Characterization of siRNAs derived from cucumber mosaic virus in infected tobacco plants

Characterization of siRNAs derived from cucumber mosaic virus in infected tobacco plants This study characterized the viral small interfering RNAs (vsiRNAs) from Nicotiana tabacum cv. Samsun infected with a cucumber mosaic virus (CMV) 2b-deficient mutant. Most vsiRNAs were 21 -22 nucleotides in length and the 5′-terminal ends were dominated by A and U, respectively. The observed vsiRNAs were heterogeneously distributed throughout the CMV genome; however, most of the vsiRNAs were derived from sense strands, as opposed to antisense strands. These results demonstrate the conserved and specific function of Dicer-like (DCL), Argonaute (AGO) and RNA-dependent RNA polymerase (RDR) proteins in tobacco. Finally, it was revealed that vsiRNAs target abundant host genes, indicating complex roles for CMV vsiRNAs during the development of symptoms. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Characterization of siRNAs derived from cucumber mosaic virus in infected tobacco plants

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Publisher
Springer Journals
Copyright
Copyright © 2017 by Springer-Verlag Wien
Subject
Biomedicine; Virology; Medical Microbiology; Infectious Diseases
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-017-3335-z
Publisher site
See Article on Publisher Site

Abstract

This study characterized the viral small interfering RNAs (vsiRNAs) from Nicotiana tabacum cv. Samsun infected with a cucumber mosaic virus (CMV) 2b-deficient mutant. Most vsiRNAs were 21 -22 nucleotides in length and the 5′-terminal ends were dominated by A and U, respectively. The observed vsiRNAs were heterogeneously distributed throughout the CMV genome; however, most of the vsiRNAs were derived from sense strands, as opposed to antisense strands. These results demonstrate the conserved and specific function of Dicer-like (DCL), Argonaute (AGO) and RNA-dependent RNA polymerase (RDR) proteins in tobacco. Finally, it was revealed that vsiRNAs target abundant host genes, indicating complex roles for CMV vsiRNAs during the development of symptoms.

Journal

Archives of VirologySpringer Journals

Published: Mar 27, 2017

References

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