DNA and RNA synthesis machinery

The DNA and RNA synthesis machinery refers collectively to the cellular systems responsible for replicating genetic material (DNA replication), transcribing DNA into RNA (transcription), and translating RNA into proteins (translation). Key components include DNA polymerases, RNA polymerases, ribosomes, and various accessory factors (e.g., primase, transcription factors, splicing factors). While these processes are vital for all cellular life, their individual components can serve as drug targets, especially in pathogens (e.g., bacterial RNA polymerase, viral reverse transcriptase) or rapidly proliferating cells (e.g., cancer). However, the broad term "DNA and RNA synthesis machinery" does not designate a specific molecular target, but rather a functional category encompassing multiple, distinct macromolecules essential for gene expression and cell viability.

Other names

Gene expression machineryNucleic acid synthesis enzymesTranscription and replication complexesPolymerase complexesTranslational apparatus

Inhibition of polymerase active sites (blocking DNA or RNA synthesis); Blocking ribosomal function (antibiotics binding to rRNA); Chain termination (nucleoside analogs)