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Copper nanoparticles elevate regeneration capacity of (Ocimum basilicum L.) plant via somatic embryogenesis

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Abstract

The current work, was conducted to investigate the influences of copper nanoparticles (Cu-NPs) compared to copper sulfate on plant regeneration of Ocimum basilicum through somatic embryogenesis. To achieve this goal, the Cu-NPs with a size range of (20–40 nm) were chemically synthesized and characterized by the spectrophotometer and the Transmission Electron Microscope (TEM). Thereafter, various concentrations (0.1, 2.5, 5, 7.5, 10, 12.5 and 15 µM) of Cu-NPs or CuSO4·5H2O were added to the culture media. The results proved that the inclusion of Cu-NPs (5 µM) significantly increased the percentage of explants produced somatic embryos (from 15 to 84%) and the average number of regenerated plantlets/explant (from 4.3 to 18.7) in comparison to the control treatment (0.1 µM CuSO4·5H2O). In addition, the results evidently proved that the use of copper in the crystalline form as Cu-NPs is superior to the ionic form as CuSO4·5H2O. Thus the use of Cu-NPs (5 µM) increased the percentage of explants produced somatic embryos from (36–84%) and the average number of regenerated plantlets/explant (from 7.4 to 18.7) compared to CuSO4·5H2O (5 µM). Finally, the elevated regeneration capacity of basil plant via somatic embryogenesis proved that an efficient protocol was achieved in this study as a promising step in the field of plant nanobiotechnology.

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Funding

This study was funded by Plant Biotechnology Research Laboratories (PBRL), Plant Physiology Department, Faculty of Agriculture, Cairo University.

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Authors and Affiliations

  1. Plant Biotechnology Research Laboratories (PBRL), Plant Physiology Department, Faculty of Agriculture, Cairo University, El-Gamaa Street, Giza, 12613, Egypt

    Ahmed S. Ibrahim

  2. Agricultural Research Center, Agricultural Genetic Engineering Research Institute, El-Gamaa Street, Giza, 12619, Egypt

    Ashraf H. Fahmy

  3. Agricultural Research Center, Soils, Water and Environment Research Institute, El-Gamaa Street, Giza, 12619, Egypt

    Shreen S. Ahmed

Authors
  1. Ahmed S. Ibrahim
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  2. Ashraf H. Fahmy
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Authors share equally; designed the research, conducted the experiment, analyzed Data, wrote the manuscript and all authors have read and approved the final manuscript.

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Correspondence to Ahmed S. Ibrahim.

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This research did not involve experiments with human or animal participants.

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Informed consent was obtained from all individual participants included in the study. Additional informed consent was obtained from all individual participants for whom identifying information is included in this article.

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Communicated by Francisco de Assis Alves Mourão Filho.

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Ibrahim, A.S., Fahmy, A.H. & Ahmed, S.S. Copper nanoparticles elevate regeneration capacity of (Ocimum basilicum L.) plant via somatic embryogenesis. Plant Cell Tiss Organ Cult 136, 41–50 (2019). https://doi.org/10.1007/s11240-018-1489-3

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