Advances in lasso peptide discovery, biosynthesis, and function.

Area of Science:

• Biochemistry
• Microbiology
• Natural Products Chemistry

Background:

• Lasso peptides are a diverse class of ribosomally synthesized and post-translationally modified peptides (RiPPs).
• These peptides possess a characteristic slip knot-like structure, conferring high stability.
• Bacteria produce lasso peptides for various ecological roles.

Purpose of the Study:

• To review current knowledge and identify open questions regarding lasso peptide biosynthesis and biological functions.
• To discuss the potential of lasso peptides as scaffolds for biomedically relevant folded peptides.
• To highlight the role of genome mining in discovering and diversifying lasso peptides.

Main Methods:

• Literature review of existing research on lasso peptides.
• Analysis of genomic data for lasso peptide discovery.
• Discussion of methodologies for lasso peptide diversification.

Main Results:

• Lasso peptides exhibit significant sequence diversity and structural stability.
• Their unique structure makes them promising scaffolds for peptide engineering.
• Genome mining has accelerated the discovery of novel lasso peptides and related biosynthetic pathways.

Conclusions:

• Further research is needed to fully elucidate lasso peptide biosynthesis and ecological roles.
• Lasso peptides hold considerable promise for applications in biomedicine and agriculture.
• Advanced discovery and engineering approaches are expanding the utility of these natural products.