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  1. ...Can the whole be less than the sum of its parts? Pathway analysis in genome-scale metabolic networks using elementary flux patterns Christoph Kaleta 1 , 2 , 3 , Luís Filipe de Figueiredo 1 and Stefan Schuster 1 1 Department of Bioinformatics...
  2. ...), and it was demonstrated how such reconstructed metabolic models allow direct correlation between the genomic information and metabolic activity at the flux level. In these reconstructed metabolic networks, which consist of several hundred reactions and several hundred metabolites, it was possible to simulate...
  3. ...with the Streptomyces avermitilis genome, we showed that the metabolic genes are highly conserved between these species and therefore the model is suitable for use with other Streptomycetes. Flux balance analysis was applied for studies of the reconstructed metabolic network and to assess its metabolic capabilities...
  4. ...programming framework for identifying gene knockout strategies for microbial strain optimization. Biotechnol. Bioeng. 84 : 647 -657. ↵ Burgard, A.P., Nikolaev, E.V., Schilling, C.H., and Maranas, C.D. 2004 . Flux coupling analysis of -scale metabolic network reconstructions. Genome Res. 14 : 301 -312...
  5. ...assembly is preferred because it allows for the inclusion of disparate data sources, such as annotations, gene expression experiments, enzymatic assays, and physiological data, rather than exclusively genomic data ( Covert et al. 2001 ). Genome-scale metabolic networks have been manually reconstructed...
  6. ...). For example, in the yeast Saccharomyces cerevisiae , flux balance analysis of the reconstructed metabolic network was shown to predict the qualitative effect of single-gene deletions with a combined accuracy of 81%–89%, with 96%–98% of viable and 68%–80% of lethal deletions correctly identified ( Kuepfer et...
  7. ...tomissing reactions” in the Supplemental Material). Altogether, these robustness tests demonstrate the power of our method in making predictions from incomplete network reconstructions (Monk et al. 2014). A B DEF Figure 2. Clustering of flux coupling profiles. (A, top) Silhouette index over number...
  8. ...regulation of metabolism in the form of the regulated flux-balance analysis (rFBA) approach ( Covert et al. 2001 ). This approach requires first reconstructing the transcriptional regulatory network structure in the form of Boolean rules based on the various available data sources and then integrating...
  9. ..., the positioning of duplicate genes at key points of the network topology provides circumstantial evidence for differential regulation of the encoded isoenzymes. Genome-scale analysis of the reconciled model with the flux coupling finder ( Burgard et al. 2004 ) revealed between 65 and 67 coupled reaction sets...
  10. ...-native functionalities that need to be added into a specific host organism network. Mathematically, this is achieved by first introducing a set of binary variables yj that serve as switches to turn the associated reaction fluxes vj on or off. Note that the binary variable yj assumes a value of 1 if reaction j is active...
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