Variability of the progeny of a sequence variant Citrus bent leaf viroid (CBLVd)

Variability of the progeny of a sequence variant Citrus bent leaf viroid (CBLVd) A field isolate of CBLVd was previously shown to contain two dominant subpopulations (I and II), which differed by the presence or absence of a Sal I restriction site in the PCR product (10). Here we demonstrate the infectivity and symptom expression of subpopulation II by inoculating Etrog citron with a single representative haplotype. The resulting progeny was characterised as an heterogeneous population of closely related variants with a new fitness peak represented by an haplotype that was not identified in the original isolate. This demonstrates that CBLVd conforms a “quasispecies” model. The progeny shared features of the two subpopulations of the original isolate indicating that the original isolate probably arose from a single CBLVd ancestor. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Variability of the progeny of a sequence variant Citrus bent leaf viroid (CBLVd)

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Publisher
Springer-Verlag
Copyright
Copyright © 2004 by Springer-Verlag/Wien
Subject
LifeSciences
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-003-0219-1
Publisher site
See Article on Publisher Site

Abstract

A field isolate of CBLVd was previously shown to contain two dominant subpopulations (I and II), which differed by the presence or absence of a Sal I restriction site in the PCR product (10). Here we demonstrate the infectivity and symptom expression of subpopulation II by inoculating Etrog citron with a single representative haplotype. The resulting progeny was characterised as an heterogeneous population of closely related variants with a new fitness peak represented by an haplotype that was not identified in the original isolate. This demonstrates that CBLVd conforms a “quasispecies” model. The progeny shared features of the two subpopulations of the original isolate indicating that the original isolate probably arose from a single CBLVd ancestor.

Journal

Archives of VirologySpringer Journals

Published: Feb 1, 2004

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