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Table 1 Description of applied ontologies

From: An ontology approach to comparative phenomics in plants

Ontology Content Link
Plant Ontology (PO) [27] Plant anatomy and morphology and development stages
Gene Ontology (GO) [29] Biological processes, cellular components and molecular functions
Chemical Entities of Biological Interest ontology (ChEBI) [43] Molecular entities focused on ‘small’ chemical compounds.
Phenotypic Qualities Ontology (PATO) [16,19] Phenotypic qualities
Plant Experimental Conditions Ontology (EO) Treatments, growing conditions, and/or study types
NCBI taxonomy (NCBITAXON) A curated classification and nomenclature for all of the organisms in the public sequence databases.
Relation Ontology (RO) [41] Core upper-level relations and biology-specific relations
  1. Species-independent ontologies used to form EQ statements. All ontologies were downloaded on 15 March 2014.