New poleroviruses associated with yellowing symptoms in different vegetable crops in Greece

New poleroviruses associated with yellowing symptoms in different vegetable crops in Greece Four poleroviral isolates from Greece, two from lettuce, one from spinach and one from watermelon showing yellowing symptoms, were molecularly characterized by analyzing the sequence of a large part of the genome spanning from the 3′-terminal part of the RdRp to the end of the CP gene. The sequences were analyzed for their similarity and phylogenetic relationships to other members of the genus Polerovirus as well as for evidence of recombination events. The results revealed the existence of two putatively new viruses: one from lettuce and one from spinach, provisionally named “lettuce yellows virus” and “spinach yellows virus”, respectively. Also, a new recombinant virus infecting lettuce, herein named “lettuce mild yellows virus”, and a watermelon isolate of pepo aphid-borne yellows virus (PABYV) were identified. Our study highlights the existence of high genetic diversity within the genus Polerovirus , which could be associated with the emergence of new viral diseases in various crops worldwide. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

New poleroviruses associated with yellowing symptoms in different vegetable crops in Greece

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Publisher
Springer Vienna
Copyright
Copyright © 2016 by Springer-Verlag Wien
Subject
Biomedicine; Virology; Medical Microbiology; Infectious Diseases
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-015-2662-1
Publisher site
See Article on Publisher Site

Abstract

Four poleroviral isolates from Greece, two from lettuce, one from spinach and one from watermelon showing yellowing symptoms, were molecularly characterized by analyzing the sequence of a large part of the genome spanning from the 3′-terminal part of the RdRp to the end of the CP gene. The sequences were analyzed for their similarity and phylogenetic relationships to other members of the genus Polerovirus as well as for evidence of recombination events. The results revealed the existence of two putatively new viruses: one from lettuce and one from spinach, provisionally named “lettuce yellows virus” and “spinach yellows virus”, respectively. Also, a new recombinant virus infecting lettuce, herein named “lettuce mild yellows virus”, and a watermelon isolate of pepo aphid-borne yellows virus (PABYV) were identified. Our study highlights the existence of high genetic diversity within the genus Polerovirus , which could be associated with the emergence of new viral diseases in various crops worldwide.

Journal

Archives of VirologySpringer Journals

Published: Feb 1, 2016

References

  • Occurrence of yellowing viruses (Beet pseudo-yellows virus, Cucurbit yellow stunting disorder virus and Cucurbit aphid-borne yellows virus) affecting cucurbits in Greece
    Boubourakas, IN; Avgelis, AD; Kyriakopoulou, PE; Katis, NI
  • Assessment of bluetongue viraemia in sheep by real-time PCR and correlation with viral infectivity
    Chatzinasiou, E; Dovas, CΙ; Papanastassopoulou, M; Georgiadis, M; Psychas, V; Bouzalas, I; Koumbati, M; Koptopoulos, G; Papadopoulos, O

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