In the late summer and the fall of 2014, the United States experienced an unprecedented outbreak of enterovirus D68 (EV-D68) infections. During the outbreak, we collected nasopharyngeal swab specimens from patients in the Lower Hudson Valley of New York. Here, we conduct a retrospective study on the genomic diversity of EV-D68 strains. We first employ a metagenomic shotgun sequencing protocol on a total of 93 clinical samples, including 21 negative controls, the results of which allow assembly of 20 EV-D68 genomes, six complete and 14 near-complete. We then investigate their genetic relationships, along with additional 20 EV-D68 strains having whole-genome sequences publicly available. Our comparative genomic analysis uncovers that the majority (26/29) of EV-D68 strains circulating in the 2014 outbreak differ significantly from prior ones, have a main feature of three variables, C1817T, C3277A, and A4020G, and belong to a new clade. C3277A causes amino acid substitution T860N in the protease 2A(pro) cleavage site between VP1 and 2A, whereas A4020G causes S1108G in a 3C(pro) cleavage site between 2B and 2C. The two functional mutations may alter the proteases' cleavage efficiency, leading to increased rate of viral replication and transmission. These provide insights into the evolution of epidemic EV-D68 strains.
Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4606740 | PMC |
| http://dx.doi.org/10.1038/srep15223 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Platelet factor 4-derived C15 peptide broadly inhibits enteroviruses by disrupting viral attachment.
J Virol
January 2025
Department of Infectious Diseases, Center of Infectious Diseases and Pathogen Biology, Institute of Virology and AIDS Research, Key Laboratory of Organ Regeneration and Transplantation of The Ministry of Education, The First Hospital of Jilin University, Changchun, Jilin, China.
Unlabelled: Platelet factor 4 (PF4) has been shown to regulate several viral infections. Our previous study demonstrated that PF4 inhibits the entry of enterovirus A 71 (EV71) and coxsackievirus A16 (CA16), which cause hand, foot, and mouth disease (HFMD). In this study, we report that PF4 also inhibits the circulating HFMD pathogen coxsackievirus A6 (CA6) and the re-emerging enterovirus D68 (EVD68).
View Article and Find Full Text PDFRhinoviruses and respiratory enteroviruses remain among the leading causes of acute respiratory infections, particularly in children. Little is known about the genetic diversity of enteroviruses and rhinoviruses in pediatric patients with acute respiratory infections in Russia. We assessed the prevalence of human rhinoviruses/enteroviruses (HRV/EV) in 1992 children aged 0 to 17 years hospitalized with acute respiratory infections during the 2023-2024 epidemic season using PCR.
View Article and Find Full Text PDFHuman enteroviruses and the long road to acute flacid paralysis eradication.
J Appl Microbiol
January 2025
Department of Genetics, Microbiology and Statistics, School of Biology, Enteric Virus Laboratory, Barcelona 08028, Spain.
Enteroviruses (EVs) are a highly diverse group of viruses multiplying primarily in the gastrointestinal tract and/or the upper respiratory tract, initially distributed in two separate genera: Enterovirus and Rhinovirus, respectively. According to the similarities in genome organization and particle structure, rhinovirus species were later reclassified as also belonging to genus Enterovirus. Human EV infections are usually asymptomatic or causing mild clinical manifestations.
View Article and Find Full Text PDFEmerging Therapeutics in the Fight Against EV-D68: A Review of Current Strategies.
Influenza Other Respir Viruses
December 2024
Infection and Immunity Research Strength, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway, Malaysia.
Enterovirus-D68 (EV-D68) was first identified in 1962 in pediatric patients with acute respiratory conditions in California, USA (US). From the 1970s to 2005, EV-D68 was underestimated due to limited data and serotyping methods. In 2014, the United States experienced outbreaks of acute flaccid myelitis (AFM) in children EV-D68 positive.
View Article and Find Full Text PDFPerformance Evaluation of Molecular Detection of Enteroviruses: Results of 18 Years of Quality Control for Molecular Diagnostics (QCMD) External Quality Assessment Program, 2005-2022.
J Med Virol
December 2024
Quality Control for Molecular Diagnostics (QCMD), Glasgow, UK.
The gold standard for enterovirus (EV) detection is the polymerase chain reaction based on the detection of the 5' untranslated region of the virus. Correct detection of EV is crucial for patient and public health purposes. The performance of diagnostic and public health laboratories on molecular EV-detection was analyzed using data from the external quality assessment program distributed by Quality Control for Molecular Diagnostics (QCMD) between 2005 and 2022.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!