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Updated: Apr 20, 2026

Generation and Multi-phenotypic High-content Screening of Coxiella burnetii Transposon Mutants
Published on: May 13, 2015
Annotation of phenotypic diversity: decoupling data curation and ontology curation using Phenex
James P Balhoff1, Wasila M Dahdul2, T Alexander Dececchi2
1National Evolutionary Synthesis Center, Durham, NC USA ; Department of Biology, University of North Carolina, Chapel Hill, NC USA.
Phenex software now streamlines evolutionary biology data curation with new features. An Ontology Request Broker and improved collaboration tools enhance efficiency and reduce errors in phenotype annotation.
Area of Science:
- Evolutionary biology
- Bioinformatics
- Computational biology
Background:
- Phenex is a desktop application for semantic annotation of phenotypic character matrix datasets.
- New features address bottlenecks in phenotype curation efficiency.
- Enhancements include provisional term requests, quality control, and collaborative file sharing.
Purpose of the Study:
- To improve the efficiency and workflow of phenotype data curation.
- To reduce errors and manual review in the annotation process.
- To facilitate collaboration among researchers annotating phenotypic data.
Main Methods:
- Developed an Ontology Request Broker (ORB) to decouple data annotation from ontology development.
- Implemented annotation consistency checks for quality control.
- Enhanced file sharing reliability through file change monitoring and autosave for collaborative editing.
Main Results:
- The Ontology Request Broker allows provisional term requests, which are later replaced with permanent identifiers.
- Annotation consistency checks reduce common curation errors and the need for revisions.
- Improved reliability with online folder sharing enhances collaborative editing capabilities.
Conclusions:
- New Phenex features, especially the ORB, enable more effective data annotation.
- Phenoscape curators report a smoother annotation workflow with fewer interruptions.
- The software enhances focus on data annotation by minimizing ontology and file management issues.
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