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<p>A novel ampelovirus, designated “arachis ampelovirus 1” (ArAV1), was identified through high-throughput sequencing in forage peanut (<i>Arachis pintoi</i>). The ArAV1 genome sequence, confirmed by Sanger sequencing, comprises 12,940 nucleotides and contains seven open reading frames (ORFs), indicating a typical ampelovirus genome structure. The HSP70 homolog, RdRp, and CP proteins were found to exhibit less than 75% amino acid sequence identity to those of other ampeloviruses. Phylogenetic analysis based on amino acid sequences of the HSP70 homolog and the RdRp showed that pineapple mealybug wilt-associated virus 1 is the most closely related to ArAV1, whereas analysis based on CP amino acid sequences revealed that the pineapple mealybug wilt-associated virus 3 is the closest relative of ArAV1. These analyses suggest that ArAV1 is a member of a new species within the genus <i>Ampelovirus</i>, for which we propose the binomial name “<i>Ampelovirus arachii</i>”.&#xa0;</p>

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Arachis ampelovirus 1, a novel ampelovirus infecting forage peanut

  • 期刊论文

  • 发表日期：

    2025年10月14日

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  • Caterynne Melo Kauffmann,
  • Alessandra de Jesus Boari,
  • Bruno Arcanjo Silva,
  • Paloma de Souza Queiroz,
  • Stephanny Barreto dos Santos Cárdenas,
  • Helena Beatriz da Silva Mota,
  • Amanda Moraes do Vale Batista,
  • Késsia Fátima Cunha Pantoja,
  • Bruno Rossitto De Marchi,
  • Giselle Mariano Lessa Assis,
  • Elliot Watanabe Kitajima,
  • Renate Krause-Sakate,
  • Tatsuya Nagata

摘要

A novel ampelovirus, designated “arachis ampelovirus 1” (ArAV1), was identified through high-throughput sequencing in forage peanut (Arachis pintoi). The ArAV1 genome sequence, confirmed by Sanger sequencing, comprises 12,940 nucleotides and contains seven open reading frames (ORFs), indicating a typical ampelovirus genome structure. The HSP70 homolog, RdRp, and CP proteins were found to exhibit less than 75% amino acid sequence identity to those of other ampeloviruses. Phylogenetic analysis based on amino acid sequences of the HSP70 homolog and the RdRp showed that pineapple mealybug wilt-associated virus 1 is the most closely related to ArAV1, whereas analysis based on CP amino acid sequences revealed that the pineapple mealybug wilt-associated virus 3 is the closest relative of ArAV1. These analyses suggest that ArAV1 is a member of a new species within the genus Ampelovirus, for which we propose the binomial name “Ampelovirus arachii”.