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Ab initio prediction of metabolic networks using Fourier transform mass spectrometry data

Journal article published in 2006 by Rainer Breitling ORCID, Shawn Ritchie, Dayan Goodenowe, Mhairi L. Stewart, Stewart Ml, Michael P. Barrett, Barrett Mp
This paper is available in a repository.
This paper is available in a repository.

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Abstract

Fourier transform mass spectrometry has recently been introduced into the field of metabolomics as a technique that enables the mass separation of complex mixtures at very high resolution and with ultra high mass accuracy. Here we show that this enhanced mass accuracy can be exploited to predict large metabolic networks ab initio, based only on the observed metabolites without recourse to predictions based on the literature. The resulting networks are highly information-rich and clearly non-random. They can be used to infer the chemical identity of metabolites and to obtain a global picture of the structure of cellular metabolic networks. This represents the first reconstruction of metabolic networks based on unbiased metabolomic data and offers a breakthrough in the systems-wide analysis of cellular metabolism. ?? Springer Science+Business Media, Inc. 2006.