Ribonucleoproteins in Archaeal Pre-rRNA Processing and Modification
Given that ribosomes are one of the most important cellular macromolecular machines, it is not surprising that there is intensive research in ribosome biogenesis. Ribosome biogenesis is a complex process. The maturation of ribosomal RNAs (rRNAs) requires not only the precise cleaving and folding of...
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| Veröffentlicht in: | Archaea 2013-01, Vol.2013 (2013), p.253-266 |
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| creator | Yip, W. S. Vincent Vincent, Nicholas G. Baserga, Susan J. |
| description | Given that ribosomes are one of the most important cellular macromolecular machines, it is not surprising that there is intensive research in ribosome biogenesis. Ribosome biogenesis is a complex process. The maturation of ribosomal RNAs (rRNAs) requires not only the precise cleaving and folding of the pre-rRNA but also extensive nucleotide modifications. At the heart of the processing and modifications of pre-rRNAs in Archaea and Eukarya are ribonucleoprotein (RNP) machines. They are called small RNPs (sRNPs), in Archaea, and small nucleolar RNPs (snoRNPs), in Eukarya. Studies on ribosome biogenesis originally focused on eukaryotic systems. However, recent studies on archaeal sRNPs have provided important insights into the functions of these RNPs. This paper will introduce archaeal rRNA gene organization and pre-rRNA processing, with a particular focus on the discovery of the archaeal sRNP components, their functions in nucleotide modification, and their structures. |
| doi_str_mv | 10.1155/2013/614735 |
| format | Article |
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S. Vincent ; Vincent, Nicholas G. ; Baserga, Susan J.</creator><contributor>Marchfelder, Anita</contributor><creatorcontrib>Yip, W. S. Vincent ; Vincent, Nicholas G. ; Baserga, Susan J. ; Marchfelder, Anita</creatorcontrib><description>Given that ribosomes are one of the most important cellular macromolecular machines, it is not surprising that there is intensive research in ribosome biogenesis. Ribosome biogenesis is a complex process. The maturation of ribosomal RNAs (rRNAs) requires not only the precise cleaving and folding of the pre-rRNA but also extensive nucleotide modifications. At the heart of the processing and modifications of pre-rRNAs in Archaea and Eukarya are ribonucleoprotein (RNP) machines. They are called small RNPs (sRNPs), in Archaea, and small nucleolar RNPs (snoRNPs), in Eukarya. Studies on ribosome biogenesis originally focused on eukaryotic systems. However, recent studies on archaeal sRNPs have provided important insights into the functions of these RNPs. 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Vincent Yip et al.</rights><rights>COPYRIGHT 2013 John Wiley & Sons, Inc.</rights><rights>Copyright © 2013 W. S. 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| subjects | Analysis Archaea Archaea - genetics Archaea - metabolism Archaeabacteria Gene Expression Regulation, Archaeal Genetic aspects Physiological aspects Review Ribonucleoproteins Ribonucleoproteins - metabolism Ribosomal RNA RNA Precursors - metabolism RNA Processing, Post-Transcriptional |
| title | Ribonucleoproteins in Archaeal Pre-rRNA Processing and Modification |
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