Hepatopancreatic parvo-like virus (HPV) of Penaeus japonicus cultured in Australia

Spann, Kirsten; Adlard, R. D.; Hudson, Darryl; Pyecroft, Stephen; Jones, T. C.; Voigt, Matthias

doi:10.3354/dao031239

Cited by 25 publications

(22 citation statements)

References 6 publications

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“…HPV is now known to infect several wild and cultured penaeid species and is widely distributed in Asia, Africa, Australia, and North and South America (Flegel, 1997(Flegel, , 2006Flegel, Nielsen, Thamavit, Kongtim, & Pasharawipas, 2004;Flegel & Sriurairatana, 1993;Gangnonngiw et al, 2009;Manivannan, Otta, Karunasagar, & Karunasagar, 2002;Safeena, Rai, & Karunasagar, 2012;Spann et al, 1997). Mortalities associated with HPV infection during the larval stages in P. chinensis have been reported from Australia (Spann et al, 1997). Mortalities associated with HPV infection during the larval stages in P. chinensis have been reported from Australia (Spann et al, 1997).…”

Section: Hepatopancreatic Parvovirusmentioning

confidence: 99%

Biology, Genome Organization, and Evolution of Parvoviruses in Marine Shrimp

Dhar

Robles‐Sikisaka

Saksmerprome

et al. 2014

Advances in Virus Research

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Section: Hepatopancreatic Parvovirusmentioning

confidence: 99%

Biology, Genome Organization, and Evolution of Parvoviruses in Marine Shrimp

Dhar

Robles‐Sikisaka

Saksmerprome

et al. 2014

Advances in Virus Research

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“…HPV was reported to cause mortality in the early life stages of shrimp and to stunt growth at juvenile stages in grow-out ponds [4, 5]. In addition, HPV infection was suggested to slow down growth rates because of the observed negative correlation between HPV severity index and shrimp body length [2, 5].…”

Section: Introductionmentioning

confidence: 99%

Moderate heritability of hepatopancreatic parvovirus titre suggests a new option for selection against viral diseases in banana shrimp (Fenneropenaeus merguiensis) and other aquaculture species

et al. 2016

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BackgroundIn shrimp farming, major production losses are caused by viruses. Hepatopancreatic parvovirus (HPV) is one of the viral pathogens that infect banana shrimp (Fenneropenaeus merguiensis). HPV is thought to slow down growth and cause mortality in the juvenile stages of banana shrimp. Genetic improvement through selection of shrimp resistant to viral diseases is one approach to address this issue. This is the first detailed report on an aquaculture species that investigates whether viral titre varies among families and is heritable, and thus whether viral titre per se is a possible candidate trait for selection to produce resistant stock.ResultsHPV titre was measured by quantitative polymerase chain reaction of DNA extracted from 1137 offspring (from 48 full-sib families). Estimated heritability of HPV titre, based on the linear animal mixed model, was moderate (h2 = 0.41). Genetic correlations of HPV with body traits (weight, length and width of body, head and tail) ranged from −0.13 to −0.38. HPV titre was negatively correlated with raw and cooked body colour (−0.33 and −0.43, respectively).ConclusionsThis is the first study based on a large dataset that provides evidence that viral titre may have a genetic component in penaeid shrimp or even in any aquaculture species. The moderate heritability estimated for this trait suggests that resistance to HPV may be achieved by selecting for low HPV titre. With moderate and negative correlations, selection for resistance to HPV should gradually improve body traits and colour of banana shrimp.

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“…This virus has since been detected in a number of other penaeid species, both from cultured and wild stocks, around the world. It has been detected in shrimp from IndoPacific Africa, Australia, Asia, and the Middle East (Roubal et al 1989, Flegel et al 1992, Spann et al 1997.…”

Section: Introductionmentioning

confidence: 99%

Nucleotide sequence of a Madagascar hepatopancreatic parvovirus (HPV) and comparison of genetic variation among geographic isolates

2008

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A segment of Madagascar hepatopancreatic parvovirus (HPV) genomic sequence (5742 nucleotides) was determined through PCR and direct sequencing. This nucleotide sequence was compared to isolates from Australia, Thailand, Korea, and Tanzania, and the mean distance was determined to be 17%. The Madagascar HPV is closest to the Tanzania isolate (12%), followed by isolates from Korea (15%), Australia (17%) and Thailand (20%). Analysis of the genomic structure revealed that this HPV sequence is comprised of one partial Left open reading frame (ORF) (349 amino acids, aa) and complete Mid (578 aa) and Right (820 aa) ORFs. The amino acid sequences of the 3 ORFs were compared among isolates. The Right ORF was found to have the highest variation with a mean distance of 24%. This was followed by the Left and Mid ORF with distances of 13 and 7%, respectively. A phylogenetic analysis based on the amino acid sequence of the Right ORF divides 7 HPV isolates into 3 well-separated groups: Korea, Thailand, and Australia. The Madagascar HPV clustered with the Korea and Tanzania isolates. In Madagascar, HPV has been detected by histological examination since the 1990s. PCR analysis of a recent (2007) sampling showed a 100% prevalence. HPV was also detected in Mozambique with a 100% prevalence. High (95%) prevalence of HPV was found in wild Penaeus merguinesis collected from New Caledonia. These results indicate that HPV displays a high degree of genetic diversity and is distributed worldwide among populations of penaeid shrimp.

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Hepatopancreatic parvo-like virus (HPV) of Penaeus japonicus cultured in Australia

Cited by 25 publications

References 6 publications

Biology, Genome Organization, and Evolution of Parvoviruses in Marine Shrimp

Biology, Genome Organization, and Evolution of Parvoviruses in Marine Shrimp

Moderate heritability of hepatopancreatic parvovirus titre suggests a new option for selection against viral diseases in banana shrimp (Fenneropenaeus merguiensis) and other aquaculture species

Nucleotide sequence of a Madagascar hepatopancreatic parvovirus (HPV) and comparison of genetic variation among geographic isolates

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