Plant genetic engineering will be essential to decipher the genomic basis of complex traits, optimize crop genomics, and enable plant-based production of recombinant proteins. However, established plant transformation approaches for bioengineering are fraught with limitations. Although nanoparticle-mediated methods show great promise for advancing plant biotechnology, many engineered nanomaterials can have cytotoxic and ecological effects. Here, we demonstrate the efficient uptake of a nano-biomimetic carrier of plasmid DNA and transient expression of a reporter gene in leaves of Arabidopsis, common ice plant and tobacco, as well as in the developing seed tissues of Arabidopsis, field mustard, barley, and wheat. The nano-biomimetic transformation system described here has all the advantages of other nanoparticle-mediated approaches for passive delivery of genetic cargo into a variety of plant species and is also nontoxic to cells and to the environment for diverse biotechnological applications in plant biology and crop science.
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