Interest of bacterial pangenome analyses in clinical microbiology

Thanks to the progress and decreasing costs in genome sequencing technologies, more than 250,000 bacterial genomes are currently available in public databases, covering most, if not all, of the major human-associated phylogenetic groups of these microorganisms, pathogenic or not. In addition, for ma...

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Veröffentlicht in:Microbial pathogenesis 2020-12, Vol.149, p.104275-104275, Article 104275
Hauptverfasser: Anani, Hussein, Zgheib, Rita, Hasni, Issam, Raoult, Didier, Fournier, Pierre-Edouard
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Sprache:eng
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Zusammenfassung:Thanks to the progress and decreasing costs in genome sequencing technologies, more than 250,000 bacterial genomes are currently available in public databases, covering most, if not all, of the major human-associated phylogenetic groups of these microorganisms, pathogenic or not. In addition, for many of them, sequences from several strains of a given species are available, thus enabling to evaluate their genetic diversity and study their evolution. In addition, the significant cost reduction of bacterial whole genome sequencing as well as the rapid increase in the number of available bacterial genomes have prompted the development of pangenomic software tools. The study of bacterial pangenome has many applications in clinical microbiology. It can unveil the pathogenic potential and ability of bacteria to resist antimicrobials as well identify specific sequences and predict antigenic epitopes that allow molecular or serologic assays and vaccines to be designed. Bacterial pangenome constitutes a powerful method for understanding the history of human bacteria and relating these findings to diagnosis in clinical microbiology laboratories in order to optimize patient management. •More than 250,000 bacterial genomes are currently available in public databases.•For many species, genomes from several strains are available.•Pangenomics has many applications in clinical microbiology, notably evaluating bacterial genetic diversity and evolution.•Pangenomics also enables predicting virulome and resistome, and developing molecular or serologic assays and vaccines.
ISSN:0882-4010
1096-1208
DOI:10.1016/j.micpath.2020.104275