OBO

Mobile Genetic Element Ontology

"MeGO is a Gene Ontology under construction dedicated to the functions of mobile genetic elements. The terms defined in MeGO are used to annotate phage and plasmid protein families in ACLAME.
Please note that some terms in the ontology are there transiently as markers or awaiting future incorporation in the sequence ontology (SO). The phage ontology PhiGO has now been incorporated in MeGO and can thus be accessed in MeGO version 1.0 and up."

Cell Phenotype Ontology

"The Cell Phenotype Ontology (CPO) is an ontology to describe phenotypes on the cellular scale. It contains a rich classification of cellular component abnormalities, including links to morphological and physiological abnormalities. Based on the Gene Ontology's classification of cellular processes, CPO provides a large number of formally as well as textually defined classes to characterize process abnormalities."

National Center for Biotechnology Information Taxonomy

"The NCBI Taxonomy database is a curated set of names and classifications for all of the organisms that are represented in GenBank. When new sequences are submitted to GenBank, the submission is checked for new organism names, which are then classified and added to the Taxonomy database. As of April 2003, there were 176,890 total taxa represented.

"The NCBI Taxonomy database is a curated set of names and classifications for all of the organisms that are represented in GenBank. When new sequences are submitted to GenBank, the submission is checked for new organism names, which are then classified and added to the Taxonomy database. As of April 2003, there were 176,890 total taxa represented.

African Traditional Medicine Ontology

"The ontology consists of concepts or terms (nodes) that are linked by three types of relationships (edges). That means the ontology appears as a direct acyclic graph. The parent and child terms are connected to each other by is_a and part_of relationships. The former is a relation in which the child term is a more restrictive concept than its parent (thus divination is_a traditional_practice). The latter is used to show the inclusion relationships between concepts, for example that a potion_type is part_of a potion."

Basic Formal Ontology

"BFO grows out of a philosophical orientation which overlaps with that of DOLCE and SUMO. Unlike these, however, it is narrowly focused on the task of providing a genuine upper ontology which can be used in support of domain ontologies developed for scientific research, as for example in biomedicine within the framework of the OBO Foundry. Thus BFO does not contain physical, chemical, biological or other terms which would properly fall within the special sciences domains.

Ontology of Anatomical Entities

"The AEO is an ontology of anatomical structures that expands CARO, the Common Anatomy Reference Ontology, to about 160 classes using the is_a relationship; it thus provides a detailed type classification for tissues. The ~100 new classes were chosen for their use in categorizing the major vertebrate and invertebrate anatomy ontologies at a granularity adequate for tissues of a single cell type.
The AEO is intended to be useful in increasing the amount of knowledge in anatomy ontologies, facilitating annotation and enabling interoperability across anatomy ontologies.

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