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In prokaryotes a small 30S ribosomal subunit contains the 16S ribosomal RNA. The large 50S ribosomal subunit contains two rRNA species (the 5S and 23S ribosomal RNAs). Therefore it can be deduced that in both bacteria and archaea there is one rRNA gene that codes for all three rRNA types :16S, 23S and 5S. [27] Bacterial 16S ribosomal RNA, 23S ...
ribosomal RNA multiple families: 5S rRNA: 5S ribosomal RNA RF00001: 5.8S rRNA: 5.8S ribosomal RNA RF00002: SSU rRNA: small subunit ribosomal RNA CL00111: LSU rRNA: large subunit ribosomal RNA CL00112: NoRC RNA: nucleolar remodeling complex associated RNA RF01518: pRNA promoter RNA RF01518: synonym of NoRC RNA: 6S RNA: 6S RNA RF00013: SsrS RNA ...
Small subunit ribosomal ribonucleic acid (SSU rRNA) is the smaller of the two major RNA components of the ribosome. Associated with a number of ribosomal proteins , the SSU rRNA forms the small subunit of the ribosome.
The 40S subunit contains a 18S ribosomal RNA (abbreviated 18S rRNA), which is homologous to the prokaryotic 16S rRNA. The 60S subunit contains a 28S rRNA that is homologous to the prokaryotic 23S ribosomal RNA. In addition, it contains a 5.8S rRNA that corresponds to the 5' end of the 23S rRNA, and a short 5S rRNA.
16S ribosomal RNA (or 16S rRNA) is the RNA component of the 30S subunit of a prokaryotic ribosome . It binds to the Shine-Dalgarno sequence and provides most of the SSU structure. The genes coding for it are referred to as 16S rRNA genes and are used in reconstructing phylogenies , due to the slow rates of evolution of this region of the gene ...
Woese's dogma is a principle of evolutionary biology first put forth by biophysicist Carl Woese in 1977. It states that the evolution of ribosomal RNA was a necessary precursor to the evolution of modern life forms. [1]
These are transcribed in the nucleolus by RNA polymerase I. 45S is processed in the nucleus via 32S rRNA to 28S [6] and 5.8S, [7] and via 30S to 18S, [8] as shown in the diagram. 18S is a component of the ribosomal 40S subunit. 28S, 5.8S and 5S, [9] which is transcribed independently, are components
The 5S ribosomal RNA (5S rRNA) is an approximately 120 nucleotide-long ribosomal RNA molecule with a mass of 40 kDa. It is a structural and functional component of the large subunit of the ribosome in all domains of life ( bacteria , archaea , and eukaryotes ), with the exception of mitochondrial ribosomes of fungi and animals.