White spot syndrome virus genes (WSSV genes)

White spot syndrome virus (WSSV) genes constitute the large, double-stranded DNA genome of the sole member of the genus Whispovirus within the family Nimaviridae (ICTV, 2023). These genes are responsible for the extreme virulence and rapid replication of the virus, which causes White Spot Syndrome (WSS), a devastating disease in penaeid shrimp and other crustaceans that can lead to 100% mortality within days (NCBI, 2024). The genome encodes approximately 180 open reading frames, with primary therapeutic targets including structural proteins like VP28 and VP19, which are essential for viral attachment and entry into host cells (Yi et al., 2004; PubMed). Other critical targets include non-structural genes involved in DNA synthesis, such as DNA polymerase and ribonucleotide reductase (Van Hulten et al., 2001). Current experimental strategies focus on silencing these genes using RNA interference (RNAi) or inducing protective immunity through DNA and recombinant protein vaccines (Robalino et al., 2005; Rout et al., 2007). While no commercial drugs are currently approved for human use, these genetic sequences are the central focus of biosecurity and antiviral research in the global aquaculture industry.

Other names

White spot syndrome virus genomeWSSV open reading framesWhite spot baculiform virus genesNimaviridae genes

Inhibition of viral replication through RNA interference (RNAi) mediated gene silencing, blocking of viral entry by neutralizing structural proteins with antibodies or competitive inhibitors, and induction of host innate antiviral immunity through vaccination.