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Updated: Feb 14, 2026

A Facile and Efficient Approach for the Production of Reversible Disulfide Cross-linked Micelles

A Facile and Efficient Approach for the Production of Reversible Disulfide Cross-linked Micelles

Published on: December 23, 2016

Disulfide bond formation in prokaryotes.

Cristina Landeta¹, Dana Boyd¹, Jon Beckwith²

¹Department of Microbiology and Immunobiology, Harvard Medical School, Boston, MA, USA.

Nature Microbiology

|February 22, 2018

Summary

This summary is machine-generated.

Protein disulfide bond formation is crucial for bacterial survival and virulence. Diverse pathways evolved in bacteria and archaea, including variations of the DsbAB system and novel enzymes, impacting protein stability and biomedical applications.

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Area of Science:

Microbiology
Biochemistry
Structural Biology

Background:

Disulfide bonds are vital for bacterial virulence and survival.
The DsbAB pathway is the primary system for disulfide bond formation in Escherichia coli.
Variations in disulfide bond formation pathways are observed across bacteria and archaea.

Purpose of the Study:

To summarize the diversity of disulfide-bond-catalysing systems in prokaryotes.
To explore the biological basis and evolutionary adaptations of these systems.
To present perspectives on their applications in biomedical engineering and drug development.

Main Methods:

Comparative analysis of disulfide bond formation pathways across prokaryotic lineages.
Review of existing literature on Dsb systems and their variations.
Discussion of functional implications and evolutionary significance.

Main Results:

Identified variations of the DsbAB pathway, including DsbB replacement by vitamin K epoxide reductase homologues in Actinobacteria and Cyanobacteria.
Noted non-homologous Dsb systems in Gram-positive bacteria.
Observed disulfide bond formation in both cytoplasm and extracellular space in archaea for protein stabilization under extreme conditions.

Conclusions:

Prokaryotic disulfide bond formation systems exhibit significant diversity, reflecting adaptation to specific ecological niches.
Understanding these systems provides insights into bacterial survival mechanisms.
These pathways offer potential for advancements in biomedical engineering and drug development.