Article (Scientific journals)
Integration of non-targeted metabolomics and automated determination of elemental compositions for comprehensive alkaloid profiling in plants
Vanderplanck, Maryse; Glauser, G.
2018In Phytochemistry, 154, p. 1-9
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Keywords :
Aconitum lycoctonum; Aconitum napellus; Alkaloids; Chemotaxonomy; Elemental composition; Metabolite profiling; Ranunculaceae; UHPLC-HRMS; Aconitum; Automation; Chromatography, High Pressure Liquid; Mass Spectrometry; Metabolomics
Abstract :
[en] Plants produce a large array of specialized metabolites to protect themselves. Among these allelochemicals, alkaloids display highly diverse and complex structures that are directly related to their biological activities. Plant alkaloid profiling traditionally requires extensive and time-consuming sample preparation and analysis. Herein, we developed a rapid and efficient approach for the comprehensive profiling of alkaloids in plants using ultrahigh performance liquid chromatography-high resolution mass spectrometry (UHPLC-HRMS)-based metabolomics. Using automated compound extraction and elemental composition assignment, our method achieved >83% correct alkaloid identification and even >90% for medium to high intensity peaks. This represented a significant improvement in identification rate compared to generic methods used for EC determination with no a priori, such as in untargeted metabolomics studies. The developed approach was then applied to identify specific alkaloids of Aconitum lycoctonum L. and A. napellus L. (Ranunculaceae) using different parts of the plant (leaf, perianth and pollen). Significant differences in alkaloid profiles between the two species were highlighted and discussed under taxonomic and evolutionary perspectives. Taken together, the presented approach constitutes a valuable chemotaxonomic tool in the search for known and unknown alkaloids from plants. © 2018 Elsevier Ltd
Disciplines :
Agriculture & agronomy
Author, co-author :
Vanderplanck, Maryse ;  Université de Liège - ULg
Glauser, G.;  Neuchâtel Platform of Analytical Chemistry, University of Neuchâtel, Avenue de Bellevaux 51, Neuchâtel, CH-2000, Switzerland
Language :
English
Title :
Integration of non-targeted metabolomics and automated determination of elemental compositions for comprehensive alkaloid profiling in plants
Publication date :
2018
Journal title :
Phytochemistry
ISSN :
0031-9422
eISSN :
1873-3700
Publisher :
Elsevier, Netherlands
Volume :
154
Pages :
1-9
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
UNINE - Université de Neuchâtel [CH]
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