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An approach to pathway reconstruction using whole genome metabolic models and sensitive sequence searching

Saqi, Mansoor ; Dobson, Richard J.B. ; Kraben, Preben ; Hodgson, David A. ; Wild, David L.

Journal of Integrative Bioinformatics - JIB (ISSN 1613-4516)


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Abstract:
Metabolic models have the potential to impact on genome annotation and on the interpretation of gene expression and other high throughput genome data. The genome of coelicolor genome has been sequenced and some 30% of the open reading frames (ORFs) lack any functional annotation. A recently constructed metabolic network model for S. coelicolor highlights biochemical functions which should exist to make the metabolic model complete and consistent. These include 205 reactions for which no ORF is associated. Here we combine protein functional predictions for the unannotated open reading frames in the genome with 'missing but expected' functions inferred from the metabolic model. The approach allows function predictions to be evaluated in the context of the biochemical pathway reconstruction, and feed back iteratively into the metabolic model. We describe the approach and discuss a few illustrative examples.


Institution: Faculty of Technology, Research Groups in Informatics
DDC classification: Data processing, computer science, computer systems

Suggested Citation:
Saqi, Mansoor ; Dobson, Richard J.B. ; Kraben, Preben ; Hodgson, David A. ; Wild, David L.  (2009)  An approach to pathway reconstruction using whole genome metabolic models and sensitive sequence searching. Journal of Integrative Bioinformatics - JIB (ISSN 1613-4516), 6(1), 2009

Online-Journal: http://journal.imbio.de/article.php?aid=107
URL: http://biecoll.ub.uni-bielefeld.de/volltexte/2010/2050



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