Metabolic Profiling Allows Comprehensive Phenotyping of Genetically or Environmentally Modified Plant Systems

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ID: 299080
2001
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Abstract
Metabolic profiling using gas chromatography–mass spectrometry technologies is a technique whose potential in the field of functional genomics is largely untapped. To demonstrate the general usefulness of this technique, we applied to diverse plant genotypes a recently developed profiling protocol that allows detection of a wide range of hydrophilic metabolites within a single chromatographic run. For this purpose, we chose four independent potato genotypes characterized by modifications in sucrose metabolism. Using data-mining tools, including hierarchical cluster analysis and principle component analysis, we were able to assign clusters to the individual plant systems and to determine relative distances between these clusters. Extraction analysis allowed identification of the most important components of these clusters. Furthermore, correlation analysis revealed close linkages between a broad spectrum of metabolites. In a second, complementary approach, we subjected wild-type potato tissue to environmental manipulations. The metabolic profiles from these experiments were compared with the data sets obtained for the transgenic systems, thus illustrating the potential of metabolic profiling in assessing how a genetic modification can be phenocopied by environmental conditions. In summary, these data demonstrate the use of metabolic profiling in conjunction with datamining tools as a technique for the comprehensive characterization of a plant genotype.
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openalex_W2162314707 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Ute Roessner, Alexander Luedemann, Doreen Brust, Oliver Fiehn, Thomas Linke, Lothar Willmitzer, Alisdair R. Fernie
Journal The Plant cell
Year 2001
DOI
10.1105/tpc.13.1.11
URL
https://academic.oup.com/plcell/article-pdf/13/1/11/35422768/plcell_v13_1_11.pdf
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