Three capsid amino acids notably influence coxsackie B3 virus stability

Steven D. Carson, Steven Tracy, Zac G. Kaczmarek, Abdulaziz Alhazmi, Nora M. Chapman

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

Coxsackievirus B3 strain 28 (CVB3/28) is less stable at 37ºC than eight other CVB3 strains with which it has been compared, including four in this study. In a variant CVB3/28 population selected for increased stability at 37ºC, the capsid proteins of the stable variant differed from the parental CVB3/28 by two mutations in Vp1 and one mutation in Vp3, each of which resulted in altered protein sequences. Each of the amino acid changes was individually associated with a more stable virus. Competition between CVB3/28 and a more stable derivative of the strain showed that propagation of the less stable virus was favoured in receptor-rich HeLa cells.

Original languageEnglish (US)
Pages (from-to)60-68
Number of pages9
JournalJournal of General Virology
Volume97
Issue number1
DOIs
StatePublished - Jan 2016

ASJC Scopus subject areas

  • Virology

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