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Integrative omics identifies conserved and pathogen-specific responses of sepsis-causing bacteria
Journal article   Open access   Peer reviewed

Integrative omics identifies conserved and pathogen-specific responses of sepsis-causing bacteria

Andre Mu, William P Klare, Sarah L Baines, C N Ignatius Pang, Romain Guérillot, Nichaela Harbison-Price, Nadia Keller, Jonathan Wilksch, Nguyen Thi Khanh Nhu, Minh-Duy Phan, …
Nature communications, Vol.14(1), Art. 1530
2023
PMID: 36934086
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Published5.76 MBDownloadView
CC BY V4.0 Open Access

Abstract

Anti-Bacterial Agents - therapeutic use Bacteria Escherichia coli Humans Klebsiella Microbial Sensitivity Tests Proteomics Sepsis - microbiology Staphylococcal Infections
Even in the setting of optimal resuscitation in high-income countries severe sepsis and septic shock have a mortality of 20-40%, with antibiotic resistance dramatically increasing this mortality risk. To develop a reference dataset enabling the identification of common bacterial targets for therapeutic intervention, we applied a standardized genomic, transcriptomic, proteomic and metabolomic technological framework to multiple clinical isolates of four sepsis-causing pathogens: Escherichia coli, Klebsiella pneumoniae species complex, Staphylococcus aureus and Streptococcus pyogenes. Exposure to human serum generated a sepsis molecular signature containing global increases in fatty acid and lipid biosynthesis and metabolism, consistent with cell envelope remodelling and nutrient adaptation for osmoprotection. In addition, acquisition of cholesterol was identified across the bacterial species. This detailed reference dataset has been established as an open resource to support discovery and translational research.

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Collaboration types
Domestic collaboration
International collaboration
Citation topics
1 Clinical & Life Sciences
1.23 Antibiotics & Antimicrobials
1.23.1051 Streptococcal Infections
Web Of Science research areas
Microbiology
ESI research areas
Biology & Biochemistry
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