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MetiTree: A Web Application to Organize and Process Metabolomics Data

Published: Friday, September 07, 2012
Last Updated: Friday, September 07, 2012
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MetiTree combines processing, sharing, visualizing, and querying MSn data to help researches to identify metabolites of interest and decrease the time consuming task of identifying metabolites.

Identification of metabolites using high resolution multistage mass spectrometry (MS(n)) data is a significant challenge demanding access to all sorts of computational infrastructures. Meti- Tree is a user-friendly, web application dedicated to organize, process, share, visualize, and compare MS(n) data. It integrates several features to export and visualize complex MS(n) data, facilitating the exploration and interpretation of metabolomics experiments. A dedicated spectral tree viewer allows the simultaneous presentation of three related types of MS(n) data, namely, the spectral data, the fragmentation tree, and the fragmentation reactions. MetiTree stores the data in an internal database to enable searching for similar fragmentation trees and matching against other MS(n) data. As such MetiTree contains much functionality that will make the difficult task of identifying unknown metabolites much easier.

MetiTree is accessible at The source code is available at

The article is published online in the journal Bioinformatics and is free to access.

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