Complete genome sequences of two tombusvirus-like viruses identified in Echinacea purpurea seeds.
Avenavirus
Tombusviridae
Echinacea
Novel tombusvirus-like
Journal
Virus genes
ISSN: 1572-994X
Titre abrégé: Virus Genes
Pays: United States
ID NLM: 8803967
Informations de publication
Date de publication:
18 Jul 2024
18 Jul 2024
Historique:
received:
06
12
2023
accepted:
09
07
2024
medline:
18
7
2024
pubmed:
18
7
2024
entrez:
18
7
2024
Statut:
aheadofprint
Résumé
Echinacea is an herbaceous plant originating from North America that is cultivated for gardening and landscaping because of its showy flowers. Using high-throughput sequencing, we identified two viral contigs from echinacea seeds that were related to the family Tombusviridae. These two viruses were similar to oat chlorotic stunt virus (OCSV) and other unassigned tombusviruses; therefore, we tentatively named them Echinacea-associated tombusviruses 1 and 2 (EaTV1 and EaTV2, respectively). The EaTVs represent putative readthrough sites and have no poly(A) tails, aligning with the common features of family Tombusviridae. The EaTVs are included in a monophyletic group of OCSV and several unassigned tombusviruses. Because OCSV is the only member of Avenavirus to date, EaTVs are tentative members of Avenavirus, or they are close sister species to OCSV with several unassigned tombusviruses. RNA-dependent RNA polymerases and coat proteins were well conserved among EaTVs and unassigned tombusviruses; however, their similarities were not correlated, implying divergent and complex evolution.
Identifiants
pubmed: 39023842
doi: 10.1007/s11262-024-02092-5
pii: 10.1007/s11262-024-02092-5
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Subventions
Organisme : Animal and Plant Quarantine Agency
ID : project no. B-1543086-2021-22-01
Informations de copyright
© 2024. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.
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