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A Practical Guide to Phage- and Robotics-Assisted Near-Continuous Evolution
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Published on: January 12, 2024

Protein evolution: innovative chaps.

D Allan Drummond1

  • 1FAS Center for Systems Biology Northwest Building, Rm. 431, 52 Oxford St, Harvard University, Cambridge, MA 02138, USA. dadrummond@cgr.harvard.edu

Current Biology : CB
|November 13, 2009
PubMed
Summary
This summary is machine-generated.

Protein mutations drive innovation but risk instability. Chaperonins can stabilize these novel protein mutants, aiding protein engineering and understanding evolutionary adaptation.

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Mutagenesis and Functional Selection Protocols for Directed Evolution of Proteins in E. coli
09:01

Mutagenesis and Functional Selection Protocols for Directed Evolution of Proteins in E. coli

Published on: March 16, 2011

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Evolutionary Biology

Background:

  • Protein mutations are essential for functional innovation.
  • However, mutations often lead to protein destabilization.
  • Understanding how proteins overcome destabilization is key to evolution and engineering.

Purpose of the Study:

  • To investigate the role of chaperonins in stabilizing functionally innovative protein mutants.
  • To explore the implications of chaperonin-mediated rescue for protein engineering.
  • To provide insights into the mechanisms of adaptive evolution through protein changes.

Main Methods:

  • Utilized computational modeling to simulate protein dynamics.
  • Employed biochemical assays to test protein stability and function.
  • Analyzed evolutionary trajectories of protein families.

Main Results:

  • Demonstrated that chaperonins can effectively rescue destabilized, innovative protein mutants.
  • Identified specific chaperonin-assisted mechanisms that restore protein function.
  • Showcased the potential for chaperonins to facilitate evolutionary leaps.

Conclusions:

  • Chaperonins play a crucial role in enabling the survival and propagation of beneficial, yet unstable, protein variants.
  • This rescue mechanism has significant implications for designing novel proteins with enhanced functions.
  • The findings offer a new perspective on the interplay between mutation, stability, and adaptation in protein evolution.