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| Content Provider | Springer Nature Link |
|---|---|
| Author | Rai, Praveen Safeena, Muhammed P. Krabsetsve, Kjersti La Fauce, Kathy Owens, Leigh Karunasagar, Indrani |
| Copyright Year | 2012 |
| Abstract | Infectious hypodermal and hematopoietic necrosis virus (IHHNV) is one of the major viral pathogens of penaeid shrimps worldwide, which has resulted in severe mortalities of up to 90 % in cultured Penaeus (Litopenaeus) stylirostris from Hawaii and hence designated Penaeus stylirostris densovirus (PstDNV). IHHNV is distributed in shrimp culture facilities worldwide. It causes large economic loss to the shrimp farming industry. Our knowledge about the natural reservoirs of IHHNV is still scarce. Recent studies suggest that there is sufficient sequence variation among the isolates from different locations in Asia, suggesting multiple geographical strains of the virus. Four complete genomes and several partial sequences of the virus are available in the GenBank. Complete genome information would be useful for assessing the specificity of diagnostics for viruses from different geographical areas. Comparisons of complete genome sequences will help us gain insights into point mutations that can affect virulence of the virus. In addition, because of unavailability of shrimp cell lines for culturing IHHNV in vitro, quantification of virus is difficult. The recent progress in research regarding clinical signs, geographical distribution, complete genome sequence and genetic variation, transmission has made it possible to obtain information on IHHNV. A comprehensive understanding of IHHNV infection process, pathogenesis, structural proteins and replication is essential for developing prevention measures. To date, no effective prophylactic measure for IHHNV infection is available for shrimp to reduce its impact. This review provides an overview of key issues regarding IHHNV infection and disease in commercially important shrimp species. |
| Starting Page | 203 |
| Ending Page | 214 |
| Page Count | 12 |
| File Format | |
| ISSN | 09702822 |
| Journal | VirusDisease |
| Volume Number | 23 |
| Issue Number | 2 |
| e-ISSN | 09740120 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2012-08-28 |
| Publisher Place | India |
| Access Restriction | Subscribed |
| Subject Keyword | IHHNV PstDNV Virus Genetic diversity Diagnosis Shrimp Penaeus PCR Life Sciences Microbiology Biochemistry Cell Biology Protein Structure |
| Content Type | Text |
| Resource Type | Article |
| Subject | Infectious Diseases Virology |
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