Potential innovation in Plant research through the use of gene-edited and genetically modified plants iscurrently being hindered by inefficient and costly plant transformation. We show that naturally occurring carbon dots (quasi-spherical, <10nm nanoparticles) can act as a fast vehicle for carrying plasmids into mature plant cells, resulting in transient plant transformation in a number of important crop species with no negative impacts on photosynthesis or growth. We further show that GFP, Cas9, and gRNA introduced into wheat via foliar application (spraying on) of plasmid coated carbon dots are expressed and, in the case of Cas9, make genome edits in SPO11 genes. Therefore, we present a protocol for spray-on gene editing that is simple, inexpensive, fast, transforms in planta, and is applicable to multiple crop species. We believe this technique creates many opportunities for the future of plant transformation in research and shows great promise for plant protein production systems.Recent advances in plant biotech, particularly manipulation of photosynthesis, have shown the ability to obtain huge increases in plant efficiency and yield. For example, the RIPE project 1 obtained up to a 15% increase in biomass 2 and a ∼40% increase in productivity 3 by reducing photoprotection latency times and by avoiding photorespiration. These examples show the true power of GM -not only could these changes increase global food security (a growing issue with our population still increasing 4,5 , and climate change conferring multiple environmental stresses 6-8 ), but since these advances also increase the amount of carbon being fixed, it could have potential for also mitigating climate change 9,10 . This is important because, as noted, the effects of climate change exacerbate food insecurity further.Plant biotechnology can also enhance food security and biomass production by improving crop resistance to herbivores, pests, and environmental stresses. Additionally, GM techniques can enhance the nutritional value of the food produced, as seen with purple tomatoes 11,12 , enhancing the lipid content of oil crops to provide an alternative to dwindling fish oil stocks 13,14 and improving the quality of staple crops such as wheat 15,16 .However, the scope extends beyond edible compounds, as plant biotech is allowing the production of biofuels 17 , and has shown success producing pharmaceuticals 18 , including the efficient and speedy production of vaccines 19 . These advancements have been aided by new fields such as Synthetic biology, and gene editing tools becoming more versatile and useable.However, there is currently a significant bottleneck 20 limiting the potential application of these ideas and advances, and that is the cost, both in time and resources, of current plant transformation methods. All plant transformation must currently utilise either Agrobacterium tumefaciens 21 , biolistics 22 , or regeneration from PEG transformed protoplasts 23 , as a vehicle to introduce DNA, regardless of whether the changes are transient (n...
Research has shown that effective support systems are key to an educational CEO for success and tenure in the position. This qualitative secondary analysis (QSA) of women educational CEOs from the United States and Canada allowed for the reexamination of interviews from 37 participants focused on the importance of support systems. Findings uncovered six different themes or areas of support/hindrances: three formal supports/hindrances, policy, school board, and staff, and three informal supports/hindrances, family, community, and mentors/other women educational CEOs.
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