Differential Lysis Approach Enables Selective Extraction of Taxon-Specific Proteins for Gut Metaproteomics

Wang, Jiaqin, Zhang, Xu, Li, Leyuan, Ning, Zhibin, Mayne, Janice, Schmitt-Ulms, Cian, Walker, Krystal, Cheng, Kai and Figeys, Daniel (2020) Differential Lysis Approach Enables Selective Extraction of Taxon-Specific Proteins for Gut Metaproteomics. Analytical Chemistry, 92 (7). pp. 5379-5386. ISSN 0003-2700

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Abstract

Changes in microbiome composition and function have been linked to human health and diseases. Metaproteomics provides invaluable functional information on the state of a microbiome. However, lower-abundance bacteria in complex microbiomes are difficult to observe by metaproteomics. In this study, stepwise differential lysis protocols were developed for human stool microbiomes to separate different microbial species and to increase the depth of metaproteomic measurements. We achieved differential lysis of Gram-positive (G+) and Gram-negative (G-) bacteria, selective enrichment of specific bacteria, and functional enrichment by our stepwise differential lysis protocols. Therefore, differential lysis can serve as a fractionation method to reduce sample complexity and selectively extract proteins from specific taxa for deep metaproteomic studies.

Item Type: Article
Additional Information: The Supporting Information is available free of charge at https://pubs.acs.org/doi/10.1021/acs.analchem.0c00062.
Uncontrolled Keywords: analytical chemistry ,/dk/atira/pure/subjectarea/asjc/1600/1602
Faculty \ School: Faculty of Medicine and Health Sciences > Norwich Medical School
UEA Research Groups: Faculty of Medicine and Health Sciences > Research Centres > Metabolic Health
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Depositing User: LivePure Connector
Date Deposited: 16 Mar 2026 13:30
Last Modified: 16 Mar 2026 13:30
URI: https://ueaeprints.uea.ac.uk/id/eprint/102347
DOI: 10.1021/acs.analchem.0c00062

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