LC–MS and GC–MS metabolite profiling of nickel(II) complexes in the latex of the nickel-hyperaccumulating tree Sebertia acuminata and identification of methylated aldaric acid as a new nickel(II) ligand

Callahan, Damien L., Roessner, Ute, Dumontet, Vincent, Perrier, Nicolas, Wedd, Anthony G., O’Hair, Richard A.J., Baker, Alan J.M. and Kolev, Spas D. 2008, LC–MS and GC–MS metabolite profiling of nickel(II) complexes in the latex of the nickel-hyperaccumulating tree Sebertia acuminata and identification of methylated aldaric acid as a new nickel(II) ligand, Phytochemistry, vol. 69, no. 1, pp. 240-251, doi: 10.1016/j.phytochem.2007.07.001.

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Title LC–MS and GC–MS metabolite profiling of nickel(II) complexes in the latex of the nickel-hyperaccumulating tree Sebertia acuminata and identification of methylated aldaric acid as a new nickel(II) ligand
Author(s) Callahan, Damien L.ORCID iD for Callahan, Damien L. orcid.org/0000-0002-6384-8717
Roessner, Ute
Dumontet, Vincent
Perrier, Nicolas
Wedd, Anthony G.
O’Hair, Richard A.J.
Baker, Alan J.M.
Kolev, Spas D.
Journal name Phytochemistry
Volume number 69
Issue number 1
Start page 240
End page 251
Total pages 12
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2008-01
ISSN 0031-9422
Keyword(s) Sebertia acuminata
Hyperaccumulator
Organic acid
NiII complex
Metabolite profiling
LC–MS
GC–MS
Summary Targeted liquid chromatography–mass spectrometry (LC–MS) technology using size exclusion chromatography and metabolite profiling based on gas chromatography–mass spectrometry (GC–MS) were used to study the nickel-rich latex of the hyperaccumulating tree Sebertia acuminata. More than 120 compounds were detected, 57 of these were subsequently identified. A methylated aldaric acid (2,4,5-trihydroxy-3-methoxy-1,6-hexan-dioic acid) was identified for the first time in biological extracts and its structure was confirmed by 1D and 2D nuclear magnetic resonance (NMR) spectroscopy. After citric acid, it appears to be one of the most abundant small organic molecules present in the latex studied. Nickel(II) complexes of stoichiometry NiII:acid = 1:2 were detected for these two acids as well as for malic, itaconic, erythronic, galacturonic, tartaric, aconitic and saccharic acids. These results provide further evidence that organic acids may play an important role in the transport and possibly in the storage of metal ions in hyperaccumulating plants.
Language eng
DOI 10.1016/j.phytochem.2007.07.001
Field of Research 060705 Plant Physiology
060101 Analytical Biochemistry
03 Chemical Sciences
11 Medical And Health Sciences
06 Biological Sciences
Socio Economic Objective 960809 Mining Flora
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2008, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30083168

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