Selecting methods for draft GEM generation in multicellular eukaryotes: a comparative analysis
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Motivated by multiple strategies that have successfully implemented genome-scale models (GEMs) into their pipeline, several approaches have been developed for automatic generation of draft GEMs. However, most of these methods are not optimized for their use for multicellular eukaryotes and their performance for this task is unclear. In this work we present a comparative analysis of seven automated reconstruction tools (AuReMe, carveMe, Merlin, modelSEED, Pathway tools, Raven and Reconstructor) applied to three multicellular eukaryotes: the mosquito Aedes aegypti, the CHO (Chinese Hamster Ovary) cell line from Cricetulus griseus and the brown algae Ectocarpus siliculosus. Evaluation of these tools was based on metrics for network size, functionality, consistency, representation of organelle-specific functions and organism-specific metabolites, annotation quality and execution time. Finding that similarity of obtained metabolic networks is highly influenced by databases in which these methods base their predictions over phylogeny. Our works aims at providing a practical resource to guide researchers in selecting methods for draft generation tailored to organism characteristics and research goals.
