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Related Concept Videos

Genetic Screens02:46

Genetic Screens

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Genetic screens are tools used to identify genes and mutations responsible for phenotypes of interest. Genetic screens help identify individuals or a group of people at risk of developing  genetic diseases and help them with early intervention, targeted therapy, and reproductive options.
Forward genetic screens
Forward or “classical” genetic screens involve creating random mutations in an organism’s DNA using radiation, mutagens, or insertion of additional bases, which...
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Related Experiment Video

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

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High-throughput screening technologies for enzyme engineering.

Chelsea K Longwell1, Louai Labanieh2, Jennifer R Cochran3

  • 1Department of Chemical and Systems Biology, Stanford University, United States.

Current Opinion in Biotechnology
|June 19, 2017
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Summary
This summary is machine-generated.

New technologies allow ultra-high-throughput screening of enzyme libraries to find improved enzyme variants. These platforms use compartmentalization, with methods including cells, synthetic droplets, and microchambers, to screen millions of variants.

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Area of Science:

  • Biotechnology
  • Enzyme Engineering
  • Molecular Biology

Background:

  • Enzyme engineering aims to improve enzyme properties like activity, specificity, and stability.
  • Ultra-high-throughput screening is crucial for identifying beneficial enzyme variants from large libraries.
  • Compartmentalization is a key principle in enzyme variant screening platforms.

Purpose of the Study:

  • To review emerging technologies for ultra-high-throughput screening of enzyme libraries.
  • To categorize these technologies based on their spatial segregation strategies.
  • To discuss the benefits and limitations of each platform.

Main Methods:

  • Discussion of three main categories of enzyme engineering platforms: cells as reaction compartments, in vitro compartmentalization via synthetic droplets, and microchambers.
  • Analysis of how these platforms enable compartmentalization for reaction component segregation.
  • Highlighting the scale of screening achievable with these emerging technologies.

Main Results:

  • Emerging technologies enable screening of over 10 million enzyme variants.
  • Three primary spatial segregation strategies are identified: cells, synthetic droplets, and microchambers.
  • Each technology offers distinct advantages and disadvantages for enzyme library screening.

Conclusions:

  • Compartmentalization-based technologies are revolutionizing enzyme engineering.
  • These platforms significantly enhance the efficiency and scale of identifying improved enzyme variants.
  • Understanding the benefits and limitations of each approach is vital for selecting appropriate screening platforms.