Experimental and mathematical insights on the interactions between poliovirus and a defective interfering genome

Yuta Shirogane, Elsa Rousseau, Jakub Voznica, Yinghong Xiao, Weiheng Su, Adam Catching, Zachary J. Whitfield, Igor M. Rouzine, Simone Bianco, Raul Andino

研究成果: Contribution to journalArticle査読

3 被引用数 (Scopus)

抄録

During replication, RNA viruses accumulate genome alterations, such as mutations and deletions. The interactions between individual variants can determine the fitness of the virus population and, thus, the outcome of infection. To investigate the effects of defective interfering genomes (DI) on wild-type (WT) poliovirus replication, we developed an ordinary differential equation model, which enables exploring the parameter space of the WT and DI competition. We also experimentally examined virus and DI replication kinetics during co-infection, and used these data to infer model parameters. Our model identifies, and our experimental measurements confirm, that the efficiencies of DI genome replication and encapsidation are two most critical parameters determining the outcome of WT replication. However, an equilibrium can be established which enables WT to replicate, albeit to reduced levels.

本文言語英語
論文番号e1009277
ジャーナルPLoS pathogens
17
9
DOI
出版ステータス出版済み - 9 2021

All Science Journal Classification (ASJC) codes

  • 寄生虫科
  • 微生物学
  • 免疫学
  • 分子生物学
  • 遺伝学
  • ウイルス学

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