SARS-CoV-2 RNA-dependent RNA polymerase mRNA (RdRp mRNA)

The SARS-CoV-2 RNA-dependent RNA polymerase (RdRp) mRNA, specifically the highly conserved gene region within the nsp12 sequence, is a critical component of the viral genome (Source: NCBI NC_045512.2). This region encodes the nsp12 protein, the primary catalytic enzyme of the viral replication-transcription complex, which is essential for synthesizing new viral RNA (Source: UniProt P0DTD1). Because this sequence is highly conserved across various SARS-CoV-2 variants, it serves as an ideal target for sequence-specific therapeutics like small interfering RNAs (siRNAs) and antisense oligonucleotides (ASOs) (Source: Idris et al., Nature Nanotechnology, 2021). These therapeutic agents work by binding to the viral mRNA through complementary base pairing, triggering its degradation via the RNA-induced silencing complex (RISC) or blocking its translation by the ribosome. By eliminating the mRNA template, the production of the RdRp enzyme is halted, thereby preventing viral replication and the spread of infection. This approach offers a high degree of specificity and the potential to overcome resistance seen with traditional small-molecule inhibitors that target the protein structure.

Other names

nsp12 mRNASARS-CoV-2 RdRp gene regionRNA-directed RNA polymerase transcriptSARS-CoV-2 nsp12 transcriptSARS-CoV-2 genomic RNA nsp12 region

Sequence-specific degradation of viral mRNA via the RNA interference (RNAi) pathway or steric hindrance of translation through antisense oligonucleotide binding.