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ICTV Virus Taxonomy Profile: Nimaviridae.
Han-Ching Wang1,2, Ikuo Hirono3, Mary Beth Bacano Maningas4
12International Center for the Scientific Development of Shrimp Aquaculture, National Cheng Kung University, Tainan, 701, Taiwan, ROC.
The Journal of General Virology
|March 30, 2019
Summary
White spot syndrome virus (WSSV) infects aquatic crustaceans, causing significant economic damage. This summary details the Nimaviridae family, focusing on WSSV
Area of Science:
- Virology
- Aquaculture Pathology
Background:
- The family Nimaviridae encompasses viruses infecting aquatic crustaceans.
- White spot syndrome virus (WSSV) is the sole species within this family.
- WSSV causes significant economic losses in aquaculture globally.
Purpose of the Study:
- To summarize the International Committee on Taxonomy of Viruses (ICTV) report on the family Nimaviridae.
- To provide an overview of the characteristics of WSSV.
Main Methods:
- Review and synthesis of the ICTV report on Nimaviridae.
- Characterization of virion morphology, genome structure, and protein composition of WSSV.
Main Results:
- WSSV virions are ellipsoid to bacilliform with a unique terminal extension.
- The virus possesses a large, circular dsDNA genome (280-307 kbp) with repeat regions.
- Over 80 structural and functional proteins have been identified from 531 open reading frames (ORFs).
Conclusions:
- WSSV is a highly lethal and contagious pathogen responsible for white spot disease in shrimp.
- The ICTV report provides a comprehensive taxonomic and descriptive overview of the Nimaviridae family.
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