Genetics, Covid-19, Vaccines, Research, Dna.
with dCas12a and single crRNA array. Arrays with three targeting spacers (array_1–6) targeting promoters Sbay_TDH3, Smik_TEF1 and Kl_ENO1 which control expression of crtE, crtYB and crtI, respectively are shown in dark grey whereas arrays with a single targeting spacer (array_7–9) targeting Kl_ENO1