Nanoparticles in Plant Genetic Engineering: Innovative Tools and Future Prospects for Enhanced Crop Traits and Agricultural Sustainability

Abstract

The global agricultural sector faces unprecedented challenges in meeting the projected food demand of 9.7 billion people by 2050, exacerbated by the adverse impacts of climate change, such as increased droughts and temperature extremes. Nanobiotechnology, the synergistic integration of nanotechnology and biotechnology, offers transformative solutions in plant genetic engineering to enhance agricultural sustainability and ensure food security. Nanobiotechnology exploits the unique physicochemical properties of nanomaterials, enabling the precise delivery of genetic materials, advanced gene editing, and real-time monitoring of cellular processes. Innovative nanoparticle-mediated methods facilitate the transfer of nucleic acids, proteins, and other biomolecules into plant cells, overcoming the limitations of conventional genetic transformation methods such as Agrobacterium-mediated transformation and gene gun technologies. For example, magnetic nanoparticles and carbon nanotubes have shown promise in genotype-independent genetic material delivery and efficient transgene expression. This review highlights groundbreaking applications of nanobiotechnology, including enhanced delivery of CRISPR/Cas9 components for accurate gene editing, nanoscale sensors for intracellular process monitoring, and the use of mesoporous silica nanoparticles for stable gene silencing. Despite these advancements, barriers such as nanoparticle biocompatibility, potential toxicity, and scalability in agricultural systems must be addressed. Regulatory frameworks ensuring the safe adoption of nanomaterials in agricultural practices are equally critical. Nanobiotechnology holds the potential to revolutionize plant genetic engineering by enabling precise trait manipulation, increased crop resilience, and reduced environmental impact. Leveraging these advancements can foster sustainable agricultural practices and mitigate the challenges posed by global food demands and climate change.

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