4.5 Article

Genome-enabled plant metabolomics

出版社

ELSEVIER SCIENCE BV
DOI: 10.1016/j.jchromb.2014.04.003

关键词

Plant metabolism; Genomics; Metabolomics; Secondary metabolite

资金

  1. European Commission's Directorate-General for Research within the 7th Framework Program (FP7) [270089]
  2. Deutsche Israeli Project [FE 552/12-1]
  3. Alexander von Humboldt Foundation in Germany

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The grand challenge currently facing metabolomics is that of comprehensitivity whilst next generation sequencing and advanced proteomics methods now allow almost complete and at least 50% coverage of their respective target molecules, metabolomics platforms at best offer coverage of just 10% of the small molecule complement of the cell. Here we discuss the use of genome sequence information as an enabling tool for peak identity and for translational metabolomics. Whilst we argue that genome information is not sufficient to compute the size of a species metabolome it is highly useful in predicting the occurrence of a wide range of common metabolites. Furthermore, we describe how via gene functional analysis in model species the identity of unknown metabolite peaks can be resolved. Taken together these examples suggest that genome sequence information is current (and likely will remain), a highly effective tool in peak elucidation in mass spectral metabolomics strategies. (C) 2014 Elsevier B.V. All rights reserved.

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