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A diagram showing mtDNA (circular) and mitochondrial ribosomes among other mitochondria structures. The mitochondrial ribosome, or mitoribosome, is a protein complex that is active in mitochondria and functions as a riboprotein for translating mitochondrial mRNAs encoded in mtDNA. The mitoribosome is attached to the inner mitochondrial membrane ...
28S ribosomal protein S12, mitochondrial is a protein that in humans is encoded by the MRPS12 gene. [5] [6] [7] Mammalian mitochondrial ribosomal proteins are encoded by nuclear genes and help in protein synthesis within the mitochondrion. Mitochondrial ribosomes (mitoribosomes) consist of a small 28S subunit and a large 39S
A noteworthy counterexample is the antineoplastic antibiotic chloramphenicol, which inhibits bacterial 50S and eukaryotic mitochondrial 50S ribosomes. [36] Ribosomes in chloroplasts, however, are different: Antibiotic resistance in chloroplast ribosomal proteins is a trait that has to be introduced as a marker, with genetic engineering. [37]
39S ribosomal protein L12, mitochondrial is a protein that in humans is encoded by the MRPL12 gene. [4] [5] [6] Mammalian mitochondrial ribosomal proteins are encoded by nuclear genes and help in protein synthesis within the mitochondrion. Mitochondrial ribosomes (mitoribosomes) consist of a small 28S subunit and a large 39S subunit.
28S ribosomal protein L42, mitochondrial is a protein that in humans is encoded by the MRPL42 gene. [5] [6] [7] Mammalian mitochondrial ribosomal proteins are encoded by nuclear genes and help in protein synthesis within the mitochondrion. Mitochondrial ribosomes (mitoribosomes) consist of a small 28S subunit and a large 39S subunit.
39S ribosomal protein L4, mitochondrial is a protein that in humans is encoded by the MRPL4 gene. [5] Mammalian mitochondrial ribosomal proteins are encoded by nuclear genes and help in protein synthesis within the mitochondrion. Mitochondrial ribosomes (mitoribosomes) consist of a small 28S subunit and a large 39S subunit.
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 .
39S ribosomal protein L28, mitochondrial is a protein that in humans is encoded by the MRPL28 gene. [5] [6] [7] Mammalian mitochondrial ribosomal proteins are encoded by nuclear genes and help in protein synthesis within the mitochondrion. Mitochondrial ribosomes (mitoribosomes) consist of a small 28S subunit and a large 39S subunit.