Small nucleolar RNA genes

Small nucleolar RNA genes Small nucleolar RNAs (snoRNAs) are one of the most numerous and well-studied groups of non-protein-coding RNAs. In complex with proteins, snoRNAs perform the two most common nucleotide modifications in rRNA: 2′-OH-methylation of ribose and pseudouridylation. Although the modification mechanisms and snoRNP structures are highly conserved, the snoRNA genes are surprisingly diverse in organization. In addition to genes transcribed independently, there are genes that are in introns of other genes, form clusters transcribed from a common promoter, or clusters in introns. Interestingly, one type of gene organization usually prevails in different taxa. Vertebrate snoRNAs mostly originate from introns of protein-coding genes; a small group of snoRNAs are encoded by introns of genes for noncoding RNAs. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Small nucleolar RNA genes

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Publisher
Nauka/Interperiodica
Copyright
Copyright © 2007 by Pleiades Publishing, Inc.
Subject
Biomedicine; Human Genetics; Animal Genetics and Genomics; Microbial Genetics and Genomics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1134/S1022795407020019
Publisher site
See Article on Publisher Site

Abstract

Small nucleolar RNAs (snoRNAs) are one of the most numerous and well-studied groups of non-protein-coding RNAs. In complex with proteins, snoRNAs perform the two most common nucleotide modifications in rRNA: 2′-OH-methylation of ribose and pseudouridylation. Although the modification mechanisms and snoRNP structures are highly conserved, the snoRNA genes are surprisingly diverse in organization. In addition to genes transcribed independently, there are genes that are in introns of other genes, form clusters transcribed from a common promoter, or clusters in introns. Interestingly, one type of gene organization usually prevails in different taxa. Vertebrate snoRNAs mostly originate from introns of protein-coding genes; a small group of snoRNAs are encoded by introns of genes for noncoding RNAs.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Feb 24, 2007

References

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