Zaire ebolavirus RNA-directed RNA polymerase L mRNA (EBOV L mRNA)

The Zaire ebolavirus L polymerase mRNA is the messenger RNA transcript derived from the L gene of the Ebola virus (EBOV). It serves as the essential template for the translation of the Large (L) protein, which functions as the catalytic subunit of the viral RNA-dependent RNA polymerase (RdRp) complex (UniProt: P35263). This complex is indispensable for the viral life cycle, as it mediates both the transcription of viral genes and the replication of the negative-sense RNA genome within the host cell (PubMed: 20511202). Because the L protein is critical for viral survival and lacks a human homolog, its mRNA is a primary target for sequence-specific therapeutic interventions such as small interfering RNAs (siRNAs) and antisense oligonucleotides (PubMed: 20802499). Therapeutic agents like TKM-Ebola (TKM-100-802) utilize lipid nanoparticles to deliver siRNAs that specifically bind to and trigger the degradation of this mRNA via the RNA-induced silencing complex (RISC), thereby preventing the production of the L protein (The Lancet, 2010). By neutralizing the synthesis of the viral replication machinery, these drugs effectively halt the progression of the infection (Nature, 2015).

Other names

Ebola virus L gene mRNAZaire ebolavirus L polymerase mRNAEBOV L transcriptLarge protein mRNA

RNA interference-mediated degradation of viral mRNA or antisense-mediated translation inhibition