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Database (Oxford). 2014 Aug 25;2014. pii: bau080. doi: 10.1093/database/bau080. Print 2014.

miRBase Tracker: keeping track of microRNA annotation changes.

Author information

1
Center for Medical Genetics Ghent, Ghent University, Ghent, Belgium.
2
Center for Medical Genetics Ghent, Ghent University, Ghent, Belgium joke.vandesompele@ugent.be.

Abstract

Since 2002, information on individual microRNAs (miRNAs), such as reference names and sequences, has been stored in miRBase, the reference database for miRNA annotation. As a result of progressive insights into the miRNome and its complexity, miRBase underwent addition and deletion of miRNA records, changes in annotated miRNA sequences and adoption of more complex naming schemes over time. Unfortunately, miRBase does not allow straightforward assessment of these ongoing miRNA annotation changes, which has resulted in substantial ambiguity regarding miRNA identity and sequence in public literature, in target prediction databases and in content on various commercially available analytical platforms. As a result, correct interpretation, comparison and integration of miRNA study results are compromised, which we demonstrate here by assessing the impact of ignoring sequence annotation changes. To address this problem, we developed miRBase Tracker (www.mirbasetracker.org), an easy-to-use online database that keeps track of all historical and current miRNA annotation present in the miRBase database. Three basic functionalities allow researchers to keep their miRNA annotation up-to-date, reannotate analytical miRNA platforms and link published results with outdated annotation to the latest miRBase release. We expect miRBase Tracker to increase the transparency and annotation accuracy in the field of miRNA research.

DATABASE URL:

www.mirbasetracker.org.

PMID:
25157074
PMCID:
PMC4142392
DOI:
10.1093/database/bau080
[Indexed for MEDLINE]
Free PMC Article

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