Two Natural Recombination gave rise to the Coxsackievirus B3 GV that triggered outbreaks in China in 2006 - 2012 - 20/02/21
, Hongxing Shen a, ⁎ Bienvenue sur EM-consulte, la référence des professionnels de santé.
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Highlights |
• | Recombination between CV-B3 GVI and EchoV E25 gave rise to the CV-B3 GV in the P2 region. |
• | Recombination between CV-B3 GV and CV-B5 gave rise to the CV-B3 GV in the P3 region. |
• | This two recombination events gave rise to CVB3 GV that triggered outbreaks in China in 2006–2012. |
Abstract |
Coxsackievirus B3 serotype GV caused the epidemic of Coxsackievirus B3 infection in China from 2006 to 2012. To study the evolution and recombination of Coxsackievirus B3 serotype GV, we performed recombination and phylogenetic analysis of 499 complete genomes of Enterovirus B available in GenBank, dated April 2019. Results indicated that most of the strains of Coxsackievirus B3 GV in P1 region were derived from a Coxsackievirus B3 GVI parent, and in P2-3 region from EchoV E25 strain, with nucleotide identities of 97.2% and 94.7%, respectively. Other strains of Coxsackievirus B3 GV-C1 in P1-P2 regions were derived from Coxsackievirus B3 GV-C3, whereas those in P3 regions were from CVB5. These naturally occurring recombination events were confirmed by phylogenetic analysis. This study indicates that two naturally occurring recombination gave rise to the coxsackievirus B3 GV that triggered outbreaks in China in 2006 - 2012.
Le texte complet de cet article est disponible en PDF.Keywords : Coxsackievirus B3, Coxsackievirus B5, Recombination, Phylogenetic
Abbreviations : CVB3, EV-B, EchoV, UTRs, ORF
Plan
Vol 51 - N° 1
P. 81-85 - février 2021 Retour au numéro
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