ArticleVirus genes2020
Genomic and biological characterization of a pandemic norovirus variant GII.4 Sydney 2012.
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 5 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
5 citing papers in PubMed, 11 citations in OpenAlex.
- Characteristics of Norovirus capsid protein-specific CD8Virulence · 2024Article
- Article
- Dynamic and Seasonal Distribution of Enteric Viruses in Surface and Well Water in Riyadh (Saudi Arabia).Pathogens (Basel, Switzerland) · 2023Article
- Development and validation of an efficient nomogram for risk assessment of norovirus infection in pediatric patients.European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology · 2022Article
- Review
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Authors and funding
10 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Genogroup II, genotype 4 noroviruses (GII.4 NoVs) are a leading cause of epidemic and sporadic acute non-bacterial gastroenteritis worldwide. In this study, we isolated a GII.4 NoV strain (designated 2015HN08) from a kid presenting with acute gastroenteritis and determined its near-complete genome sequence. We then performed sequence analysis by comparing this strain with the prototypical GII.4 strain. Virus-like particles (VLPs) derived from the major capsid protein (VP1) were expressed by using a recombinant-baculovirus expression system, and monoclonal antibodies (mAbs) were produced to compare changes in antigenic or histo-blood group antigens (HBGAs) binding sites with the previously characterized GII.4 NoV strain (JZ403). The genome of 2015HN08 was 7559 nucleotides (nt) long, excluding the poly(A) tail. Genotyping analysis indicated that this strain was a Sydney 2012 variant. In comparison with the prototype Sydney 2012 strain, there were 74, 35, and 16 differences in nucleotide sequences in ORF1, OFR2, and OFR3, causing 7, 10, and 6 amino acid (aa) changes, respectively. Expression of VP1 led to successful assembly of VLPs, as demonstrated by electron microscopy. Screening of hybridoma cell supernatants with an in vitro VLP-HBGAs binding blockade assay led to the identification of a cell clone 3G10 that exhibited HBGA-blocking effects. This mAb also exhibited blocking effects against JZ403 strain, suggesting maintenance of the antigenic site and/or HBGAs binding sites between the two strains. In summary, we determined the near-complete genome sequence of a GII.4 Sydney 2012 variant and produced an mAb with blocking effects that might be useful in evaluating the evolution of current Sydney 2012 NoV strains.
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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 OpenQuestion graph.