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  • Title: Metatranscriptome and small RNA sequencing revealed a mixed infection of newly identified bymovirus and bean yellow mosaic virus on peas.
    Author: Cao C, Hu B, Li H, Wei Z, Li L, Zhang H, Chen J, Sun Z, Xu Z, Li Y.
    Journal: Virology; 2024 Aug; 596():110116. PubMed ID: 38788336.
    Abstract:
    Peas (Pisum sativum L.) are widely cultivated in temperate regions and are susceptible hosts for various viruses across different families. The discovery and identification of new viruses in peas has significant implications for field disease management. Here, we identified a mixed infection of two viruses from field-collected peas exhibiting virus-like symptoms using metatranscriptome and small RNA sequencing techniques. Upon identification, one of the viruses was determined to be a newly isolated and discovered bymovirus from peas, named "pea bymovirus 1 (PBV1)". The other was identified as a novel variant of bean yellow mosaic virus (BYMV-HZ1). Subsequently, mechanical inoculation and RT-PCR assays confirmed that both viruses could be inoculated back onto peas and tobaccos, showing mixed infection by PBV1 and BYMV-HZ1. To our knowledge, this is the first isolation of a bymovirus from pea and the first documented case of mixed infection of peas by PBV1 and BYMV-HZ1 in China.
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