RNA-guided genetic silencing systems in bacteria and archaea

RNA-guided genetic silencing systems in bacteria and archaea Clustered regularly interspaced short palindromic repeat (CRISPR) are essential components of nucleic-acid-based adaptive immune systems that are widespread in bacteria and archaea. Similar to RNA interference (RNAi) pathways in eukaryotes, CRISPR-mediated immune systems rely on small RNAs for sequence-specific detection and silencing of foreign nucleic acids, including viruses and plasmids. However, the mechanism of RNA-based bacterial immunity is distinct from RNAi. Understanding how small RNAs are used to find and destroy foreign nucleic acids will provide new insights into the diverse mechanisms of RNA-controlled genetic silencing systems. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nature Springer Journals

RNA-guided genetic silencing systems in bacteria and archaea

Nature, Volume 482 (7385) – Feb 15, 2012

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Publisher
Springer Journals
Copyright
Copyright © 2012 Nature Publishing Group, a division of Macmillan Publishers Limited. All Rights Reserved.
ISSN
0028-0836
eISSN
1476-4687
DOI
10.1038/nature10886
Publisher site
See Article on Publisher Site

Abstract

Clustered regularly interspaced short palindromic repeat (CRISPR) are essential components of nucleic-acid-based adaptive immune systems that are widespread in bacteria and archaea. Similar to RNA interference (RNAi) pathways in eukaryotes, CRISPR-mediated immune systems rely on small RNAs for sequence-specific detection and silencing of foreign nucleic acids, including viruses and plasmids. However, the mechanism of RNA-based bacterial immunity is distinct from RNAi. Understanding how small RNAs are used to find and destroy foreign nucleic acids will provide new insights into the diverse mechanisms of RNA-controlled genetic silencing systems.

Journal

NatureSpringer Journals

Published: Feb 15, 2012

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