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Plants 2019, 8(1), 19; https://doi.org/10.3390/plants8010019

Phytotoxic and Genotoxic Effects of Copper Nanoparticles in Coriander (Coriandrum sativum—Apiaceae)

1
Department of Applied Biology, College of Sciences, University of Sharjah, Sharjah P.O. Box 27272, UAE
2
Department of Biotechnology, Faculty of Agriculture, Al-Azhar University, Cairo, Egypt
*
Author to whom correspondence should be addressed.
Received: 24 October 2018 / Revised: 30 December 2018 / Accepted: 5 January 2019 / Published: 14 January 2019
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Abstract

Engineered metal nanoparticles have been widely used in several applications that may lead to increased exposure to the environment. In this study, we assessed the phytotoxic effect of various concentrations of copper nanoparticles CuNP, (200, 400 and 800 mg/L) on coriander (Coriandrum sativum) plants grown hydroponically. C. sativum plants treated with CuNP demonstrated decreased biomass and root length in comparison to control untreated plants. Additionally, decreased levels of photosynthetic pigments (chlorophyll a and b) were also seen in C. sativum plants treated with CuNP, as well as damage to the C. sativum root plasma membrane as demonstrated by Evan’s blue dye and increased electrolyte leakage. Moreover, our results exhibited increased levels of H2O2 and MDA on C. Sativum plants treated with CuNP. X-Ray Fluorescence (XRF) analysis confirmed that C. sativum treated with CuNP accumulated the latter in plant root tissues. Random amplified polymorphic DNA (RAPD) analysis confirmed the genotoxic effect of CuNP, which altered the C. sativum genome. This was shown by the different banding pattern of RAPD. Overall, our results exhibited that CuNP is toxic to C. sativum plants. View Full-Text
Keywords: Coriandrum sativum; phytotoxicity; genotixicity; CuNP; RAPD; XRF Coriandrum sativum; phytotoxicity; genotixicity; CuNP; RAPD; XRF
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AlQuraidi, A.O.; Mosa, K.A.; Ramamoorthy, K. Phytotoxic and Genotoxic Effects of Copper Nanoparticles in Coriander (Coriandrum sativum—Apiaceae). Plants 2019, 8, 19.

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