Silicon dioxide nanoparticles as a protective agent against As(III) toxicity in Vigna mungo L. Hepper
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Summary
This summary is machine-generated.Silicon dioxide nanoparticles (SiO2 NPs) mitigate arsenic (As(III)) toxicity in black gram plants by boosting antioxidant defenses and enhancing growth. The study also identified promising phytochemicals for drug development.
Area Of Science
- Environmental Science
- Plant Science
- Biochemistry
Background
- Arsenic (As(III)) toxicity severely impacts plant growth and development.
- Arsenic contamination leads to oxidative stress, characterized by reactive oxygen species (ROS) accumulation and proline level disturbances.
Purpose Of The Study
- To investigate the mitigating effects of silicon dioxide nanoparticles (SiO2 NPs) on As(III) toxicity in black gram plants.
- To analyze physiological, biochemical, and molecular responses to As(III) exposure and SiO2 NP treatment.
- To explore arsenic removal mechanisms and identify potential pharmaceutical compounds in black gram.
Main Methods
- Black gram plants were exposed to As(III) (75 μM NaAsO2) and SiO2 NPs (10 mg/L).
- Physiological parameters, ROS levels, proline content, and antioxidant enzyme activities (peroxidase, catalase, glutathione, superoxide dismutase) were measured.
- RNA-seq, Fourier Transform Infrared (FTIR) Spectroscopy, and High-Resolution Liquid Chromatography-Mass Spectrometry (HR-LC/MS) were employed.
- SwissADME analysis was used to assess the drug-likeness and bioavailability of identified phytochemicals.
Main Results
- SiO2 NP treatment significantly reduced As(III)-induced oxidative stress, decreasing ROS levels and lipid peroxidation.
- Enhanced root length, chlorophyll content, and antioxidant enzyme activity were observed in plants treated with SiO2 NPs.
- FTIR identified ligands (O-H, C-O, C-C, C-H) involved in arsenic accumulation.
- HR-LC/MS identified 199 phytochemicals, with 136 adhering to Lipinski's rule and 71 exhibiting good oral bioavailability.
Conclusions
- SiO2 NPs effectively alleviate As(III) toxicity in black gram by enhancing antioxidant defense mechanisms.
- The study identified novel ligands facilitating arsenic uptake and accumulation in plant tissues.
- A significant number of identified phytochemicals possess promising pharmacological potential for drug development.
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