Archives of virology · 2025
Arachis ampelovirus 1, a novel ampelovirus infecting forage peanut.
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Kauffmann Caterynne Melo, de Jesus Boari Alessandra, Silva Bruno Arcanjo, de Souza Queiroz Paloma, Dos Santos Cárdenas Stephanny Barreto, da Silva Mota Helena Beatriz, do Vale Batista Amanda Moraes, Pantoja Késsia Fátima Cunha, De Marchi Bruno Rossitto, Assis Giselle Mariano Lessa, Kitajima Elliot Watanabe, Krause-Sakate Renate, Nagata Tatsuya
Аннотация
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”.