Abstract
Unbiased metabolomic surveys are used for physiological, clinical and genomic studies to infer genotype-phenotype relationships. Long term reusability of metabolomic data needs both correct metabolite annotations and consistent biological classifications. We have developed a system that combines mass spectrometric and biological metadata to achieve this goal. First, an XMLbased LIMS system enables entering biological metadata for steering laboratory workflows by generating ‘classes’ that reflect experimental designs. After data acquisition, a relational database system (BinBase) is employed for automated metabolite annotation. It consists of a manifold filtering algorithm for matching and generating database objects by utilizing mass spectral metadata such as ‘retention index’, ‘purity’, ‘signal/noise’, and the biological information class. Once annotations and quantitations are complete for a specific larger experiment, this information is fed back into the LIMS system to notify supervisors and users. Eventually, qualitative and quantitative results are released to the public for downloads or complex queries.
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Fiehn, O., Wohlgemuth, G., Scholz, M. (2005). Setup and Annotation of Metabolomic Experiments by Integrating Biological and Mass Spectrometric Metadata. In: Ludäscher, B., Raschid, L. (eds) Data Integration in the Life Sciences. DILS 2005. Lecture Notes in Computer Science(), vol 3615. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11530084_18
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DOI: https://doi.org/10.1007/11530084_18
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-27967-9
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