Intraplastidial trafficking of a phage-type RNA polymerase is mediated by a thylakoid RING-H2 protein.

@article{Azevedo2008IntraplastidialTO,
  title={Intraplastidial trafficking of a phage-type RNA polymerase is mediated by a thylakoid RING-H2 protein.},
  author={Jacinthe Azevedo and Florence Courtois and Mohamed-Ali Hakimi and Emilie Demarsy and Thierry Lagrange and Jean-Pierre Alcaraz and Pankaj Jaiswal and Laurence Marechal-Drouard and S. Lerbs-Mache},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  year={2008},
  volume={105 26},
  pages={
          9123-8
        }
}
The plastid genome of dicotyledonous plants is transcribed by three different RNA polymerases; an eubacterial-type enzyme, PEP; and two phage-type enzymes, RPOTp and RPOTmp. RPOTp plays an important role in chloroplast transcription, biogenesis, and mesophyll cell proliferation. RPOTmp fulfills a specific function in the transcription of the rrn operon in proplasts/amyloplasts during seed imbibition/germination and a more general function in chloroplasts during later developmental stages. In… CONTINUE READING

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