Phylogenetic analysis of betanodavirus isolates from Australian finfish

Diseases of Aquatic Organisms
N J G MoodyH J Oakey

Abstract

In Australia, disease caused by betanodavirus has been reported in an increasing number of cultured finfish since the first report of mortalities in 1990. Partial coat protein gene sequences from the T2 or T4 regions of 8 betanodaviruses from barramundi Lates calcarifer, sleepy cod Oxyeleotris lineolata, striped trumpeter Latris lineata, barramundi cod Cromileptes altivelis, Australian bass Macquaria novemaculata and gold-spotted rockcod Epinephelus coioides from several Australian states were determined. Analysis of the 606 bp nucleotide sequences of the T2 region of 4 isolates demonstrated the close relationship with isolates from the red-spotted grouper nervous necrosis virus (RGNNV) genotype and the Cluster Ia subtype. Comparison of a smaller 289 bp sequence from the T4 region identified 2 distinct groupings of the Australian isolates within the RGNNV genotype. Isolates from barramundi from the Northern Territory, barramundi, sleepy cod, barramundi cod and gold-spotted rockcod from Queensland, and striped trumpeter from Tasmania shared a 96.2 to 99.7% nucleotide identity with each other. These isolates were most similar to the RGNNV genotype Cluster Ia. Isolates from Australian bass from New South Wales and from barramundi ...Continue Reading

Citations

Feb 6, 2013·ILAR Journal·Marcus J Crim, Lela K Riley
Dec 14, 2011·Viruses·Mark Crane, Alex Hyatt
Nov 5, 2011·Veterinary Microbiology·Julian Ransangan, Benny Obrain Manin
Oct 24, 2015·Virus Research·Latif ReshiJiann-Ruey Hong
Nov 1, 2011·Infection, Genetics and Evolution : Journal of Molecular Epidemiology and Evolutionary Genetics in Infectious Diseases·Valentina PanzarinGiovanni Cattoli
Sep 13, 2011·Journal of Veterinary Diagnostic Investigation : Official Publication of the American Association of Veterinary Laboratory Diagnosticians, Inc·Paul HickRichard J Whittington
Feb 14, 2020·Pathogens·Isabel Bandín, Sandra Souto
May 23, 2020·Developmental and Comparative Immunology·Jingguang WeiQiwei Qin
Nov 16, 2021·Journal of Fish Diseases·Yifan WangYucong Huang

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