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Title: Nerpa: A Tool for Discovering Biosynthetic Gene Clusters of Bacterial Nonribosomal Peptides

Journal Article · · Metabolites

Microbial natural products are a major source of bioactive compounds for drug discovery. Among these molecules, nonribosomal peptides (NRPs) represent a diverse class of natural products that include antibiotics, immunosuppressants, and anticancer agents. Recent breakthroughs in natural product discovery have revealed the chemical structure of several thousand NRPs. However, biosynthetic gene clusters (BGCs) encoding them are known only for a few hundred compounds. Here, we developed Nerpa, a computational method for the high-throughput discovery of novel BGCs responsible for producing known NRPs. After searching 13,399 representative bacterial genomes from the RefSeq repository against 8368 known NRPs, Nerpa linked 117 BGCs to their products. We further experimentally validated the predicted BGC of ngercheumicin from Photobacterium galatheae via mass spectrometry. Nerpa supports searching new genomes against thousands of known NRP structures, and novel molecular structures against tens of thousands of bacterial genomes. The availability of these tools can enhance our understanding of NRP synthesis and the function of their biosynthetic enzymes.

Research Organization:
Carnegie Mellon Univ., Pittsburgh, PA (United States)
Sponsoring Organization:
USDOE Office of Science (SC); Russian Foundation for Basic Research (RFBR); Alfred P. Sloan Foundation; National Institutes of Health (NIH); National Science Foundation (NSF); Gordon and Betty Moore Foundation
Grant/Contract Number:
SC0021340; DP2GM137413; DBI2117640; GBMF7622; P41 GM103484; R01 GM107550; 1DP2GM137413-01
OSTI ID:
1825143
Alternate ID(s):
OSTI ID: 1981161
Journal Information:
Metabolites, Journal Name: Metabolites Vol. 11 Journal Issue: 10; ISSN 2218-1989
Publisher:
MDPI AGCopyright Statement
Country of Publication:
Switzerland
Language:
English

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