Genetic diversity of strawberry mild yellow edge virus from eastern Canada

Archives of Virology
Yu XiangAlexa C Creelman

Abstract

Strawberry mild yellow edge virus (SMYEV) is a member of the genus Potexvirus, family Alphaflexiviridae. It is one of the most common pathogenic viruses infecting cultivated strawberries worldwide. In this study, we investigated the genetic diversity of SMYEV in strawberry fields that were severely affected by strawberry decline disease in the eastern Canadian provinces of New Brunswick, Nova Scotia, Prince Edward Island and Quebec. A total of 134 SMYEV coat protein (CP) gene sequences, representing 85 nucleic acid haplotypes, were identified in 56 field samples. A highly divergent SMYEV population was found in all four provinces, but there was little genetic differentiation among the populations, and moreover, the Canadian SMYEV isolates formed a unique dissimilar, genetically divergent population group when compared to those reported in other countries. Phylogenetic analysis revealed three new SMYEV subclades that consisted mainly of Canadian variants and were composed of 76 sequence haplotypes (76/85, 88%). Mixed infections by different SMYEV variants were observed in 38 samples (38/56, 68%). Evolutionary analysis suggested that the SMYEV strains in eastern Canada possibly originated outside of Canada but adapted to conditio...Continue Reading

References

Oct 27, 2004·Archives of Virology·J R ThompsonW De Jong
Apr 9, 2010·Journal of Virology·Israel Pagán, Edward C Holmes
May 3, 2011·Annual Review of Phytopathology·Joanna Sztuba-SolińskaJozef J Bujarski
Mar 24, 2016·Molecular Biology and Evolution·Sudhir KumarKoichiro Tamura
May 26, 2015·Virus Evolution·Darren P MartinBrejnev Muhire
Apr 1, 2006·Plant Disease·Robert R Martin, Ioannis E Tzanetakis

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Citations

Aug 28, 2021·Molecular Biology Reports·Mohammad Hajizadeh, Nasrin Ghaderi Zandan

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Datasets Mentioned

BETA
NB1165
MN173666
MN180108
MN180158
MG418838

Methods Mentioned

BETA
Illumina sequencing
PCR
electrophoresis

Software Mentioned

ClustalW
GenAIEx
AMOVA
Molecular Evolutionary Genetics Analysis ( MEGA )
DnaSP
Genetic Analysis in Excel ( GenAIEx )
Recombination Detection Program 4 ( RDP4 )
CLC Genomics Workbench
MEGA
DNA Sequence Polymorphism ( DnaSP )

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