MT-RNR1

mitochondrially encoded 12S RNA
Identifiers
SymbolMT-RNR1
Alt. symbolsMTRNR1
NCBI gene4549
HGNC7470
Other data
LocusChr. MT [1]
Location of the MT-RNR1 gene on the H strand of the human mitochondrial genome. MT-RNR1, or RRNS, is one of the two mitochondrial ribosomal RNA genes (blue boxes).

Mitochondrially encoded 12S ribosomal RNA (often abbreviated as 12S or 12S rRNA) is the SSU rRNA of the mitochondrial ribosome. In humans, 12S is encoded by the MT-RNR1 gene and is 959 nucleotides long.[1][2][3] MT-RNR1 is one of the 37 genes contained in animal mitochondria genomes. Their 2 rRNA, 22 tRNA and 13 mRNA genes are very useful in phylogenetic studies, in particular the 12S and 16S rRNAs. The 12S rRNA is the mitochondrial homologue of the prokaryotic 16S and eukaryotic nuclear 18S ribosomal RNAs.[4] Mutations in the MT-RNR1 gene may be associated with hearing loss.[5] The rRNA gene also encodes a peptide MOTS-c, also known as Mitochondrial-derived peptide MOTS-c or Mitochondrial open reading frame of the 12S rRNA-c.

  1. ^ Anderson S, Bankier AT, Barrell BG, de Bruijn MH, Coulson AR, Drouin J, Eperon IC, Nierlich DP, Roe BA, Sanger F, Schreier PH, Smith AJ, Staden R, Young IG (April 1981). "Sequence and organization of the human mitochondrial genome". Nature. 290 (5806): 457–465. Bibcode:1981Natur.290..457A. doi:10.1038/290457a0. PMID 7219534. S2CID 4355527.
  2. ^ Cite error: The named reference uniprot0 was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference uniprot was invoked but never defined (see the help page).
  4. ^ Eperon IC, Anderson S, Nierlich DP (July 1980). "Distinctive sequence of human mitochondrial ribosomal RNA genes". Nature. 286 (5772): 460–467. Bibcode:1980Natur.286..460E. doi:10.1038/286460a0. PMID 6157106. S2CID 4262269.
  5. ^ Ballana E, Morales E, Rabionet R, Montserrat B, Ventayol M, Bravo O, Gasparini P, Estivill X (March 2006). "Mitochondrial 12S rRNA gene mutations affect RNA secondary structure and lead to variable penetrance in hearing impairment". Biochemical and Biophysical Research Communications. 341 (4): 950–957. doi:10.1016/j.bbrc.2006.01.049. PMID 16458854.