De novo emergence of a novel satellite RNA of cucumber mosaic virus following serial passages of the virus derived from RNA transcripts

De novo emergence of a novel satellite RNA of cucumber mosaic virus following serial passages of... Satellite RNA (satRNA) is often associated with cucumber mosaic virus (CMV); however, its origin remains unexplained and a subject for speculation. We passaged progeny of molecularly cloned CMV-Fny and CMV-LS in Nicotiana tabacum cv. Ky 14 under greenhouse conditions. A satRNA emerged after at least eight successive transfers of CMV-Fny, but no satRNA was recovered after eleven serial transfers of CMV-LS under the same conditions. The sequences of the newly emerged satRNA were determined, and an infectious cDNA clone was synthesized. Comparison of the sequences of the newly emerged satRNA with those of known CMV satRNAs showed that it is unique. This observation raises interesting questions regarding the enigmatic nature of the origin of CMV satRNAs. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

De novo emergence of a novel satellite RNA of cucumber mosaic virus following serial passages of the virus derived from RNA transcripts

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Publisher
Springer Vienna
Copyright
Copyright © 2009 by Springer-Verlag
Subject
Biomedicine; Infectious Diseases; Medical Microbiology ; Virology
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-008-0280-x
Publisher site
See Article on Publisher Site

Abstract

Satellite RNA (satRNA) is often associated with cucumber mosaic virus (CMV); however, its origin remains unexplained and a subject for speculation. We passaged progeny of molecularly cloned CMV-Fny and CMV-LS in Nicotiana tabacum cv. Ky 14 under greenhouse conditions. A satRNA emerged after at least eight successive transfers of CMV-Fny, but no satRNA was recovered after eleven serial transfers of CMV-LS under the same conditions. The sequences of the newly emerged satRNA were determined, and an infectious cDNA clone was synthesized. Comparison of the sequences of the newly emerged satRNA with those of known CMV satRNAs showed that it is unique. This observation raises interesting questions regarding the enigmatic nature of the origin of CMV satRNAs.

Journal

Archives of VirologySpringer Journals

Published: Jan 1, 2009

References

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