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Life and Death of Ribosomes in Archaea

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RNA Metabolism and Gene Expression in Archaea

Part of the book series: Nucleic Acids and Molecular Biology ((NUCLEIC,volume 32))

Abstract

Ribosomes are universally conserved large ribonucleoprotein particles ensuring protein synthesis in every cell. The universal conservation of ribosome function and structure offers a unique paradigm for understanding how RNP assembly mechanisms and function have evolved. Consequently, deciphering the general principles and differences of ribosome synthesis and function can contribute to a better understanding of the evolution history of these fundamental processes.

However, to achieve such a level of understanding, it is necessary to define conserved and specific principles of the ribosome life cycle in model organisms representative of all domains of life. Whereas, ribosome synthesis has been well characterized in both bacteria and eukarya, the archaeal ribosome biogenesis pathway is, in contrast, still largely unexplored.

In the following chapter, I provide a general survey of selected known and/or putative key features of the archaeal ribosome biogenesis pathway and highlight examples of functional convergence shared in the different domains of life.

Altogether, the archaeal ribosome life cycle appears to proceed via a mixture of bacterial-like and eukaryotic-like features to which archaeal specific features have been eventually implemented. In addition, it also suggests that several aspects of the eukaryotic ribosome life cycle have evolved, to some extent, on the basis of a “simplified” archaeal-like ribosome biogenesis pathway.

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Acknowledgements

I am grateful to Daniela Strauß, Robert Knüppel and Béatrice Clouet d´Orval for discussions, suggestions and proof-reading. This work is supported by the chair of Biochemistry III “House of the Ribosome”—University of Regensburg and by the DFG-funded collaborative research centre CRC/SFB960-AP1 “Ribosome formation: principles of RNP biogenesis and control of their function”.

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Correspondence to Sébastien Ferreira-Cerca .

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Ferreira-Cerca, S. (2017). Life and Death of Ribosomes in Archaea. In: Clouet-d'Orval, B. (eds) RNA Metabolism and Gene Expression in Archaea. Nucleic Acids and Molecular Biology, vol 32. Springer, Cham. https://doi.org/10.1007/978-3-319-65795-0_6

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