GrowMatch: Automatic Model Reconciliation
2009

GrowMatch: An Automated Method for Reconciling In Silico/In Vivo Growth Predictions

Sample size: 72 publication Evidence: high

Author Information

Author(s): Kumar Vinay Satish, Maranas Costas D.

Primary Institution: The Pennsylvania State University

Hypothesis

Can an optimization-based framework automatically reconcile inconsistencies between in silico growth predictions and in vivo data?

Conclusion

GrowMatch improved the consistency of in silico growth predictions from 90.6% to 96.7% by resolving inconsistencies in metabolic models.

Supporting Evidence

  • GrowMatch suggested consistency-restoring hypotheses for 56 out of 72 GNG mutants.
  • GrowMatch resolved 18 GNG inconsistencies by suggesting suppressions in the metabolic networks.
  • GrowMatch improved the specificity of growth predictions from 67.6% to 79.3% with global corrections.

Takeaway

The study created a tool called GrowMatch that helps scientists fix mistakes in computer models of bacteria by comparing them to real-life experiments.

Methodology

An optimization-based framework was used to reconcile growth prediction inconsistencies by suggesting model modifications.

Limitations

The method relies on existing data and may miss biologically relevant hypotheses that require more than the allowed modifications.

Digital Object Identifier (DOI)

10.1371/journal.pcbi.1000308

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