Fig. 1From: MicrO: an ontology of phenotypic and metabolic characters, assays, and culture media found in prokaryotic taxonomic descriptionsScreen Capture Showing Microbiological Culture Medium Recipes and Logical Axioms Employed. Logical axioms for these classes included the chemical ingredients used to make up the medium in addition to several Value Partitions that described the pH, salinity, and redox of the culture medium (for example: ‘has salinity’ some ‘brackish salinity’)Back to article page