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Updated: Sep 18, 2025

From a Natural Product to Its Biosynthetic Gene Cluster: A Demonstration Using Polyketomycin from Streptomyces diastatochromogenes T&#252;6028
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Activating cryptic biosynthetic gene clusters via ACTIMOT.

Xiaoying Bian1

  • 1State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, Shandong, China.

Engineering Microbiology
|June 20, 2025
PubMed
Summary
This summary is machine-generated.

Researchers developed ACTIMOT, a novel method for activating and multiplying bacterial biosynthetic gene clusters (BGCs). This breakthrough expedites the discovery of new compounds and unexploited chemical diversity from bacteria.

Keywords:
ACTIMOTCRISPR-Cas9Genome miningNatural productsStreptomyces

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Area of Science:

  • Microbiology
  • Genomics
  • Synthetic Biology

Background:

  • Genome mining for natural products typically involves homologous activation and heterologous expression of biosynthetic gene clusters (BGCs).
  • Current methods for discovering novel compounds via BGCs have limitations in efficiency.

Purpose of the Study:

  • To develop a more efficient method for discovering untapped chemical diversity from bacteria.
  • To overcome the limitations of existing techniques in BGC activation and expression.

Main Methods:

  • The study introduces ACTIMOT (Advanced Cas9-mediaTed In vivo MObilization and mulTiplication of BGCs).
  • ACTIMOT leverages CRISPR-Cas9 technology for in vivo mobilization and multiplication of BGCs.

Main Results:

  • ACTIMOT significantly expedites the discovery of novel compounds from bacterial genomes.
  • The method provides a new avenue to access previously unexploited or unpredictable biosynthetic potential.

Conclusions:

  • ACTIMOT represents a breakthrough in natural product discovery.
  • This technique enhances the ability to mine bacterial genomes for diverse and novel chemical compounds.