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...
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...
Catalytically Perfect Enzymes01:07

Catalytically Perfect Enzymes

The theory of catalytically perfect enzymes was first proposed by W.J. Albery and J. R. Knowles in 1976. These enzymes catalyze biochemical reactions at high-speed. Their catalytic efficiency values range from 108-109 M-1s-1. These enzymes are also called 'diffusion-controlled' as the only rate-limiting step in the catalysis is that of the substrate diffusion into the active site. Examples include triose phosphate isomerase, fumarase, and superoxide dismutase.
Upstream Processing01:27

Upstream Processing

Upstream processing represents a critical phase in biomanufacturing, wherein biological systems such as microorganisms, mammalian cells, or insect cells are cultivated to produce therapeutic proteins, vaccines, enzymes, or other biologically derived products. This phase encompasses all steps from the selection and genetic manipulation of the production organism to the cultivation of cells in bioreactors under tightly controlled environmental conditions.Host Selection and Genetic OptimizationThe...
Synthetic Biology02:55

Synthetic Biology

Synthetic biology is an interdisciplinary science that involves using principles from disciplines such as engineering, molecular biology, cell biology, and systems biology. It involves remodeling existing organisms from nature or constructing completely new synthetic organisms for applications such as protein or enzyme production, bioremediation, value-added macromolecule production, and the addition of desirable traits to crops, to name a few.
Golden rice
Golden rice is a genetically modified...
Production of Pharmaceuticals01:30

Production of Pharmaceuticals

Industrial insulin production uses genetically engineered E. coli expressing a proinsulin gene controlled by a tryptophan promoter and containing a methionine linker for later cleavage. The cells also carry ampicillin resistance for selective growth. Seed cultures are stored at −80 °C and production begins by thawing a small amount to inoculate starter cultures, which are progressively scaled to a 50,000-L bioreactor. In the bioreactor, E. coli grow in nutrient-rich media under sterile, tightly...

You might also read

Related Articles

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

Sort by
Same author

Uncommon histopathological features of cytomegalovirus encephalitis and measles inclusion body encephalitis on autopsy in two patients with primary immunodeficiency.

Clinical neuropathology·2022
Same author

Isolation & identification of anti-inflammatory constituents of Randia dumetorum lamk. fruit: Potential beneficial effects against acute lung injury.

Journal of ethnopharmacology·2022
Same author

Getting to the roots of <i>Cicer arietinum</i> L. (chickpea) to study the effect of salinity on morpho-physiological, biochemical and molecular traits.

Saudi journal of biological sciences·2022
Same author

Recurrent urinary tract infection and estrogen shape the taxonomic ecology and function of the postmenopausal urogenital microbiome.

Cell reports. Medicine·2022
Same author

The diagnostic utility of rheumatoid factor and anticitrullinated protein antibody for rheumatoid arthritis in the Indian population.

Medical journal, Armed Forces India·2022
Same author

The spectroscopic and computational study of anthracene based chemosensor - Ag<sup>+</sup> interactions.

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy·2022
Same journal

Sustainable and green novel sorbent-based immobilization of PFAS and their enhanced adsorption to treat environmental contamination.

Critical reviews in biotechnology·2026
Same journal

Advances, challenges, and opportunities in engineering C5 and C6 sugar transporters in yeast for bio-based industrial biotechnology.

Critical reviews in biotechnology·2026
Same journal

Microbial engineering for the conversion of C1 feedstocks into value-added bioproducts: recent advances and perspectives.

Critical reviews in biotechnology·2026
Same journal

A step forward toward improved cold tolerance in rice: integrating physiological insights with cutting-edge genomic approaches.

Critical reviews in biotechnology·2026
Same journal

Emerging role of nanotechnology in the protection of BT biopesticide from UV radiations.

Critical reviews in biotechnology·2026
Same journal

Tuning molecular weight of poly-γ-glutamic acid: advanced biosynthetic engineering approaches and diversified applications.

Critical reviews in biotechnology·2026
See all related articles

Related Experiment Video

Updated: May 18, 2026

A New Screening Method for the Directed Evolution of Thermostable Bacteriolytic Enzymes
13:30

A New Screening Method for the Directed Evolution of Thermostable Bacteriolytic Enzymes

Published on: November 7, 2012

Directed evolution: tailoring biocatalysts for industrial applications.

Ashwani Kumar1, Suren Singh

  • 1Enzyme Technology Group, Department of Biotechnology and Food Technology, Faculty of Applied Sciences, Durban University of Technology , Durban , South Africa.

Critical Reviews in Biotechnology
|September 19, 2012
PubMed
Summary
This summary is machine-generated.

Directed evolution is a powerful protein engineering method for creating novel biocatalysts. This approach rapidly improves enzyme fitness for industrial applications, though enhanced mutagenesis and screening tools are still needed.

More Related Videos

Directed Evolution Method in Saccharomyces cerevisiae: Mutant Library Creation and Screening
10:50

Directed Evolution Method in Saccharomyces cerevisiae: Mutant Library Creation and Screening

Published on: April 1, 2016

Multi-enzyme Screening Using a High-throughput Genetic Enzyme Screening System
08:10

Multi-enzyme Screening Using a High-throughput Genetic Enzyme Screening System

Published on: August 8, 2016

Related Experiment Videos

Last Updated: May 18, 2026

A New Screening Method for the Directed Evolution of Thermostable Bacteriolytic Enzymes
13:30

A New Screening Method for the Directed Evolution of Thermostable Bacteriolytic Enzymes

Published on: November 7, 2012

Directed Evolution Method in Saccharomyces cerevisiae: Mutant Library Creation and Screening
10:50

Directed Evolution Method in Saccharomyces cerevisiae: Mutant Library Creation and Screening

Published on: April 1, 2016

Multi-enzyme Screening Using a High-throughput Genetic Enzyme Screening System
08:10

Multi-enzyme Screening Using a High-throughput Genetic Enzyme Screening System

Published on: August 8, 2016

Area of Science:

  • Biotechnology
  • Protein Engineering
  • Enzyme Technology

Background:

  • White biotechnology drives demand for novel biocatalysts, necessitating protein engineering solutions.
  • Enzyme engineering has historically employed various methods to enhance enzyme function and properties.

Purpose of the Study:

  • To review fundamental and major developments in directed evolution techniques.
  • To highlight advances in mutagenesis, screening, and selection methods for enzyme engineering.
  • To discuss the role of directed evolution in adapting enzymes for industrial use.

Main Methods:

  • Review of literature on directed evolution, random mutagenesis, screening, selection, and computational design.
  • Analysis of techniques for creating molecular diversity, including advantages and disadvantages.
  • Examination of recent strategies in enzyme evolution.

Main Results:

  • Directed evolution enables rapid development of enzymes with improved fitness under selection pressure.
  • Advancements in random mutagenesis, screening, and computational design enhance directed evolution.
  • Examples of enzymes developed using directed evolution approaches are presented.

Conclusions:

  • Directed evolution is crucial for adapting enzymes for industrial applications, often without detailed mechanistic understanding.
  • Continued improvement in mutagenesis strategies and automated screening/selection tools is essential.
  • The versatility of directed evolution supports its future role in biocatalyst development.