Genomic characterization of coxsackievirus type A24 strains associated with acute flaccid paralysis and rarely identified Hopkins syndrome

Genomic characterization of coxsackievirus type A24 strains associated with acute flaccid... The full-length genome sequence analysis of four coxsackievirus A24 (CV-A24) strains, detected in three paralytic and one post-asthmatic paralytic (Hopkins syndrome) cases, is reported here for the first time. A phylogenetic tree constructed on the basis of entire genomes displayed topology similar to that of the full-VP1 tree, classifying the study strains in genogroup CV-A24vGIV along with their temporal counterparts in strains from non-paralytic cases. The strains of the study formed a single genetic cluster C4 within CV-A24vGIV and showed 3.5–19.4 % nucleotide sequence divergence, with 2-4 novel nucleotide mutations in the 5′NCR and 3-8 unique amino acid substitutions in the polyprotein, with respect to the CV-A24 strains associated with non-paralytic cases. Among the nucleotide mutations, A299U was identified in the 5′NCRs of all of the study strains. CV-A24v strains of the same genogroup with few genomic variations but different disease manifestations need to be explored to investigate the molecular basis of evolution of neurovirulence. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Genomic characterization of coxsackievirus type A24 strains associated with acute flaccid paralysis and rarely identified Hopkins syndrome

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Publisher
Springer Vienna
Copyright
Copyright © 2014 by Springer-Verlag Wien
Subject
Biomedicine; Virology; Medical Microbiology; Infectious Diseases
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-014-2129-9
Publisher site
See Article on Publisher Site

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