Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

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...
Production of Alcohol01:27

Production of Alcohol

Continuous fermentation is a key strategy in industrial ethanol production, particularly when efficiency, scalability, and high yields are essential. This approach allows for uninterrupted operation and optimized resource utilization. The primary feedstock, corn starch, undergoes enzymatic hydrolysis facilitated by α-amylase and glucoamylase. These enzymes break down the starch into fermentable sugars such as glucose, which are readily assimilated by fermentative microorganisms.Fermentation...
Other Glycolytic Pathways01:24

Other Glycolytic Pathways

The pentose phosphate pathway (PPP) operates in parallel with glycolysis, facilitating the metabolism of both pentoses and glucose. This pathway consists of two distinct phases: the oxidative and non-oxidative phases. While it does not directly generate ATP, the intermediates formed during the process can integrate into glycolysis, contributing to cellular energy metabolism when required.Oxidative Phase: NADPH ProductionThe oxidative phase of the pentose phosphate pathway is primarily...
Evolution of New Traits in Microbes01:24

Evolution of New Traits in Microbes

Microorganisms evolve rapidly due to their large population sizes and short generation times, often exhibiting measurable changes within days under laboratory conditions. Natural selection acts on standing genetic variation, enabling the retention and amplification of beneficial traits that confer fitness advantages in changing environments.Adaptive Pigment Regulation in RhodobacterIn Rhodobacter, a genus of purple non-sulfur bacteria, light-harvesting pigments such as bacteriochlorophyll and...
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...
Scale-Up Processes01:14

Scale-Up Processes

The scale-up of microbial fermentation processes is essential in industrial biotechnology, allowing the transition from laboratory-scale experiments to commercial-scale production while aiming to maintain product yield and quality. This process requires meticulous adjustment of equipment design, process parameters, and contamination control strategies to accommodate increasing culture volumes.At the laboratory scale, cultures are typically maintained in 1 to 10-liter glass or autoclavable...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

A novel entorhinal projection to the rat dentate gyrus: direct innervation of proximal dendrites and cell bodies of granule cells and GABAergic neurons.

The Journal of neuroscience : the official journal of the Society for Neuroscience·1996
Same author

Diagnostic utility of K-ras mutations in fine-needle aspirates of pancreatic masses.

Gastroenterology·1996
Same author

Mutational analysis and secondary structure model of the RNP1-like sequence motif of transcription termination factor Rho.

Journal of molecular biology·1996
Same author

Residues in the RNP1-like sequence motif of Rho protein are involved in RNA-binding affinity and discrimination.

Journal of molecular biology·1996
Same author

Effects of continuous low-dose-rate brachytherapy on the rectum of the rat.

Radiation research·1996
Same author

Efficacy of epiroprim (Ro11-8958), a new dihydrofolate reductase inhibitor, in the treatment of acute Toxoplasma infection in mice.

The American journal of tropical medicine and hygiene·1996

Related Experiment Video

Updated: Jun 15, 2026

Light-Controlled Fermentations for Microbial Chemical and Protein Production
08:37

Light-Controlled Fermentations for Microbial Chemical and Protein Production

Published on: March 22, 2022

Engineering the Escherichia coli fermentative metabolism.

M Orencio-Trejo1, J Utrilla, M T Fernández-Sandoval

  • 1Departamento de Ingeniería Celular y Biocatálisis, Instituto de Biotecnología, Universidad Nacional Autónoma de México, 510-3, Cuernavaca, Morelos, 62250, México.

Advances in Biochemical Engineering/Biotechnology
|February 26, 2010
PubMed
Summary

Metabolic engineering of Escherichia coli enhances its fermentative capabilities for industrial biocatalysis. This review details efforts to optimize E. coli for high-titer production of valuable chemicals like ethanol and succinate.

More Related Videos

Characterizing Mediated Extracellular Electron Transfer in Lactic Acid Bacteria with a Three-Electrode, Two-Chamber Bioelectrochemical System
10:23

Characterizing Mediated Extracellular Electron Transfer in Lactic Acid Bacteria with a Three-Electrode, Two-Chamber Bioelectrochemical System

Published on: August 23, 2024

Using Synthetic Biology to Engineer Living Cells That Interface with Programmable Materials
10:28

Using Synthetic Biology to Engineer Living Cells That Interface with Programmable Materials

Published on: March 9, 2017

Related Experiment Videos

Last Updated: Jun 15, 2026

Light-Controlled Fermentations for Microbial Chemical and Protein Production
08:37

Light-Controlled Fermentations for Microbial Chemical and Protein Production

Published on: March 22, 2022

Characterizing Mediated Extracellular Electron Transfer in Lactic Acid Bacteria with a Three-Electrode, Two-Chamber Bioelectrochemical System
10:23

Characterizing Mediated Extracellular Electron Transfer in Lactic Acid Bacteria with a Three-Electrode, Two-Chamber Bioelectrochemical System

Published on: August 23, 2024

Using Synthetic Biology to Engineer Living Cells That Interface with Programmable Materials
10:28

Using Synthetic Biology to Engineer Living Cells That Interface with Programmable Materials

Published on: March 9, 2017

Area of Science:

  • Microbiology
  • Metabolic Engineering
  • Industrial Biotechnology

Background:

  • Fermentative metabolism is crucial for industrial biocatalysis.
  • Escherichia coli is a well-characterized, rapidly growing microorganism adaptable to various conditions.
  • E. coli's metabolic pathways can be engineered for chemical production.

Purpose of the Study:

  • To review metabolic engineering strategies applied to E. coli.
  • To highlight manipulation of central carbon and fermentative pathways.
  • To focus on achieving high titers of specific chemical products.

Main Methods:

  • Metabolic pathway engineering in E. coli.
  • Bioprocessing techniques for optimizing microbial strains.
  • Genetic manipulation of central carbon metabolism.
  • Fermentative pathway engineering.

Main Results:

  • Engineered E. coli strains demonstrate enhanced production of target metabolites.
  • High titers of ethanol, alanine, lactate, and succinate have been achieved.
  • Metabolic engineering successfully exploits E. coli's biocatalytic potential.

Conclusions:

  • E. coli is a versatile platform for industrial biocatalysis through metabolic engineering.
  • Targeted manipulation of E. coli's metabolism enables efficient production of valuable chemicals.
  • Further research can expand E. coli's application in producing diverse industrial compounds.