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<p>In August 2024, a group of broadleaf plantain plants with conspicuous mosaic symptoms was observed in a meadow in Halifax, Canada. In the plant genus <i>Plantago</i>, which includes numerous weeds found worldwide such as broadleaf plantain, dozens of viruses have been described, including some that cause significant damage to cultivated plants. Suspected of having a viral infection, a sample was examined using Illumina high-throughput sequencing. Bioinformatic analysis revealed the complete coding sequence belonging to a previously unknown virus species with a genome organization typical for potexviruses, for which the name Plantago mosaic associated virus is proposed. Electron microscopic examinations confirmed the presence of filamentous virions. The virus isolate was successfully mechanically transferred to <i>Nicotiana benthamiana</i> and is available as a reference isolate in the DSMZ plant virus collection under accession number PV-1475.</p>

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Characterization of a new potexvirus associated with mosaic symptoms in Plantago major

  • 期刊论文

  • 发表日期：

    2026年1月20日

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  • Wulf Menzel,
  • Dennis Knierim,
  • Paolo Margaria,
  • Björn Krenz

摘要

In August 2024, a group of broadleaf plantain plants with conspicuous mosaic symptoms was observed in a meadow in Halifax, Canada. In the plant genus Plantago, which includes numerous weeds found worldwide such as broadleaf plantain, dozens of viruses have been described, including some that cause significant damage to cultivated plants. Suspected of having a viral infection, a sample was examined using Illumina high-throughput sequencing. Bioinformatic analysis revealed the complete coding sequence belonging to a previously unknown virus species with a genome organization typical for potexviruses, for which the name Plantago mosaic associated virus is proposed. Electron microscopic examinations confirmed the presence of filamentous virions. The virus isolate was successfully mechanically transferred to Nicotiana benthamiana and is available as a reference isolate in the DSMZ plant virus collection under accession number PV-1475.