Plastid RNA polymerases

E. A. Lysenko, V. V. Kuznetsov

Research output: Contribution to journalReview articlepeer-review

9 Citations (Scopus)


Plastids have an interesting transcription machinery that makes it possible to study the interplay of mono- and multisubunit RNA polymerases (RNAPs) during intricate organelle biogenesis, requiring the concerted expression of genes located in different compartments of the cell. The past decade has been marked by a breakthrough in studies of chloroplast RNAPs. Nucleus-encoded monosubunit RNAP (NEP) was discovered; a nuclear gene family was found to code for σ subunits of plastid-encoded multisubunit RNAP (PEP); mutants knocked-out in PEP subunit genes were obtained; a reorganization of PEP was observed during plastid biogenesis; and a hypothesis was advanced to describe the division of functions between NEP and PEP. The review considers recent data on the organization, functions, and evolution of plastid RNAPs.

Original languageEnglish
Pages (from-to)661-674
Number of pages14
JournalMolecular Biology
Issue number5
Publication statusPublished - Sep 2005
Externally publishedYes


  • Chloroplast
  • Evolution
  • Gene expression
  • RNA polymerase
  • Transcription


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