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<p>Following their identification in French cereals in 2022–2023, the complete genome sequences of two isolates of wheat mosaic virus (WMoV, <i>Emaravirus tritici</i>) were determined. The French isolates showed the closest relationship to Ohio group isolates, with 92% (P7) to 98% (P1) amino acid sequence identity in their proteins. Notably, the two French isolates were found to differ significantly in their RNA7, and one of them was found to possess two RNA5 and three RNA6 segments, a feature not previously reported for WMoV. This represents the first identification of WMoV in the European Union, and the data reported here significantly extend our knowledge about the genome composition and diversity of this virus.</p>

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Characterization of French isolates of wheat mosaic virus and identification of multiple variants of genomic RNAs 5 and 6

  • 期刊论文

  • 发表日期：

    2026年1月7日

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  • T. Candresse,
  • L. Svanella-Dumas,
  • Aijun Huang,
  • C. Faure,
  • R. Comte,
  • A. Marais

摘要

Following their identification in French cereals in 2022–2023, the complete genome sequences of two isolates of wheat mosaic virus (WMoV, Emaravirus tritici) were determined. The French isolates showed the closest relationship to Ohio group isolates, with 92% (P7) to 98% (P1) amino acid sequence identity in their proteins. Notably, the two French isolates were found to differ significantly in their RNA7, and one of them was found to possess two RNA5 and three RNA6 segments, a feature not previously reported for WMoV. This represents the first identification of WMoV in the European Union, and the data reported here significantly extend our knowledge about the genome composition and diversity of this virus.