Concurrent mutations in RNA-dependent RNA polymerase and spike protein emerged as the epidemiologically most successful SARS-CoV-2 variant

Concurrent mutations in RNA-dependent RNA polymerase and spike protein emerged as the epidemiologically most successful SARS-CoV-2 variant

The D614G mutation within the Spike protein of the SARS-CoV-2 has successfully changed the early pandemic-causing variant. Utilizing pseudotyped lentivectors, we confirmed that the aspartate substitute by glycine in place 614 is markedly extra infectious. Molecular modelling means that the G614 mutation facilitates transition in the direction of an open state of the Spike protein. To…

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Highly efficient 'hit-and-run' genome editing with unconcentrated lentivectors carrying Vpr.Prot.Cas9 protein produced from RRE-containing transcripts

Highly efficient ‘hit-and-run’ genome editing with unconcentrated lentivectors carrying Vpr.Prot.Cas9 protein produced from RRE-containing transcripts

The appliance of gene-editing know-how is presently restricted by the shortage of secure and environment friendly strategies to ship RNA-guided endonucleases to focus on cells. We engineered lentivirus-based nanoparticles to co-package the U6-sgRNA template and the CRISPR-associated protein 9 (Cas9) fused with a virion-targeted protein Vpr (Vpr.Prot.Cas9), for simultaneous supply to cells. Equal spatiotemporal management…

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