ArticleBMC plant biology2022
Identification and characterization of a new geminivirus from soybean plants and determination of V2 as a pathogenicity factor and silencing suppressor.
Article in BMC plant biology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed.
- The divergent V2 protein encoded by parsley yellow leaf curl virus is a suppressor of transcriptional and post-transcriptional gene silencing and a potential symptom determinant.BMC plant biology · 2026Article
- SLCMV-Encoded BC1 Protein Suppresses Photosynthesis by Disrupting Chloroplast Structure and Gene Expression.Molecular plant pathology · 2026Article
- Evaluation of soybean germplasms for resistance to stay-green syndrome.Scientific reports · 2025Article
- Papain-Like Cysteine Proteases Contribute to Functional Cleavage of Begomoviral V2 Effector Required for Relevant Virulences.Molecular plant pathology · 2025Article
- Geminivirus diseases of legumes in India: current status and approaches for management.Physiology and molecular biology of plants : an international journal of functional plant biology · 2025Review
- Article
- Identification of RNA silencing suppressor encoded by citrus chlorotic dwarf-associated virus.Frontiers in microbiology · 2024Article
- The Characterization of Three Novel Insect-Specific Viruses Discovered in the Bean Bug,Viruses · 2022Article
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Authors and funding
11 authors.
Funding
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Abstract
backgroundSoybean is one of the four major crops in China. The occurrence of viruses in soybean causes significant economic losses.
resultsIn this study, the soybean leaves from stay-green plants showing crinkle were collected for metatranscriptomic sequencing. A novel geminivirus, tentatively named soybean geminivirus A (SGVA), was identified in soybean stay-green plants. Sequence analysis of the full-length SGVA genome revealed a genome of 2762 nucleotides that contain six open reading frames. Phylogenetic analyses revealed that SGVA was located adjacent to the clade of begomoviruses in both the full genome-based and C1-based phylogenetic tree, while in the CP-based phylogenetic tree, SGVA was located adjacent to the clade of becurtoviruses. SGVA was proposed as a new recombinant geminivirus. Agroinfectious clone of SGVA was constructed. Typical systemic symptoms of curly leaves were observed at 11 dpi in Nicotiana benthamiana plants and severe dwarfism was observed after 3 weeks post inoculation. Expression of the SGVA encoded V2 and C1 proteins through a potato virus X (PVX) vector caused severe symptoms in N. benthamiana. The V2 protein inhibited local RNA silencing in co-infiltration assays in GFP transgenic 16C N. benthamiana plants. Further study revealed mild symptoms in N. benthamiana plants inoculated with SGVA-ZZ
conclusionsThis work identified a new geminivirus in soybean stay-green plants and determined V2 as a pathogenicity factor and silencing suppressor.
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