ArticleVirus genes2020
Estimation of the functions of viral RNA silencing suppressors by apple latent spherical virus vector.
Article in Virus genes, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed, 5 citations in OpenAlex.
- Identification and functional analysis of the CqGID1 homologs in quinoa.Plant cell reports · 2025Article
- Evolution and functioning of an X-A balance sex-determining system in hops.Nature plants · 2025Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Apple latent spherical virus (ALSV) is a latent virus with wide host range of plant species. In the present study, we prepared ALSV vectors expressing RNA silencing suppressors (RSSs) from eight plant viruses: P19 of carnation Italian ring spot virus (tombusvirus), 2b of peanut stunt virus (cucumovirus), NSs of tomato spotted wilt virus (tospovirus), HC-Pro of bean yellow mosaic virus (potyvirus), γb of barley stripe mosaic virus (hordeivirus), P15 of peanut clump virus (pecluvirus), P1 of rice yellow mottle virus (sobemovirus), or P21 of beet yellows virus (closterovirus). These vectors were inoculated to Nicotiana benthamiana to investigate the effects of RSSs on the virulence and accumulation of ALSV. Among the vectors, ALSV expressing NSs (ALSV-NSs) developed severe mosaic symptoms in newly developed leaves followed by plant death. Infection of ALSV-γb induced characteristic concentric ringspot symptoms on leaves, and plants infected with ALSV-HC-Pro showed mosaic and dwarf symptoms. Infection of the other five ALSV vectors did not show symptoms. ELISA and immunoblot assay indicated that virus titer increased in leaves infected with ALSV-NSs, γb, HC-Pro, or P19. RT-qPCR indicated that the amount of ALSV in plants infected with ALSV-NSs was increased by approximately 45 times compared with that of wtALSV without expression of any RSS. When ALSV-P19, NSs, or HC-Pro was inoculated to Cucumis sativus plants, none of these ALSV vectors induced symptoms, but accumulation of ALSV in plants infected with ALSV-NSs was increased, suggesting that functions of RSSs on virulence and accumulation of ALSV depend on host species.
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