Diversity and evolution of potato mop-top virus

Diversity and evolution of potato mop-top virus Nearly complete sequences of RNA-CP and 3′-proximal RNA-TGB were determined for 43 samples of potato mop-top virus (PMTV) originating from potato tubers and field soil from Sweden, Denmark and the USA. The results showed limited diversity and no strict geographical grouping, suggesting only a few original introductions of PMTV from the Andes. Two distinguishable types of RNA-CP and RNA-TGB were found in the samples, but no specific combination of them correlated with spraing symptoms in tubers. Lack of positive selection in the coding sequences indicates that there is no specific molecular adaptation of PMTV to new vectors or hosts. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

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Publisher
Springer Journals
Copyright
Copyright © 2015 by Springer-Verlag Wien
Subject
Biomedicine; Virology; Medical Microbiology; Infectious Diseases
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-015-2381-7
Publisher site
See Article on Publisher Site

Abstract

Nearly complete sequences of RNA-CP and 3′-proximal RNA-TGB were determined for 43 samples of potato mop-top virus (PMTV) originating from potato tubers and field soil from Sweden, Denmark and the USA. The results showed limited diversity and no strict geographical grouping, suggesting only a few original introductions of PMTV from the Andes. Two distinguishable types of RNA-CP and RNA-TGB were found in the samples, but no specific combination of them correlated with spraing symptoms in tubers. Lack of positive selection in the coding sequences indicates that there is no specific molecular adaptation of PMTV to new vectors or hosts.

Journal

Archives of VirologySpringer Journals

Published: May 1, 2015

References

  • Necrotic diseases caused by viruses in Swedish potato tubers
    Beuch, U; Persson, P; Edin, E; Kvarnheden, A
  • Complete genomic sequence of a Tobacco rattle virus isolate from Michigan-grown potatoes
    Crosslin, JM; Hamm, PB; Kirk, WW; Hammond, RW
  • DnaSP v5: a software for comprehensive analysis of DNA polymorphism data
    Librado, P; Rozas, J
  • Identification of two nucleotide sequence sub-groups within Potato mop-top virus
    Nielsen, SL; Nicolaisen, M
  • The readthrough region of Potato mop-top virus (PMTV) coat protein encoding RNA, the second largest RNA of PMTV genome, undergoes structural changes in naturally infected and experimentally inoculated plants
    Sandgren, M; Savenkov, EI; Valkonen, JPT
  • Statistical method for testing the neutral mutation hypothesis by DNA polymorphism
    Tajima, F

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