Nickel biopathways in tropical nickel hyperaccumulating trees from Sabah (Malaysia)
| Autor: | Hugh H. Harris, A. D. Barnabas, Damien L. Callahan, Barry Noller, Antony van der Ent, Wojciech J. Przybyłowicz, Jolanta Mesjasz-Przybyłowicz |
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| Přispěvatelé: | Laboratoire Sols et Environnement (LSE), Institut National de la Recherche Agronomique (INRA)-Université de Lorraine (UL), Sustainable Minerals Inst, University of Queensland [Brisbane], Deakin University [Burwood], Mat Res Dept, iThemba LABS, National Research Foundation (NRF), Fac Phys & Appl Comp Sci, AGH University of Science and Technology [Krakow, PL] (AGH UST), Dept Chem, University of Adelaide, French National Research Agency through the national 'Investissements d'avenir' program ANR-10-LABX-21 - LABEX RESSOURCES21, Discovery Early Career Researcher Award from the Australian Research Council DE160100429, Australian Research Council DP140100176, ANR-10-LABX-0021/10-LABX-0021,RESSOURCES21,Strategic metal resources of the 21st century(2010), van der Ent, Antony, Harris, Hugh H., ANR-10-LABX-0021,RESSOURCES21,Strategic metal resources of the 21st century(2010) |
| Jazyk: | angličtina |
| Rok vydání: | 2017 |
| Předmět: |
0106 biological sciences
Phyllanthus [SDV]Life Sciences [q-bio] COMMERCIAL PHYTOEXTRACTION chemistry.chemical_element phyllanthus Phloem 010501 environmental sciences Plant Roots 01 natural sciences Article Magnoliopsida nickel SEBERTIA-ACUMINATA BERKHEYA-CODDII ROESSLER PHYLLANTHUS-BALGOOYI NAC NUCLEAR MICROPROBE Spongy tissue Botany Life Science PROTON MICROPROBE Hyperaccumulator QUANTITATIVE PIXE MICROANALYSIS bornéo 0105 earth and related environmental sciences arbre Multidisciplinary biology ALYSSUM-MURALE Malaysia NI-HYPERACCUMULATOR ELEMENTAL DISTRIBUTION Phyllanthaceae biology.organism_classification plante hyperaccumulatrice Nickel chemistry malaisie 010606 plant biology & botany Violaceae |
| Zdroj: | Scientific Reports, 7 Scientific Reports 7 (2017) Scientific Reports Scientific Reports, Nature Publishing Group, 2017, 7, pp.41861. ⟨10.1038/srep41861⟩ Scientific Reports (7), 41861. (2017) |
| ISSN: | 2045-2322 |
| DOI: | 10.1038/srep41861⟩ |
| Popis: | The extraordinary level of accumulation of nickel (Ni) in hyperaccumulator plants is a consequence of specific metal sequestering and transport mechanisms, and knowledge of these processes is critical for advancing an understanding of transition element metabolic regulation in these plants. The Ni biopathways were elucidated in three plant species, Phyllanthus balgooyi, Phyllanthus securinegioides (Phyllanthaceae) and Rinorea bengalensis (Violaceae), that occur in Sabah (Malaysia) on the Island of Borneo. This study showed that Ni is mainly concentrated in the phloem in roots and stems (up to 16.9% Ni in phloem sap in Phyllanthus balgooyi) in all three species. However, the species differ in their leaves – in P. balgooyi the highest Ni concentration is in the phloem, but in P. securinegioides and R. bengalensis in the epidermis and in the spongy mesophyll (R. bengalensis). The chemical speciation of Ni2+ does not substantially differ between the species nor between the plant tissues and transport fluids, and is unambiguously associated with citrate. This study combines ion microbeam (PIXE and RBS) and metabolomics techniques (GC-MS, LC-MS) with synchrotron methods (XAS) to overcome the drawbacks of the individual techniques to quantitatively determine Ni distribution and Ni2+ chemical speciation in hyperaccumulator plants. |
| Databáze: | OpenAIRE |
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