In silico and in vitro investigation of the antifungal activity of trimetallic Cu-Zn-magnetic nanoparticles against Fusarium oxysporum with stimulation of the tomato plant's drought stress tolerance response
Copyright © 2023. Published by Elsevier Ltd..
Fusarium oxysporum is the fungus responsible for Fusarium wilt. Tomatoes and other plants acquire Fusarium wilt through their root systems. Occasionally, fungicides applied to the soil are used to combat the disease; however, some strains have developed resistance. Carboxymethyl cellulose (CMC) trimetallic magnetic zinc and copper nanoparticles CMC-Cu-Zn-FeMNPs are one of the most promising antifungal agents against a wide range of fungi. One of the most important aspects of using magnetic nanoparticles is their ability to target cells, which confirms the drug's potent fungicidal activity. Using a UV-spectrophotometer, the characterization of synthesized CMC-Cu-Zn-FeMNPs revealed four peaks at226,271, 321 and 335 nm, as well as spherical nanoparticles with a mean size of 5.905 nm and a surface potential of -61.7 mv. In this study, CMC-Cu-Zn-FeMNPs were used to inhibit the growth of F. oxysporum by interfering with the ergosterol production metabolic pathway. Molecular docking experiments demonstrated that the nanoparticles were able to bind to sterol 14-alpha demethylase responsible for inhibiting ergosterol biosynthesis. Real-time PCR analysis showed that the nanoparticles upregulated tomato plants and other assessed parameters under drought stress and downregulated the velvet complex and virulence factors of F. oxysporum on plants. The study results indicate that CMC-Cu-Zn-FeMNPs may be a promising and eco-friendly solution with low potential of accumulation and easy to collected alternative to conventional chemical pesticides that can have negative impacts on the environment and human health. Furthermore, it could provide a sustainable solution for managing Fusarium wilt disease, which can significantly reduce tomato yield and quality.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:178 |
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| Enthalten in: |
Microbial pathogenesis - 178(2023) vom: 24. Mai, Seite 106060 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Bouqellah, Nahla Alsayd [VerfasserIn] |
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| Links: |
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| Themen: |
Antifungal |
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| Anmerkungen: |
Date Completed 11.04.2023 Date Revised 11.04.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.micpath.2023.106060 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Fusarium oxysporum is the fungus responsible for Fusarium wilt. Tomatoes and other plants acquire Fusarium wilt through their root systems. Occasionally, fungicides applied to the soil are used to combat the disease; however, some strains have developed resistance. Carboxymethyl cellulose (CMC) trimetallic magnetic zinc and copper nanoparticles CMC-Cu-Zn-FeMNPs are one of the most promising antifungal agents against a wide range of fungi. One of the most important aspects of using magnetic nanoparticles is their ability to target cells, which confirms the drug's potent fungicidal activity. Using a UV-spectrophotometer, the characterization of synthesized CMC-Cu-Zn-FeMNPs revealed four peaks at226,271, 321 and 335 nm, as well as spherical nanoparticles with a mean size of 5.905 nm and a surface potential of -61.7 mv. In this study, CMC-Cu-Zn-FeMNPs were used to inhibit the growth of F. oxysporum by interfering with the ergosterol production metabolic pathway. Molecular docking experiments demonstrated that the nanoparticles were able to bind to sterol 14-alpha demethylase responsible for inhibiting ergosterol biosynthesis. Real-time PCR analysis showed that the nanoparticles upregulated tomato plants and other assessed parameters under drought stress and downregulated the velvet complex and virulence factors of F. oxysporum on plants. The study results indicate that CMC-Cu-Zn-FeMNPs may be a promising and eco-friendly solution with low potential of accumulation and easy to collected alternative to conventional chemical pesticides that can have negative impacts on the environment and human health. Furthermore, it could provide a sustainable solution for managing Fusarium wilt disease, which can significantly reduce tomato yield and quality | ||
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