Physiological and biochemical response of soil-grown barley (Hordeum vulgare L.) to cerium oxide nanoparticles

Environmental Science and Pollution Research International
Cyren M RicoJorge L Gardea-Torresdey

Abstract

A soil microcosm study was performed to examine the impacts of cerium oxide nanoparticles (nCeO2) on the physiology, productivity, and macromolecular composition of barley (Hordeum vulgare L.). The plants were cultivated in soil treated with nCeO2 at 0, 125, 250, and 500 mg kg(-1) (control, nCeO2-L, nCeO2-M, and nCeO2-H, respectively). Accumulation of Ce in leaves/grains and its effects on plant stress and nutrient loading were analyzed. The data revealed that nCeO2-H promoted plant development resulting in 331 % increase in shoot biomass compared with the control. nCeO2 treatment modified the stress levels in leaves without apparent signs of toxicity. However, plants exposed to nCeO2-H treatment did not form grains. Compared with control, nCeO2-M enhanced grain Ce accumulation by as much as 294 % which was accompanied by remarkable increases in P, K, Ca, Mg, S, Fe, Zn, Cu, and Al. Likewise, nCeO2-M enhanced the methionine, aspartic acid, threonine, tyrosine, arginine, and linolenic acid contents in the grains by up to 617, 31, 58, 141, 378, and 2.47 % respectively, compared with the rest of the treatments. The findings illustrate the beneficial and harmful effects of nanoceria in barley.

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Citations

Dec 23, 2015·Environmental Science & Technology·Sanghamitra MajumdarJorge L Gardea-Torresdey
Dec 18, 2015·The Science of the Total Environment·Ana Cecilia BarriosJorge L Gardea-Torresdey
Mar 22, 2016·International Journal of Environmental Research and Public Health·Luca MarchiolRita Musetti
Jun 18, 2016·The Science of the Total Environment·P Venkata Laxma ReddyJ L Gardea-Torresdey
Jun 28, 2016·The Science of the Total Environment·Sanghamitra MajumdarJorge L Gardea-Torresdey
Jun 15, 2016·International Journal of Environmental Research and Public Health·Filip PošćićLuca Marchiol
Aug 4, 2016·The Science of the Total Environment·Mehrnaz HatamiMansour Ghorbanpour
Feb 9, 2017·Nanoscale Research Letters·Khwaja Salahuddin Siddiqi, Azamal Husen
Jul 19, 2019·Scientific Reports·Celia G Castro-GonzálezJericó J Bello-Bello
Apr 26, 2019·Environmental Science and Pollution Research International·Mikhail S Ermolin, Natalia N Fedyunina
Jan 1, 2017·Environmental Science. Nano·Cyren M RicoChristian P Andersen
Apr 13, 2017·Environmental Science and Pollution Research International·Xin GuiLiming Liu
Dec 6, 2020·Nanomaterials·Haleema Saleem, Syed Javaid Zaidi
Nov 15, 2020·International Journal of Molecular Sciences·Elżbieta SkibaWojciech M Wolf
May 4, 2016·Plant Physiology and Biochemistry : PPB·Wenchao DuHongyan Guo
Jun 13, 2016·Plant Physiology and Biochemistry : PPB·Nubia Zuverza-MenaJorge L Gardea-Torresdey
Oct 16, 2018·NanoImpact·Cyren M RicoChristian P Andersen
Aug 9, 2020·Journal of Hazardous Materials·Alejandra GomezJose R Peralta-Videa
May 23, 2015·Science·Elizabeth Skovran, Norma Cecilia Martinez-Gomez

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