bioRxivBioinformatics
Impact of knowledge accumulation on pathway enrichment analysis
Lina WadiiD, Mona Meyer, Joel Weiser, Lincoln D Stein, Juri Reimand
Abstract
Pathway-based interpretation of gene lists is a staple of genome analysis. It depends on frequently updated gene annotation databases. We analyzed the evolution of gene annotations over the past seven years and found that the vocabulary of pathways and processes has doubled. This strongly impacts practical analysis of genes: 80% of publications we surveyed in 2015 used outdated software that only captured 20% of pathway enrichments apparent in current annotations.
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