This study was carried out to fabricate nickel oxide nanostructures (NONS) and to evaluate its ability to control Cucumber mosaic virus (CMV) by direct antiviral activity as well as induction of systemic resistance in treated cucumber plants. The efficacy of nickel oxide nanostructures for control CMV in cucumber plants was biologically evaluated by a reduction in disease severity, reduction in CMV accumulation and expression of regulatory and defense-related genes. Cucumber plants treated with nickel oxide nanostructures showed incredible suppression of CMV infection compared with non-treated plants. The enzyme-linked immunosorbent assay (ELISA) showed a marked reduction in CMV accumulation in cucumber plants treated with nickel oxide nanostructures compared to untreated plants. Based on real-time polymerase chain reaction (RT-PCR) test, cucumber plants treated with nickel oxide nanostructures showed increased expression of regulatory and defense-related genes concerned in salicylic acid (SA) and jasmonic acid (JA)/ethylene (ET) signaling pathways. NONS nanostructures showed direct antiviral activity against CMV resulted in significant reduction in CMV severity and titer relative to untreated plants. Treatment with nickel oxide nanostructures significantly improved cucumber fresh and dry weights as well as number of leaves. The induction of systemic resistance towards CMV by NONS nanostructures considered a novel strategy and first report.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1016/j.jbiotec.2019.10.003 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Modification at ITO/NiO Interface with MoS Enables Hole Transport for Efficient and Stable Inverted Perovskite Solar Cells.
ChemSusChem
January 2025
Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Structural Chemistry of Unstable and Stable Species, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P.R. China.
Inverted perovskite solar cells (IPSCs) utilizing nickel oxide (NiO) as hole transport material have made great progress, driven by improvements in materials and interface engineering. However, challenges remain due to the low intrinsic conductivity of NiO and inefficient hole transport. In this study, we introduced MoS nanoparticles at the indium tin oxide (ITO) /NiO interface to enhance the ITO surface and optimize the deposition of NiO, resulting in increased conductivity linked to a ratio of Ni:Ni.
View Article and Find Full Text PDFTailoring Nickel Oxide Thin Films: Comparative Study of Oxidizing Agents in Thermal and Plasma-Enhanced Atomic Layer Deposition.
ACS Omega
January 2025
Centro de Investigación en Materiales Avanzados, S.C. (CIMAV Subsede Monterrey), Alianza Norte 202, Parque de Investigación e Innovación Tecnológica, C.P. 66628 Apodaca, Nuevo León, Mexico.
Thermal atomic layer deposition (TALD) and plasma atomic layer deposition (PALD) were used for producing thin NiO films from nickel(II) acetylacetonate Ni(acac), employing different oxidizing agents (deionized water HO, ozone O, and molecular oxygen O). The films were deposited at 300 °C (TALD) and 220 °C (PALD) over glass substrates; their physical and chemical properties were considerably influenced by the choice of oxidizing agents. In particular, ALD(HO) samples had a low growth per cycle (GPC) and a high concentration of defects.
View Article and Find Full Text PDFOriented Molecular Dipole-Enabled Modulation of NiO/Perovskite Interface for Pb-Sn Mixed Inorganic Perovskite Solar Cells.
Adv Mater
January 2025
Department of Materials Science and Engineering, Key University Laboratory of Highly Efficient Utilization of Solar Energy and Sustainable Development of Guangdong, Southern University of Science and Technology, Shenzhen, 518055, China.
Nickel oxide (NiO) is considered as a potential hole transport material in the fabrication of lead-tin (Pb-Sn) perovskite solar cells (PSCs) for tandem applications. However, the energy level mismatch and unfavorable redox reactions between Ni species and Sn at the NiO/perovskite interface pose challenges. Herein, high-performance Pb-Sn-based inorganic PSCs are demonstrated by modulating the NiO/perovskite interface with a multifunctional 4-aminobenzenesulfonic acid (4-ABSA) interlayer.
View Article and Find Full Text PDFBifunctional NiCo-CuO Nanostructures: A Promising Catalyst for Energy Conversion and Storage.
Small Methods
January 2025
Department of Physics, Tamkang University, Tamsui, 25137, Taiwan.
This investigation explores the potential of co-incorporating nickel (Ni) and cobalt (Co) into copper oxide (CuO) nanostructures for bifunctional electrochemical charge storage and oxygen evolution reactions (OER). A facile wet chemical synthesis method is employed to co-incorporate Ni and Co into CuO, yielding diverse nanostructured morphologies, including rods, spheres, and flake. The X-ray diffraction (XRD) and Raman analyses confirmed the formation of NiCo-CuO nanostructure, with minor phases of nickel oxide (NiO) and cobalt tetraoxide (CoO).
View Article and Find Full Text PDF"Suspended" Single Rhenium Atoms on Nickel Oxide for Efficient Electrochemical Oxidation of Glucose.
J Am Chem Soc
January 2025
CAS Key Laboratory of Science and Technology on Applied Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.
Well-defined single-atom catalysts (SACs) serve as ideal model systems for directly comparing experimental results with theoretical calculations, offering profound insights into heterogeneous catalytic processes. However, precisely designing and controllably synthesizing SACs remain challenging due to the unpredictable structure evolution of active sites and generation of embedded active sites, which may bring about steric hindrance during chemical reactions. Herein, we present the precious nonpyrolysis synthesis of Re SACs with a well-defined phenanthroline coordination supported by NiO (Re-phen/NiO).
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!