ArticleArchives of virology2025
Genetic characterization of lumpy skin disease virus (LSDV) isolates from an outbreak on Great Nicobar Island, India, in 2022 reveals the involvement of a cluster 2.5 recombinant LSDV strain (East/Southeast Asian lineage).
Article in Archives of virology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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Who cites it
3 citing papers in PubMed.
- Construction and Biological Characterization of ORF133-Deletion Mutant of Lumpy Skin Disease Virus.Viruses · 2026Article
- Lumpy Skin Disease Virus (LSDV): evaluating global impact, Ethiopia's response strategies, and the promise of gamma-ray inactivated vaccines.Tropical animal health and production · 2025Review
- Detection and variant characterization of lumpy skin disease virus from dairy cattle in India.Virus evolution · 2025Article
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Authors and funding
5 authors.
Funding
Abstract
Lumpy skin disease (LSD) has emerged as a global threat to cattle health and production. Although India has been encountering regular episodes of LSD epidemics on the mainland since 2019, the Andaman and Nicobar Islands remained free of LSD until 2021. In this study, we investigated the first LSD outbreak on Great Nicobar Island in 2022 and examined the genetic characteristics of the LSDV strain associated with this outbreak. The morbidity and mortality rates in cattle were 38.29% and 1.89%, respectively. We screened 123 samples (whole blood, nasal swab, or skin tissue) from 111 cattle by LSDV real-time PCR and sera from 86 cattle by LSDV antibody ELISA, and the results confirmed LSDV infection. Subsequent nucleotide sequencing and phylogenetic analysis of five selected marker genes (GPCR, RPO30, P32, EEV, and B22R) revealed that the LSDV strain from Great Nicobar Island resembled cluster 2.5 LSDV recombinant strains from East and Southeast Asia but was distinct from wild-type LSDV strains (1.2.1, 1.2.2) circulating in mainland India, indicating an exotic source of introduction. Phylogenetic analysis using a concatenated sequence (GPCR-RPO30-P32-EEV-B22R) showed that both the wild-type and recombinant LSDV strains formed well-supported clusters, indicating that this type of analysis may be used as an alternative to whole-genome sequence analysis. We also found that determination of the nucleotide sequence of the C-terminal 717 bp of the B22R gene may be sufficient for reliable assignment of circulating LSDV isolates to a particular cluster. This is the first report of the detection of a recombinant LSDV strain in India, demonstrating the spread of cluster 2.5 recombinant LSDV further into South Asia. Our findings highlight the value of LSDV surveillance and genetic analysis for LSDV epidemiology, which may be helpful for developing effective control strategies.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.