Abstract
Nanoparticles (NPs) are known to significantly alter plant metabolism in a dose-dependent manner, with effects ranging from stimulation to toxicity. The metabolic adjustment and ionomic balance of bean (Phaseolus vulgaris L.) roots and leaves gained from plants grown in a solid medium added with relatively low dosages (0, 25, 50, and 100 mg/L) of CeO2 NPs were investigated. Ce accumulated in the roots (up to 287.91 mg/kg dry weight) and translocated to the aerial parts (up to 2.78% at the highest CeO2 dosage), and ionomic analysis showed that CeO2 NPs interfered with potassium, molybdenum, and zinc. Unsupervised hierarchical clustering analysis from metabolomic profiles suggested a dose-dependent and tissue-specific metabolic reprogramming induced by NPs. The majority of differential metabolites belonged to flavonoids and other phenolics, nitrogen-containing low molecules (such as alkaloids and glucosinolates), lipids, and amino acids.
Lingua originale | English |
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pagine (da-a) | 67-76 |
Numero di pagine | 10 |
Rivista | Journal of Agricultural and Food Chemistry |
Volume | 68 |
DOI | |
Stato di pubblicazione | Pubblicato - 2020 |
Keywords
- Amino Acids
- Cerium
- Flavonoids
- Nanoparticles
- Phaseolus
- Phenols
- Plant Leaves
- Plant Roots
- Secondary Metabolism
- cerium dioxide nanoparticles
- phenolic compounds
- plant metabolomics
- plant stress
- secondary metabolism