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Title: The Cell Ontology 2016: enhanced content, modularization, and ontology interoperability

Journal Article · · Journal of Biomedical Semantics

Background: The Cell Ontology (CL) is an OBO Foundry candidate ontology covering the domain of canonical, natural biological cell types. Since its inception in 2005, the CL has undergone multiple rounds of revision and expansion, most notably in its representation of hematopoietic cells. For in vivo cells, the CL focuses on vertebrates but provides general classes that can be used for other metazoans, which can be subtyped in species-specific ontologies. Construction and content: Recent work on the CL has focused on extending the representation of various cell types, and developing new modules in the CL itself, and in related ontologies in coordination with the CL. For example, the Kidney and Urinary Pathway Ontology was used as a template to populate the CL with additional cell types. In addition, subtypes of the class 'cell in vitro' have received improved definitions and labels to provide for modularity with the representation of cells in the Cell Line Ontology and Reagent Ontology. Recent changes in the ontology development methodology for CL include a switch from OBO to OWL for the primary encoding of the ontology, and an increasing reliance on logical definitions for improved reasoning. Utility and discussion: The CL is now mandated as a metadata standard for large functional genomics and transcriptomics projects, and is used extensively for annotation, querying, and analyses of cell type specific data in sequencing consortia such as FANTOM5 and ENCODE, as well as for the NIAID ImmPort database and the Cell Image Library. The CL is also a vital component used in the modular construction of other biomedical ontologies-for example, the Gene Ontology and the cross-species anatomy ontology, Uberon, use CL to support the consistent representation of cell types across different levels of anatomical granularity, such as tissues and organs. Conclusions: The ongoing improvements to the CL make it a valuable resource to both the OBO Foundry community and the wider scientific community, and we continue to experience increased interest in the CL both among developers and within the user community.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1618933
Alternate ID(s):
OSTI ID: 1378778
Journal Information:
Journal of Biomedical Semantics, Journal Name: Journal of Biomedical Semantics Vol. 7 Journal Issue: 1; ISSN 2041-1480
Publisher:
Springer Science + Business MediaCopyright Statement
Country of Publication:
United Kingdom
Language:
English
Citation Metrics:
Cited by: 121 works
Citation information provided by
Web of Science

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Cited By (19)

Cell BLAST: Searching large-scale scRNA-seq databases via unbiased cell embedding journal April 2019
Cell type discovery and representation in the era of high-content single cell phenotyping journal December 2017
An ontology for representing hematologic malignancies: the cancer cell ontology journal April 2019
Gene Ontology Causal Activity Modeling (GO-CAM) moves beyond GO annotations to structured descriptions of biological functions and systems journal September 2019
Supervised classification enables rapid annotation of cell atlases journal September 2019
scMatch: a single-cell gene expression profile annotation tool using reference datasets journal April 2019
The Monarch Initiative: an integrative data and analytic platform connecting phenotypes to genotypes across species journal November 2016
The Immune Epitope Database (IEDB): 2018 update journal October 2018
Human Disease Ontology 2018 update: classification, content and workflow expansion journal November 2018
SEAweb: the small RNA Expression Atlas web application journal October 2019
The Monarch Initiative in 2019: an integrative data and analytic platform connecting phenotypes to genotypes across species journal November 2019
eQTL Catalogue: a compendium of uniformly processed human gene expression and splicing QTLs journal January 2021
Supervised classification enables rapid annotation of cell atlases journal February 2019
Extracting T Cell Function and Differentiation Characteristics from the Biomedical Literature posted_content September 2019
Comparison, alignment, and synchronization of cell line information between CLO and EFO journal December 2017
CellSim: a novel software to calculate cell similarity and identify their co-regulation networks journal March 2019
Comprehensive anatomic ontologies for lung development: A comparison of alveolar formation and maturation within mouse and human lung journal October 2019
The Gene Ontology of eukaryotic cilia and flagella journal November 2017
A periodic table of cell types journal June 2019

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