Journal
JOURNAL OF BACTERIOLOGY
Volume 192, Issue 20, Pages 5534-5548Publisher
AMER SOC MICROBIOLOGY
DOI: 10.1128/JB.00900-10
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Funding
- National Science Foundation [0643548]
- National Institutes of Health
- Cystic Fibrosis Research Foundation [1060]
- German Research Foundation [SPP1316]
- Div Of Chem, Bioeng, Env, & Transp Sys
- Directorate For Engineering [0643548] Funding Source: National Science Foundation
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System-level modeling is beginning to be used to decipher high throughput data in the context of disease. In this study, we present an integration of expression microarray data with a genome-scale metabolic reconstruction of Pseudomonas aeruginosa in the context of a chronic cystic fibrosis (CF) lung infection. A genome-scale reconstruction of P. aeruginosa metabolism was tailored to represent the metabolic states of two clonally related lineages of P. aeruginosa isolated from the lungs of a CF patient at different points over a 44-month time course, giving a mechanistic glimpse into how the bacterial metabolism adapts over time in the CF lung. Metabolic capacities were analyzed to determine how tradeoffs between growth and other important cellular processes shift during disease progression. Genes whose knockouts were either significantly growth reducing or lethal in silico were also identified for each time point and serve as hypotheses for future drug targeting efforts specific to the stages of disease progression.
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