Table 3.
Select Summary of NP-Mediated Genetic Engineering in Plants
| NP type | Cargo | Plant species; cell/tissue type | Delivery method | Comments | Year | Refs | |
|---|---|---|---|---|---|---|---|
| With external aid | Gold capped MSNs | GFP plasmid; chemical expression inducer | N. tabacum cotyledons; Z. mays embryos | Biolistic | Co-delivery and controlled release of DNA and chemicals | 2007 | [45] |
| Poly-L-lysine coated starch NPs | GFP plasmid | Dioscorea zingiberensis C.H. Wright calli suspension | Sonoporation | 5% transient expression efficiency; some integration occurs | 2008 | [60] | |
| Gold-plated MSNs | GFP and mCherry plasmids; GFP protein | Allium cepa epidermis tissue | Biolistic | DNA and protein co-delivery | 2012 | [59] | |
| Magnetic gold NPs | β-glucuronidase (GUS) plasmid | Brassica napus protoplasts and walled cell suspension | Magnetic field | Transient GUS expression | 2013 | [61] | |
| Gold-plated MSNs | AmCyan1 and DsRed2 plasmids; Cre protein | Z. mays embryos | Biolistic | DNA and protein co-delivery; both transient and stable expression | 2014 | [58] | |
| Dimethylaminoethyl methacrylate (DMAEM) polymer NPs | Yellow fluorescent protein (YFP) and GFP plasmids | N. tabacum and Ceratodon purpureus protoplasts | PEG transfection | Both transient and stable expression | 2017 | [62] | |
| Magnetic Fe3O4 NPs | Selectable marker gene plasmids | Gossypium hirsutum pollen | Magnetic field | ~1% efficiency for generating stable transgenic seeds | 2017 | [63] | |
| In vitro without external aid | Polyamidoamine (PAMAM) dendrimer NPs | GFP plasmid | Agrostis stolonifera L. calli | Passive | 48.5% cells showed transient expression | 2008 | [65] |
| Calcium phosphate NPs (CaPNPs) | GUS plasmid | Brassica juncea hypocotyl explants | Passive | 80.7% stable transformation efficiency | 2012 | [64] | |
| Organically functionalized CNTs | YFP plasmid | N. tabacum protoplasts and leaf explants | Passive | Both transient and stable expression | 2015 | [66] | |
| In vivo without external aid | Organically functionalized MSNs | mCherry plasmid | A. thaliana roots | Passive | 46.5% transient expression efficiency | 2013 | [51] |
| PAMAM dendrimer NPs | Double-stranded DNA for RNA interference | A. thaliana roots | Passive | Developmental gene silencing led to systemic phenotypes | 2014 | [67] | |
| Polymer functionalized CNTs | GFP plasmid; siRNA for transgenic GFP silencing | E. sativa, N. benthamiana, and T. aestivum leaves | Passive | 95% transient silencing efficiency; transient expression in mature leaves | [68] |