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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Nat+Commun
2017 ; 8
(ä): 14631
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Reconstruction of the metabolic network of Pseudomonas aeruginosa to interrogate
virulence factor synthesis
#MMPMID28266498
Bartell JA
; Blazier AS
; Yen P
; Thøgersen JC
; Jelsbak L
; Goldberg JB
; Papin JA
Nat Commun
2017[Mar]; 8
(ä): 14631
PMID28266498
show ga
Virulence-linked pathways in opportunistic pathogens are putative therapeutic
targets that may be associated with less potential for resistance than targets in
growth-essential pathways. However, efficacy of virulence-linked targets may be
affected by the contribution of virulence-related genes to metabolism. We
evaluate the complex interrelationships between growth and virulence-linked
pathways using a genome-scale metabolic network reconstruction of Pseudomonas
aeruginosa strain PA14 and an updated, expanded reconstruction of P. aeruginosa
strain PAO1. The PA14 reconstruction accounts for the activity of 112
virulence-linked genes and virulence factor synthesis pathways that produce 17
unique compounds. We integrate eight published genome-scale mutant screens to
validate gene essentiality predictions in rich media, contextualize intra-screen
discrepancies and evaluate virulence-linked gene distribution across essentiality
datasets. Computational screening further elucidates interconnectivity between
inhibition of virulence factor synthesis and growth. Successful validation of
selected gene perturbations using PA14 transposon mutants demonstrates the
utility of model-driven screening of therapeutic targets.