European Journal of Plant Pathology

, Volume 108, Issue 4, pp 367–371 | Cite as

Development of a General Potexvirus Detection Method

  • René A.A. van der Vlugt
  • Miranda Berendsen


A method was developed for the detection of viruses from the genus Potexvirus. Following alignment of full-length RNA sequences and deduced amino acid sequences of 10 different viruses from the genus Potexvirus, a number of conserved sequence motifs were identified in the viral replicase-encoding region. Seven different primers based on these motifs were tested for their efficiency as potexvirus group-specific cDNA and/or PCR primer. Several combinations of primers proved capable of generating DNA fragments for each of six different potexviruses tested. One cDNA primer in combination with one PCR primers set proved most successful in reliably generating discrete PCR products. Application of this set to a number of different potexviruses, some for which no sequence data had been published yet, resulted in amplification of virus-specific PCR products for all viruses tested. Sequence analysis of cloned PCR products confirmed their identity. This general potexvirus primer set can be useful for the identification of (unknown) potexvirus infections.

PCR-detection polymerase potexvirus virus identification 


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Copyright information

© Kluwer Academic Publishers 2002

Authors and Affiliations

  • René A.A. van der Vlugt
    • 1
  • Miranda Berendsen
    • 1
  1. 1.Plant Research International B.V.WageningenThe Netherlands

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