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MPI-INF D3 Publications :: Thesis :: Schlicker, Andreas

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Thesis - Master's thesis | @MastersThesis | Masterarbeit

Author(s)*:Schlicker, Andreas
BibTeX citekey*:Schlicker2005

Title, School
Title*:A Global Approach to Comparative Genomics: Comparison of Functional Annotation over the Taxonomic Tree
School:Universität des Saarlandes
Type of Thesis*:Master's thesis

Note, Abstract, Copyright
LaTeX Abstract:Genome sequencing projects produce large amounts of data that are stored in sequence databases. Entries in these databases are annotated using the results of different experiments and computational methods. These methods usually rely on homology detection based on sequence similarity searches.

Gene Ontology (GO) provides a standard vocabulary of functional terms, and allows a coherent annotation of gene products. These annotations can be used as a basis for new methods that compare gene products on the basis of their molecular function and biological role.
In this thesis, we present a new approach for integrating the species taxonomy, protein family classifications and GO annotations. We implemented a database and a client application,
GOTaxExplorer, that can be used to perform queries with a simplified language and to process and visualize the results. It allows to compare different taxonomic groups regarding the protein families or the protein functions associated with the different genomes. We developed a method for comparing GO annotations which includes a measure of functional similarity between gene products. The method was able to find functional relationships even if the proteins show no significant sequence similarity. We provide results for different application scenarios, in particular for the identification of new drug targets.

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Referees, Status, Dates
1. Referee:Prof. Dr. Thomas Lengauer, Ph.D.
2. Referee:Prof. Dr. Hans-Peter Lenhof
Supervisor:Dr. Francisco S. Domingues
Date Kolloquium:16 June 2005

MPG Unit:Max-Planck-Institut für Informatik
MPG Subunit:Computational Biology and Applied Algorithmics
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BibTeX Entry:
AUTHOR = {Schlicker, Andreas},
TITLE = {A Global Approach to Comparative Genomics: Comparison of Functional Annotation over the Taxonomic Tree},
SCHOOL = {Universit{\"a}t des Saarlandes},
YEAR = {2005},
TYPE = {Master's thesis}
MONTH = {August},

Entry last modified by Uwe Brahm, 06/04/2007
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Andreas Schlicker
01/03/2006 01:27:38 PM
Uwe Brahm
Christine Kiesel
Andreas Schlicker
Andreas Schlicker
Andreas Schlicker
Edit Dates
06/04/2007 20:45:25
04.01.2006 14:40:31
04/01/2006 14:36:38
03/01/2006 13:28:15
03/01/2006 13:27:40