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Infectious Virions of Bombyx Mori Latent Virus Are Incorporated into Bombyx Mori Nucleopolyhedrovirus Occlusion Bodies.


ABSTRACT: The Bombyx mori latent virus (BmLV) belongs to the unassigned plant virus family Tymoviridae and contains a positive-sense, single-stranded RNA genome. BmLV has infected almost all B. mori-derived cultured cell lines through unknown routes. The source of BmLV infection and the BmLV life cycle are still unknown. Here, we examined the interaction between BmLV and the insect DNA virus Bombyx mori nucleopolyhedrovirus (BmNPV). Persistent infection with BmLV caused a slight delay in BmNPV propagation, and BmLV propagation was enhanced in B. mori larvae via co-infection with BmNPV. We also showed that BmLV infectious virions were co-occluded with BmNPV virions into BmNPV occlusion bodies. We propose a new relationship between BmLV and BmNPV.

SUBMITTER: Tsukui K 

PROVIDER: S-EPMC6521139 | biostudies-literature | 2019 Apr

REPOSITORIES: biostudies-literature

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Infectious Virions of <i>Bombyx Mori Latent Virus</i> Are Incorporated into <i>Bombyx Mori Nucleopolyhedrovirus</i> Occlusion Bodies.

Tsukui Keita K   Yagisawa Chihiro C   Fujimoto Shota S   Ogawa Moe M   Kokusho Ryuhei R   Nozawa Mitsuyoshi M   Kawasaki Hideki H   Katsuma Susumu S   Iwanaga Masashi M  

Viruses 20190401 4


The <i>Bombyx mori latent virus</i> (BmLV) belongs to the unassigned plant virus family <i>Tymoviridae</i> and contains a positive-sense, single-stranded RNA genome. BmLV has infected almost all <i>B. mori</i>-derived cultured cell lines through unknown routes. The source of BmLV infection and the BmLV life cycle are still unknown. Here, we examined the interaction between BmLV and the insect DNA virus <i>Bombyx mori nucleopolyhedrovirus</i> (BmNPV). Persistent infection with BmLV caused a sligh  ...[more]

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