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September 19, 2025Open Access

Construction of Probiotic Escherichia coli Nissle 1917 as a Next- Generation Expression Platform and Its Application in Therapeutic Protein Production

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Authors

CWChenglin WangLLLitai LouZDZiqiao Dai

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Overview

This research utilizes escherichia coli nissle 1917 to produce therapeutic proteins, suggesting a novel low-LPS platform.

Key Points

  • The engineered strain ecN::T7ΔompTΔiclRΔarcA produced 3.2-fold more protein than its parental strain, indicating enhanced yield.
  • Mutant ecN::T7ΔompTΔiclRΔarcA achieved 89.3% of BL21(DE3)’s interferon α-2b titer and maintained full biological activity.
  • Using crispr/cas9 technology, critical genes were edited to improve protein synthesis in ecN, demonstrating a novel approach.
  • This platform reduces the need for extensive lipopolysaccharide removal, implying cost-effective and compliant biomanufacturing solutions.

Cite This Study

Wang et al. (2025) studied this question.

synapsesocial.com/papers/68d466c431b076d99fa65ebbhttps://doi.org/10.21203/rs.3.rs-7512809/v1
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Escherichia coli Nissle 1917 as a Probiotic Microbial Cell Factory: From Genetic Engineering to Fermentation2026 · 2 citations
  2. 2An Antibiotic‐Free Cryptic Plasmid Platform for Modular Pathway Coupling in Probiotic <i>Escherichia Coli</i> Nissle 19172026
  3. 3Systems Metabolic Engineering to Elucidate and Enhance Intestinal Metabolic Activities of <i>Escherichia coli</i> Nissle 19172024 · 9 citations
  4. 4Engineering Escherichia coli Nissle as safe chassis for delivery of therapeutic peptides2025
  5. 5Constructing an Antibiotic-Free Protein Expression System for Ovalbumin Biosynthesis in Probiotic <i>Escherichia coli</i> Nissle 19172024 · 9 citations