rRNA Gene Organization in Bacteria and Eukaryotes
Description
The figure displays the structural organization of ribosomal RNA (rRNA) genes in bacteria and eukaryotes. In bacteria, the rRNA genes are present in a single operon containing 16S, 23S, and 5S rRNA genes. In contrast, eukaryotic rRNA genes are separated into multiple clusters, each containing 18S, 5.8S, and 28S rRNA genes, as well as a separate gene for 5S rRNA. The rRNA genes are transcribed and processed to form mature rRNAs, which are essential components of the ribosome, a molecular machine that synthesizes proteins in all living cells.
Acknowledgements
References
Woodhams, M. D., Stadler, P. F., Penny, D., & Collins, L. J. (2007). RNase MRP and the RNA processing cascade in the eukaryotic ancestor. BMC Evolutionary Biology, 7(1), 1–13. https://doi.org/10.1186/1471-2148-7-S1-S13
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