ArticleAngewandte Chemie (International ed. in English)2025
Gromomycins: An Unprecedented Class of Triterpene Antibiotics Produced by a Novel Biosynthetic Pathway.
Article in Angewandte Chemie (International ed. in English), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Discovery and Biosynthetic Characterization of Darumycins Expand the Chemical Space of Sesterterpene Antibiotics.JACS Au · 2026Article
- Discovery of Pyranoquinolone Diterpenoids Biosynthesized through Oxidative Indole Rearrangement and Atypical Terpene Cyclization.Journal of the American Chemical Society · 2026Article
- Genome Mining-Driven Isolation of New Gromomycins and Insights into Their Mode of Action.ACS chemical biology · 2026Article
- Recent strategies and methodological advances for microbial natural product research in the post-genomics era.Archives of microbiology · 2025Review
- Gromomycins: An Unprecedented Class of Triterpene Antibiotics Produced by a Novel Biosynthetic Pathway.Angewandte Chemie (International ed. in English) · 2025Article
Corrections and comments
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Authors and funding
12 authors.
Funding
Abstract
The current situation with drug-resistant microbial pathogens is critical, dictating an acute need for novel efficient antibiotics. Herein, we report a new class of antibiotics named gromomycins with significant activity, especially against drug-resistant Gram-positive pathogens, including methicillin- and daptomycin-resistant Staphylococcus aureus. Gromomycins are pentacyclic triterpenes with a cyclic guanidino group forming the fifth six-membered ring. We have used transposon mutagenesis to identify the gromomycin biosynthetic gene cluster, since it could not be assigned by any available bioinformatics tools, highlighting its unique biosynthetic route. Using gene cluster engineering, feeding experiments, and LC-MS and NMR analyses we have proposed the biosynthetic pathway for gromomycins, which are the first bacterial triterpenes synthesized independently of the squalene pathway. They also exhibit a so far unprecedented cyclization route that utilizes a hexaprenylguanidine linear precursor. Leveraging our understanding of their biosynthesis, we have identified additional gromomycin producers, resulting in the isolation of novel bioactive derivatives.
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Registered trials
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