Identification and characterization of a new E3 ubiquitin ligase in white spot syndrome virus involved in virus latency
2008

New E3 Ubiquitin Ligase in White Spot Syndrome Virus

Sample size: 8 publication 10 minutes Evidence: moderate

Author Information

Author(s): He Fang, Kwang Jimmy

Primary Institution: Temasek Life Sciences Laboratory, National University of Singapore

Hypothesis

WSSV403 functions as a viral E3 ligase involved in the regulation of latency in white spot syndrome virus.

Conclusion

WSSV403 is identified as a new viral E3 ubiquitin ligase that regulates the latency state of the white spot syndrome virus.

Supporting Evidence

  • WSSV403 can ubiquitinate itself in vitro, indicating its function as a viral E3 ligase.
  • Transcription of WSSV403 was detected in both WSSV-infected and normal shrimp, suggesting its role in latency.
  • WSSV403 interacts with a shrimp protein phosphatase, indicating a potential regulatory mechanism in latency.

Takeaway

Scientists found a new protein in a virus that affects shrimp, which helps the virus stay hidden in the shrimp without making them sick.

Methodology

The study used RT-PCR, real-time PCR, yeast two-hybrid assays, and pull-down assays to investigate the function of WSSV403.

Limitations

The study primarily focused on a single viral protein and its interactions, which may not encompass the full complexity of WSSV latency.

Participant Demographics

Healthy adult P. vannamei shrimp were used in the experiments.

Digital Object Identifier (DOI)

10.1186/1743-422X-5-151

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