The Impact of Zinc Oxide Nanoparticles on Cytotoxicity, Genotoxicity, and miRNA Expression in Barley (Hordeum vulgare L.) Seedlings

The Impact of Zinc Oxide Nanoparticles on Cytotoxicity, Genotoxicity, and miRNA Expression in Barley (Hordeum vulgare L.) Seedlings

Zinc oxide nanoparticles are one of the most commonly engineered nanomaterials and necessarily enter the environment because of the large quantities produced and their widespread application. Understanding the impacts of nanoparticles on plant growth and development is crucial for the assessment of...

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Main Authors: Ilona Plaksenkova, Inese Kokina, Anastasija Petrova, Marija Jermaļonoka, Vjačeslavs Gerbreders, Marina Krasovska
Format: Article
Language:English
Published: Hindawi Limited 2020-01-01
Series:The Scientific World Journal
Online Access:http://dx.doi.org/10.1155/2020/6649746
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spelling doaj-822e6f7807f4454382e2d32c92ce94192020-12-14T09:46:39ZengHindawi LimitedThe Scientific World Journal2356-61401537-744X2020-01-01202010.1155/2020/66497466649746The Impact of Zinc Oxide Nanoparticles on Cytotoxicity, Genotoxicity, and miRNA Expression in Barley (Hordeum vulgare L.) SeedlingsIlona Plaksenkova0Inese Kokina1Anastasija Petrova2Marija Jermaļonoka3Vjačeslavs Gerbreders4Marina Krasovska5Department of Biotechnology, Institute of Life Sciences and Technology, Daugavpils University, Daugavpils 5401, LatviaDepartment of Biotechnology, Institute of Life Sciences and Technology, Daugavpils University, Daugavpils 5401, LatviaDepartment of Biotechnology, Institute of Life Sciences and Technology, Daugavpils University, Daugavpils 5401, LatviaDepartment of Biotechnology, Institute of Life Sciences and Technology, Daugavpils University, Daugavpils 5401, LatviaDepartment of Technology, Institute of Life Sciences and Technology, Daugavpils University, Daugavpils 5401, LatviaDepartment of Technology, Institute of Life Sciences and Technology, Daugavpils University, Daugavpils 5401, LatviaZinc oxide nanoparticles are one of the most commonly engineered nanomaterials and necessarily enter the environment because of the large quantities produced and their widespread application. Understanding the impacts of nanoparticles on plant growth and development is crucial for the assessment of probable environmental risks to food safety and human health, because plants are a fundamental living component of the ecosystem and the most important source in the human food chain. The objective of this study was to examine the impact of different concentrations of zinc oxide nanoparticles on barley Hordeum vulgare L. seed germination, seedling morphology, root cell viability, stress level, genotoxicity, and expression of miRNAs. The results demonstrate that zinc oxide nanoparticles enhance barley seed germination, shoot/root elongation, and H2O2 stress level and decrease root cell viability and genomic template stability and up- and downregulated miRNAs in barley seedlings.http://dx.doi.org/10.1155/2020/6649746
collection DOAJ
language English
format Article
sources DOAJ
author Ilona Plaksenkova
Inese Kokina
Anastasija Petrova
Marija Jermaļonoka
Vjačeslavs Gerbreders
Marina Krasovska
spellingShingle Ilona Plaksenkova
Inese Kokina
Anastasija Petrova
Marija Jermaļonoka
Vjačeslavs Gerbreders
Marina Krasovska
The Impact of Zinc Oxide Nanoparticles on Cytotoxicity, Genotoxicity, and miRNA Expression in Barley (Hordeum vulgare L.) Seedlings
The Scientific World Journal
author_facet Ilona Plaksenkova
Inese Kokina
Anastasija Petrova
Marija Jermaļonoka
Vjačeslavs Gerbreders
Marina Krasovska
author_sort Ilona Plaksenkova
title The Impact of Zinc Oxide Nanoparticles on Cytotoxicity, Genotoxicity, and miRNA Expression in Barley (Hordeum vulgare L.) Seedlings
title_short The Impact of Zinc Oxide Nanoparticles on Cytotoxicity, Genotoxicity, and miRNA Expression in Barley (Hordeum vulgare L.) Seedlings
title_full The Impact of Zinc Oxide Nanoparticles on Cytotoxicity, Genotoxicity, and miRNA Expression in Barley (Hordeum vulgare L.) Seedlings
title_fullStr The Impact of Zinc Oxide Nanoparticles on Cytotoxicity, Genotoxicity, and miRNA Expression in Barley (Hordeum vulgare L.) Seedlings
title_full_unstemmed The Impact of Zinc Oxide Nanoparticles on Cytotoxicity, Genotoxicity, and miRNA Expression in Barley (Hordeum vulgare L.) Seedlings
title_sort impact of zinc oxide nanoparticles on cytotoxicity, genotoxicity, and mirna expression in barley (hordeum vulgare l.) seedlings
publisher Hindawi Limited
series The Scientific World Journal
issn 2356-6140
1537-744X
publishDate 2020-01-01
description Zinc oxide nanoparticles are one of the most commonly engineered nanomaterials and necessarily enter the environment because of the large quantities produced and their widespread application. Understanding the impacts of nanoparticles on plant growth and development is crucial for the assessment of probable environmental risks to food safety and human health, because plants are a fundamental living component of the ecosystem and the most important source in the human food chain. The objective of this study was to examine the impact of different concentrations of zinc oxide nanoparticles on barley Hordeum vulgare L. seed germination, seedling morphology, root cell viability, stress level, genotoxicity, and expression of miRNAs. The results demonstrate that zinc oxide nanoparticles enhance barley seed germination, shoot/root elongation, and H2O2 stress level and decrease root cell viability and genomic template stability and up- and downregulated miRNAs in barley seedlings.
url http://dx.doi.org/10.1155/2020/6649746
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