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

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• 作者：L. Lotos ; V. I. Maliogka ; N. I. Katis
• 刊名：Archives of Virology
• 出版年：2016
• 出版时间：February 2016
• 年：2016
• 卷：161
• 期：2
• 页码：431-436
• 全文大小：659 KB
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• 作者单位：L. Lotos (1)
  V. I. Maliogka (1)
  N. I. Katis (1)
  
  1. Plant Pathology Laboratory, Faculty of Agriculture, School of Agriculture, Forestry and Natural Environment, Aristotle University of Thessaloniki, 54124, Thessaloníki, Greece
  
• 刊物类别：Biomedical and Life Sciences
• 刊物主题：Biomedicine
  Virology
  Medical Microbiology
  Infectious Diseases
  
• 出版者：Springer Wien
• ISSN：1432-8798

文摘

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. Electronic supplementary materialThe online version of this article (doi:10.​1007/​s00705-015-2662-1) contains supplementary material, which is available to authorized users.