ArticleMolecular biology reports2025
Characterization of a novel recombinant begomovirus and tomato leaf curl Kunene virus infecting bottle gourd in Kenya.
Article in Molecular biology reports, 2025. 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.
- Asymmetric LAMP-gold nanoparticle biosensing for rapid detection of Kenyan tomato leaf curl virus isolates from crude extracts.RSC advances · 2026Article
- High-throughput sequencing-based virome analysis reveals genomic diversity and recombination of tomato-infecting viruses in Korea.Scientific reports · 2026Article
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Authors and funding
6 authors.
Funding
Abstract
backgroundLeaves of bottle gourd (Lagenaria siceraria (Molina) Standl.) exhibiting mottling and interveinal chlorosis symptoms Were collected from Meru, Kenya, in 2023. The current study investigated the causal agent of this disease. METHODS AND
resultsPolymerase Chain Reaction (PCR) using universal begomovirus primers confirmed the presence of a monopartite begomovirus in two out of four symptomatic samples. No satellite DNA or DNA-B components were detected. Full-length genome sequencing and BLAST analysis identified one isolate (L5; GenBank accession no. LC865744) as tomato leaf curl Kunene virus (ToLCKunV) with a nucleotide identity of 91.2%, while the other (L4; LC865743) showed low nucleotide identity (at most 87.4%) to any known begomovirus. Recombination analysis revealed that the novel virus (L4) is a chimera derived from ToLCKunV-[Na:19] and tomato leaf curl Uganda virus [UG:Iga:05]. Based on ICTV criteria, this recombinant qualifies as a new begomovirus species, for which we propose a new species name "Begomovirus lagenariae" and virus name "bottle gourd leaf mottling virus (BGLMV-[KE:Mer:23])". Infectious clones of both isolates were constructed and used to successfully infect Nicotiana benthamiana, tomato, cucumber, and bottle gourd under controlled conditions.
conclusionThis study presents the first evidence of begomovirus infection in cucurbit crops in Kenya, highlighting the presence of two distinct viral isolates: a newly characterized recombinant, BGLMV, and a local isolate of ToLCKunV.
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