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SubtiWiki 3.0: A relational database for the functional genome annotation of the model organism Bacillus subtilis

by Bingyao Zhu
Doctoral thesis
Date of Examination:2018-01-11
Date of issue:2018-02-12
Advisor:Prof. Dr. Jörg Stülke
Referee:Prof. Dr. Jörg Stülke
Referee:Dr. Fabian Moritz Commichau
Referee:Prof. Dr. Burkhard Morgenstern
crossref-logoPersistent Address: http://dx.doi.org/10.53846/goediss-6723

 

 

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Abstract

English

Biological databases emerged in the 1970s along with the rapid development of information science. Since then, they have greatly helped the research community in data management and information sharing, especially the model organism databases. Model organism databases focus on functional annotations of single well-studied model organisms, such as baker’s yeast, Escherichia coli and Bacillus subtilis. B. subtilis is a model organism for Gram-positive bacteria. It is of great importance in both labs and the industry and SubtiWiki is the model organism database dedicated to it. SubtiWiki is based on MediaWiki software and encourages the community to actively participate in the functional annotation of B. subtilis. With almost 9 years of constant updating, SubtiWiki has reached a state where the data it holds has outgrown the capacity of its engine. The limitations of the MediaWiki software have caused issues in data management, such as data duplication and inconsistency. Therefore, we have decided to migrate the SubtiWiki from MediaWiki to a relational database. The new database layout is structured, integrated and flexible as well. We included JavaScript Object Notation format to handle the challenges brought by the data complexity. In addition, batch operations of the data are now possible. Based on this new database layout, we built a content management system. With this system, the data of SubtiWiki can still be freely edited by the users and each edit is documented. With all data for protein-protein interaction and gene regulation cleaned from the wiki text, the visualization of large biological networks in B. subtilis is possible. Hence, we have included two more Subti-Apps, i.e. the interaction browser and the regulation browser. Those network browsers present biological networks at different levels. In addition, we introduced the genome browser for the access of DNA and protein sequences. The new implementation of SubtiWiki is user- and developer-friendly. Interactive data visualizations based on web technologies are created for efficient information communication. The modularized design makes SubtiWiki easily extendable. With the new database layout and Subti-Apps, SubtiWiki will continue serving the Bacillus research community by providing up-to-date and well-presented functional annotations of B. subtilis.
Keywords: Biological database; SubtiWiki; Bacillus subtilis; Content management system; data visualization; web application
 

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