Skip to main content

Table 1 Overview of the different ‘omic’ levels used in systems genomic analyses

From: Multi-omic data integration and analysis using systems genomics approaches: methods and applications in animal production, health and welfare

  Description References
Genome Complete collection of DNA, containing all the genetic information of an organism [5]
Epigenome Complete collection of changes to the DNA and histone proteins [6]
Transcriptome Complete collection of RNA molecules in a cell or collection of cells [7]
Proteome Complete collection of proteins in e.g. a cell, tissue, or organism [8]
Metabolome Complete collection of small-molecule chemicals (e.g. hormones) in e.g. a cell, tissue or organism [911]
Microbiome Complete collection of (genes of) microbes in the organism [12]
Metagenome Complete collection of genetic material contained in an environmental sample [13]
Phenome Complete collection of phenotypic traits, affected by genomic and/or environmental factors in an organism [14, 15]
Functome Complete collection of functions described by all the complementary members in living organisms [16, 17]