Nanoparticle-Based Genetic Transformation of Cannabis sativa.

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Nanoparticle-Based Genetic Transformation of Cannabis sativa.

J Biotechnol. 2020 Dec 26;:

Authors: Ahmed S, Gao X, Jahan MA, Adams M, Wu N, Kovinich N

Abstract
Cannabis sativa (Cannabis) is a multipurpose plant species consisting of specific lineages that for centuries has either been artificially selected for the production of fiber or the psychoactive drug Δ9-tetrahydrocannabinol (THC). With the recent lifting of previous legal restrictions on consuming Cannabis, there has been a resurgence of interest in understanding and manipulating Cannabis genetics to enhance its compositions. Yet, recently developed approaches are not amenable to high-throughput gene stacking to study multi-genic traits. Here, we demonstrate an efficient nanoparticle-based transient gene transformation protocol where multiple gene plasmids can be expressed simultaneously in intact Cannabis leaf cells in a very short time (5 days). Constructs encoding two soybean transcription factors were co-grafted onto poly-ethylenimine cationic polymer-modified silicon dioxide-coated gold nanoparticles (PEI-Au@SiO2). Infiltration of the DNA-PEI-Au@SiO2 into Cannabis leaf tissues resulted in the transcription of both soybean genes and the localization of fluorescent-tagged transcription factor proteins in the nuclei of Cannabis leaf cells including the trichomes, which are the cell types that biosynthesize valuable cannabinoid and terpene metabolites. Our study exemplifies a rapid transient gene transformation approach that will be useful to study the effects of gene stacking in Cannabis.

PMID: 33373624 [PubMed – as supplied by publisher]


Source: ncbi 2

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