[Development and application of ribosomal engineering in actinomycetes]

Area of Science:

• Microbiology
• Biotechnology
• Molecular Biology

Background:

• Ribosomal engineering is a powerful method for improving secondary metabolite biosynthesis.
• It targets bacterial RNA polymerase or ribosome units in antibiotic-resistant mutants.
• This technique is applicable to most actinomycetes, overcoming genetic accessibility limitations.

Purpose of the Study:

• To review the mechanism, development, and protocols of ribosomal engineering.
• To highlight its applications in actinomycetes for secondary metabolite discovery and production.
• To facilitate future advancements in ribosomal engineering and actinomycetes research.

Main Methods:

• Utilizing antibiotics to engineer ribosomal units or RNA polymerase in actinomycetes.
• Generating antibiotic-resistant mutant strains through ribosomal engineering.
• Applying engineered strains for genome mining and production optimization.

Main Results:

• Discovery of over a dozen new molecules.
• Enhanced production of approximately 30 existing secondary metabolites.
• Successful application across diverse actinomycetes strains.

Conclusions:

• Ribosomal engineering is a versatile tool for unlocking the potential of actinomycetes.
• It significantly aids in the discovery and scaled production of bioactive compounds.
• Further development promises expanded applications in natural product drug discovery.