Isolation of nodavirus from Scottish farmed halibut, <i>Hippoglossus hippoglossus</i> (L).

Starkey, W.; Ireland, J.; Muir, Katherine Fiona; Shinn, Andrew P.; Richards, R. H.; Ferguson, H. W.

doi:10.1046/j.1365-2761.2000.00254.x

Cited by 22 publications

(17 citation statements)

References 10 publications

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“…This taxonomy has been used to genetically characterized new isolates in various fish species as well as in different areas (Aspehaug, Devold & Nylund ; Starkey et al . ; Dalla Valle et al . ; Skliris et al .…”

Section: Nervous Necrosis Virusmentioning

confidence: 99%

Viral encephalopathy and retinopathy in aquaculture: a review

Doan

Vandeputte

Chatain

et al. 2016

Journal of Fish Diseases

134

115

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Viral encephalopathy and retinopathy (VER), otherwise known as viral nervous necrosis (VNN), is a major devastating threat for aquatic animals. Betanodaviruses have been isolated in at least 70 aquatic animal species in marine and in freshwater environments throughout the world, with the notable exception of South America. In this review, the main features of betanodavirus, including its diversity, its distribution and its transmission modes in fish, are firstly presented. Then, the existing diagnosis and detection methods, as well as the different control procedures of this disease, are reviewed. Finally, the potential of selective breeding, including both conventional and genomic selection, as an opportunity to obtain resistant commercial populations, is examined.

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Section: Nervous Necrosis Virusmentioning

confidence: 99%

Viral encephalopathy and retinopathy in aquaculture: a review

Doan

Vandeputte

Chatain

et al. 2016

Journal of Fish Diseases

134

115

View full text Add to dashboard Cite

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“…This classification is currently used to genotype new isolates in different countries (Aspehaug et al, 1999;Starkey et al, 2000;Dalla Valle et al, 2001;Skliris et al, 2001;Johnson et al, 2002;Chi et al, 2003;Gagné et al, 2004;Johansen et al, 2004). A different nomenclature for the genotypes was proposed by Thiéry et al (2004), with the groups named I, II, III and IV corresponding to RGNNV, BFNNV, TPNNV and SJNNV types, respectively.…”

Section: Introductionmentioning

confidence: 99%

Comparative analysis of both genomic segments of betanodaviruses isolated from epizootic outbreaks in farmed fish species provides evidence for genetic reassortment

Olveira

Souto

Dopazo

et al. 2009

Journal of General Virology

115

154

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Sequencing of the full coding region of both genomic segments of seven betanodavirus strains isolated from different farmed species in Spain and Portugal revealed that six were reassortants, exhibiting a red-spotted grouper nervous necrosis virus (RGNNV)-type RNA1 and a striped jack nervous necrosis virus (SJNNV)-type RNA2. Analysis of sequences of reassortant strains at both the genomic and protein levels revealed the existence of differences compared with type strains of both genotypes. These differences were greater in the polymerase sequence, which is remarkable because viral structural proteins generally diverge more rapidly than non-structural proteins. Changes in two amino acids observed in the SJNNV capsid protein might be involved in the colonization of new host species by these reassortant strains. In addition, a more extensive phylogenetic analysis, including partial sequences of both RNA segments of 16 other Iberian nodaviruses, confirmed the existence of reassortment between RGNNV and SJNNV.

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“…The virus is recorded from over 40 fish species covering different geographic locations. Since then several aspects of VNN have been reported (Yoshikoshi and Inoue, 1990;Mori et al, 1992;Comps et al, 1996;Munday and Nakai, 1997;Nishizawa et al, 1997;Castric et al, 2001;Starkey et al, 2000Starkey et al, , 2001Breuil et al, 2001;Johansen et al, 2003Johansen et al, , 2004Azad et al, 2005). Glazebrook et al (1990) accounted for the first report of picorna-like viruses affecting the Asian sea bass or barramundi.…”

Section: Introductionmentioning

confidence: 99%

Immunolocalisation of nervous necrosis virus indicates vertical transmission in hatchery produced Asian sea bass (Lates calcarifer Bloch)—A case study

et al. 2006

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A probable vertical mode of piscine nodavirus transmission is reported in the present investigation based on a case of nodavirus associated larval mortalities in hatchery produced Asian sea bass. Polyclonal rabbit anti-SJNNV antibodies (SGWak97) detected the viral antigens in the tissue sections from the eggs and the larvae at different time intervals from À 1 to 42 days post hatch (dph). Immunopositive ovarian connective tissue associated with the oocytes along with the progressive localization of the viral antigens in the brain, spinal cord, liver, stomach and dermal musculature during the larval development indicates a probable vertical transmission of nodavirus in the Asian sea bass. The surviving larger larvae, from the batch suffering mass mortalities, produced very intense immunofluorescent positivity in the liver, stomach and dermal musculature. Results of this investigation demonstrating a possibility of vertical transmission of the nodavirus emphasize the need for screening of eggs and larvae for evolving suitable preventive and prophylactic health management strategies. D

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Isolation of nodavirus from Scottish farmed halibut, Hippoglossus hippoglossus (L).

Cited by 22 publications

References 10 publications

Viral encephalopathy and retinopathy in aquaculture: a review

Viral encephalopathy and retinopathy in aquaculture: a review

Comparative analysis of both genomic segments of betanodaviruses isolated from epizootic outbreaks in farmed fish species provides evidence for genetic reassortment

Immunolocalisation of nervous necrosis virus indicates vertical transmission in hatchery produced Asian sea bass (Lates calcarifer Bloch)—A case study

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