Ubiquitination Is Required for Effective Replication of Coxsackievirus B3 CVB3 and Ubiquitination
2008

Ubiquitination and Coxsackievirus B3 Replication

publication Evidence: moderate

Author Information

Author(s): Si Xiaoning, Gao Guang, Wong Jerry, Wang Yahong, Zhang Jingchun, Luo Honglin

Primary Institution: The James Hogg iCAPTURE Centre for Cardiovascular and Pulmonary Research, University of British Columbia

Hypothesis

The study investigates the role of ubiquitination in the replication of Coxsackievirus B3 (CVB3).

Conclusion

Coxsackievirus infection promotes protein ubiquitination, which is essential for effective viral replication.

Supporting Evidence

  • Proteasome inhibition decreased CVB3 RNA replication and viral titers in HeLa cells.
  • Gene-silencing of ubiquitin significantly reduced viral titers.
  • Coxsackieviral polymerase 3D was modified by ubiquitination, which is essential for its function.

Takeaway

When a virus called Coxsackievirus B3 infects cells, it makes a process called ubiquitination happen more, which helps the virus make more copies of itself.

Methodology

The study used HeLa cells to assess the effects of proteasome inhibitors and gene-silencing of ubiquitin on CVB3 replication.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0002585

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