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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...
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Bioreactors are engineered vessels designed to cultivate microorganisms under controlled conditions for industrial bioprocessing. They maintain sterility and allow precise regulation of pH, temperature, oxygen, and nutrient levels to optimize microbial growth and metabolite production. Bioreactors range from small laboratory units of 1 liter to industrial systems holding up to 500,000 liters, though only about 75% of their volume is actively used for fermentation. The remaining headspace...
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Microbial Biosensors

Microbial biosensors are analytical devices that utilize living microbes to detect specific substances through measurable signals. These devices consist of two main components: biosensing organisms and signal-transducing elements. Biosensing organisms, such as Escherichia coli or Saccharomyces cerevisiae, are typically housed in multiwell plates connected to transducers, enabling rapid, real-time detection of target analytes.Signal Generation MechanismWhen a target analyte—such as...

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Updated: Jun 18, 2026

Prospecting Microbial Strains for Bioremediation and Probiotics Development for Metaorganism Research and Preservation
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Published on: October 31, 2019

Base Editors for Engineering Industrial Microorganisms: Types, Applications, and Future Perspectives.

Xurui Li1, Shimin Wu1, Pingfang Tian1

  • 1Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, P. R. China.

Biotechnology Journal
|June 17, 2026
PubMed
Summary
This summary is machine-generated.

Base editing technologies directly convert DNA bases without double-strand breaks, enabling microbial genome evolution for industrial applications. This review covers base editors for microorganisms, focusing on applications and future improvements.

Keywords:
CRISPR‐dCas9base editingdeaminaseindustrial microorganismmetabolic engineering

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Area of Science:

  • Molecular Biology
  • Synthetic Biology
  • Microbial Biotechnology

Background:

  • Base editing enables precise nucleotide conversions, distinct from traditional CRISPR-Cas9 methods that induce DNA double-strand breaks.
  • Existing reviews focus on plants and animals; this work specifically addresses base editing in industrial microorganisms.

Purpose of the Study:

  • To provide a comprehensive overview of base editing technologies for industrial microorganisms.
  • To highlight applications in genome sculpting, metabolic flux redirection, and stress tolerance enhancement.
  • To discuss recent advances in in situ bacterial base editing for strain improvement.

Main Methods:

  • Review of deaminase-dependent and glycosylase-dependent base editing strategies.
  • Analysis of applications in microbial genome engineering.
  • Summary of in situ bacterial base editing advancements.

Main Results:

  • Base editors offer a pathway-independent approach for continuous in vivo genome evolution.
  • Applications include metabolic engineering and stress tolerance improvement in industrial microbes.
  • In situ bacterial base editing represents a novel frontier for strain development.

Conclusions:

  • Base editing tools are crucial for advancing biomanufacturing and biomonitoring.
  • Further development is needed to enhance editing efficiency and expand applicability in diverse microorganisms.
  • This review guides future research and deployment of base editing in industrial microbiology.