POLRMT
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DNA-directed RNA polymerase, mitochondrial is an enzyme that in humans is encoded by the POLRMT gene.[1][2]
Function
This gene encodes a mitochondrial DNA-directed RNA polymerase. The gene product is responsible for mitochondrial gene expression as well as for providing RNA primers for initiation of replication of the mitochondrial genome. Although this polypeptide has the same function as the three nuclear DNA-directed RNA polymerases, it is more closely related to RNA polymerases of bacteriophage and mitochondrial polymerases of lower eukaryotes.[2]
References
- ↑ Tiranti V, Savoia A, Forti F, D'Apolito MF, Centra M, Rocchi M, Zeviani M (Jul 1997). "Identification of the gene encoding the human mitochondrial RNA polymerase (h-mtRPOL) by cyberscreening of the Expressed Sequence Tags database". Hum Mol Genet. 6 (4): 615–25. doi:10.1093/hmg/6.4.615. PMID 9097968.
- ↑ 2.0 2.1 "Entrez Gene: POLRMT polymerase (RNA) mitochondrial (DNA directed)".
Further reading
- Maruyama K, Sugano S (1994). "Oligo-capping: a simple method to replace the cap structure of eukaryotic mRNAs with oligoribonucleotides". Gene. 138 (1–2): 171–4. doi:10.1016/0378-1119(94)90802-8. PMID 8125298.
- Suzuki Y, Yoshitomo-Nakagawa K, Maruyama K, et al. (1997). "Construction and characterization of a full length-enriched and a 5'-end-enriched cDNA library". Gene. 200 (1–2): 149–56. doi:10.1016/S0378-1119(97)00411-3. PMID 9373149.
- Falkenberg M, Gaspari M, Rantanen A, et al. (2002). "Mitochondrial transcription factors B1 and B2 activate transcription of human mtDNA". Nat. Genet. 31 (3): 289–94. doi:10.1038/ng909. PMID 12068295.
- Strausberg RL, Feingold EA, Grouse LH, et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. doi:10.1073/pnas.242603899. PMC 139241. PMID 12477932.
- McCulloch V, Shadel GS (2003). "Human mitochondrial transcription factor B1 interacts with the C-terminal activation region of h-mtTFA and stimulates transcription independently of its RNA methyltransferase activity". Mol. Cell. Biol. 23 (16): 5816–24. doi:10.1128/MCB.23.16.5816-5824.2003. PMC 166325. PMID 12897151.
- Grimwood J, Gordon LA, Olsen A, et al. (2004). "The DNA sequence and biology of human chromosome 19". Nature. 428 (6982): 529–35. doi:10.1038/nature02399. PMID 15057824.
- Graziewicz MA, Longley MJ, Bienstock RJ, et al. (2004). "Structure-function defects of human mitochondrial DNA polymerase in autosomal dominant progressive external ophthalmoplegia". Nat. Struct. Mol. Biol. 11 (8): 770–6. doi:10.1038/nsmb805. PMID 15258572.
- Gaspari M, Falkenberg M, Larsson NG, Gustafsson CM (2005). "The mitochondrial RNA polymerase contributes critically to promoter specificity in mammalian cells". EMBO J. 23 (23): 4606–14. doi:10.1038/sj.emboj.7600465. PMC 533051. PMID 15526033.
- Kravchenko JE, Rogozin IB, Koonin EV, Chumakov PM (2005). "Transcription of mammalian messenger RNAs by a nuclear RNA polymerase of mitochondrial origin". Nature. 436 (7051): 735–9. doi:10.1038/nature03848. PMC 1352165. PMID 16079853.
- Wang Z, Cotney J, Shadel GS (2007). "Human mitochondrial ribosomal protein MRPL12 interacts directly with mitochondrial RNA polymerase to modulate mitochondrial gene expression". J. Biol. Chem. 282 (17): 12610–8. doi:10.1074/jbc.M700461200. PMC 2606046. PMID 17337445.
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