2023
DOI: 10.1101/2023.07.20.549584
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A Taxonomically-informed Mass Spectrometry Search Tool for Microbial Metabolomics Data

Abstract: MicrobeMASST, a taxonomically-informed mass spectrometry (MS) search tool, tackles limited microbial metabolite annotation in untargeted metabolomics experiments. Leveraging a curated database of >60,000 microbial monocultures, users can search known and unknown MS/MS spectra and link them to their respective microbial producers via MS/MS fragmentation patterns. Identification of microbial-derived metabolites and relative producers, without a priori knowledge, will vastly enhance the understanding of microo… Show more

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Cited by 3 publications
(2 citation statements)
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“…To add further evidence for the bacterial origin of the endolides, an extended repository-scale MassQL search of all data sets deposited on MASSIVE from the same mass analyzer (Q-Exactive Orbitrap) was carried out by targeting the accurate masses for the iminium ion as well as the neutral loss of NMefAla. Additionally, we also applied a taxonomically informed mass spectrometry search tool for microbial metabolomics data (microbeMASST) with several different endolides to find putatively cultivable endolide producers that might allow for more detailed biosynthetic studies of the endolides in the future. Unfortunately, both attempts to detect other producer organisms of NMefAla-containing natural products in the repositories were unsuccessful and thus highlight the rarity of the NMefAla building block.…”
Section: Resultsmentioning
confidence: 99%
“…To add further evidence for the bacterial origin of the endolides, an extended repository-scale MassQL search of all data sets deposited on MASSIVE from the same mass analyzer (Q-Exactive Orbitrap) was carried out by targeting the accurate masses for the iminium ion as well as the neutral loss of NMefAla. Additionally, we also applied a taxonomically informed mass spectrometry search tool for microbial metabolomics data (microbeMASST) with several different endolides to find putatively cultivable endolide producers that might allow for more detailed biosynthetic studies of the endolides in the future. Unfortunately, both attempts to detect other producer organisms of NMefAla-containing natural products in the repositories were unsuccessful and thus highlight the rarity of the NMefAla building block.…”
Section: Resultsmentioning
confidence: 99%
“…Similarly, machine learning has been applied to develop de‐novo antimicrobial peptides (AMPs) with broad‐spectrum antibiotic activity against MDR bacteria (Pandi et al., 2023). Metabolic modelling has also proven to be useful for identifying new antibiotic drug targets (Gwynne et al., 2023), as the possibility to identify microbe‐derived metabolites and relative producers without a priori knowledge recently implemented by the microbeMASST, a taxonomically informed mass spectrometry search tool (Zuffa et al., 2024).…”
Section: How Can We Improve Novel Antibiotic Discovery?mentioning
confidence: 99%