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Lookup NU author(s): Manuel Banzhaf
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© 2002-2011 IEEE. Pseudomonas aeruginosa is an opportunistic pathogen with a large repertoire of virulence factors that allow it to cause acute and chronic infections. Treatment of P. aeruginosa infections often fail due to its antibiotic resistance mechanisms, thus novel strategies aim at targeting virulence factors instead of growth-related features. Although the elements of the virulence networks of P. aeruginosa have been identified, how they interact and influence the overall virulence regulation is unclear. In this study, we reconstructed the signaling and transcriptional regulatory networks of 12 acute and 8 chronic virulence factors, and the 4 quorum sensing systems of P. aeruginosa. Using Boolean modelling, we showed that the static interactions and the time when they take place are important features in the quorum sensing network. We also found that the virulence factors of the acute networks are under strict repression or non-strict activation, while those of most of the chronic networks are under repression. In conclusion, Boolean modelling provides a system-level view of the P. aeruginosa virulence and quorum sensing networks to gain new insights into the various mechanisms that support its pathogenicity. Thus, we suggest that Boolean modelling could be used to guide the design of new treatments against P. aeruginosa.
Author(s): Banzhaf M, Resendis-Antonio O, Lisandra Zepeda-Mendoza M
Publication type: Article
Publication status: Published
Journal: IEEE Transactions on Nanobioscience
Year: 2020
Volume: 19
Issue: 3
Pages: 394-402
Print publication date: 01/07/2020
Online publication date: 02/03/2020
Acceptance date: 23/02/2020
ISSN (print): 1536-1241
ISSN (electronic): 1558-2639
Publisher: IEEE
URL: https://doi.org/10.1109/TNB.2020.2977820
DOI: 10.1109/TNB.2020.2977820
PubMed id: 32142451
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