Impact of biosynthesized CuO nanoparticles on seed germination and cyto-physiological responses of Trigonella foenum-graecum and Vigna radiata

[Display omitted] •CuO·NPs were biosynthesized from Abrus precatorius leaf extract.•CuO·NPs affected germination and root length of fenugreek and green gram.•MI of 42.3% for fenugreek, and 63.6% for green gram in 500 mg/L was recorded.•Cyto-physiological effect of CuO·NPs on fenugreek and green gram...

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Published in:Materials letters 2022-04, Vol.313, p.131756, Article 131756
Main Authors: Kavitha, Kurumban, Arockia John Paul, James, Kumar, Ponnuchamy, Archana, Jayaprakasam, Faritha Begam, H., Karmegam, Natchimuthu, Biruntha, Muniyandi
Format: Article
Language:English
Subjects:
Abrus precatorius
Biosynthesis
Copper oxides
CuO nanoparticles
Cytotoxicity
Fenugreek
Germination
Herbal medicine
Materials science
Nanoparticles
Physiological responses
Physiology
Protein profile
Reducing agents
Seed germination
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Summary:[Display omitted] •CuO·NPs were biosynthesized from Abrus precatorius leaf extract.•CuO·NPs affected germination and root length of fenugreek and green gram.•MI of 42.3% for fenugreek, and 63.6% for green gram in 500 mg/L was recorded.•Cyto-physiological effect of CuO·NPs on fenugreek and green gram was dose-dependent. Copper oxide nanoparticles (CuO·NPs) biosynthesized from plant extracts is emerging nanotechnology for medical and environmental applications. In the current study, the leaf extract of a medicinal plant, Abrus precatorius was used as a reducing agent for CuO·NPs biosynthesis and the formation of NPs was confirmed with various techniques. CuO·NPs (0, 10, 100, 200, 300, 400 and 500 mg/L) prepared were subjected to seed germination, seedling characteristics and cyto-physiological assay using Trigonella foenum-graecum (fenugreek) and Vigna radiata (green gram). Altogether, the CuO·NPs uptake and accumulation, chromosomal aberrations, and mitotic index in the roots of fenugreek and green gram seedlings were contingent on the concentration of CuO·NPs. A maximum of 80% and 86.6% mitotic index was recorded for fenugreek and green gram, respectively at 10 mg/L CuO·NPs, while it was 42.3% and 63.6% in 500 mg/L CuO·NPs. Protein expression of the CuO·NPs treated seedlings showed great variation. The findings imply that higher concentrations of CuO·NPs negatively impact the germination and cyto-physiology of fenugreek and green gram.
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2022.131756