Genetics, Covid-19, Vaccines, Research, Dna.
in front of crt genes resulting in decreased enzyme levels of crtE, crtYB and crtI and ultimately decreased amounts of carotenoids. Abbreviations: FPP, farnesyl pyrophosphate; GGPP, geranylgeranyl pyrophosphate. (B) β-carotene and phytoene levels in strain CAR-041 upon singleplex downregulation