle to produce reduced coenzymes NADH and FADH2. These coenzymes are then oxidized in the electron transport chain to produce ATP and, in the process, regenerate the NAD+ and FAD. As seen in some cell types and organisms, fermentation...
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Design of Solid-State Fermentation Systems for Polymer Hydrolytic Extracellular Enzyme Production by Filamentous Fungi
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The Potential of Fermentation-Based Processing on Protein Modification: A Review.

Negin Yousefi1, Behdad Shokrollahi Yancheshmeh2, Krist V Gernaey1

  • 1Center for Process and Systems Engineering (PROSYS), Department of Chemical and Biochemical Engineering, Technical University of Denmark, 2800 Kongens Lyngby, Denmark.

Foods (Basel, Switzerland)
|October 29, 2025
PubMed
Summary
This summary is machine-generated.

Fermentation enhances protein-rich foods by improving nutrition, functionality, and sustainability. This review explores how microbial processes transform diverse protein sources for healthier, eco-friendly food products.

Keywords:
digestibilityfermentationnutritional changesprotein modificationsensorial propertiestechno-functional properties

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Area of Science:

  • Food Science
  • Biotechnology
  • Nutritional Science

Background:

  • Proteins are essential in food systems for structure, nutrition, and function.
  • Consumer demand for healthy, sustainable protein sources is increasing.
  • Fermentation offers a method to enhance protein-based foods.

Purpose of the Study:

  • To review the impact of fermentation on proteins in food systems.
  • To explore nutritional, functional, and sensory enhancements.
  • To assess sustainability benefits and technological adaptability.

Main Methods:

  • Literature review of current research and industrial practices.
  • Analysis of microbial fermentation's effects on protein structure and properties.
  • Examination of diverse protein sources and microbial strains.

Main Results:

  • Fermentation modifies protein structure, reduces allergenicity, and improves digestibility.
  • It generates bioactive compounds and enhances sensory appeal.
  • Offers a versatile platform for tailoring food products.

Conclusions:

  • Fermentation is a key technology for developing sustainable, healthy, and appealing protein-rich foods.
  • Selecting appropriate protein substrates and microbial hosts is crucial for maximizing benefits.
  • Insights guide future innovations in fermented protein products.