한국수산과학회

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  • 0374-8111
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  • 2287-8815

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kfas, vol. 54, no. 5, pp.698-702, October, 2021
DOI. https://doi.org/10.5657/KFAS.2021.0698

Phylogenetic Characteristics of Yellow Head Virus (YHV) Genotype 8
Isolated from Fenneropenaeus chinensis in Korea
자연산 대하(Fenneropenaeus chinensis)에서 검출된 노랑머리 바이러스
Genotype 8의 계통분류학적 특성

장광일·김보성·오윤경·황지연·권문경·김수미*
국립수산물품질관리원 수산방역과

Yellow head virus (YHV) is a rod-shaped positive-sense single-stranded RNA virus, classified into the genus Okavirus,
family Roniviridae, and order Nidovirales. In this study, 200 fleshy prawns (Fenneropenaeus chinensis) collected
from the vicinity of Narodo in Goheung-gun, Korea, were screened for the presence of yellow head complex viruses
and related genotype such as YHV genotype 8. The detection rate of YHV genotype 8 among the 200 fleshy prawns,
determined using nested RT-PCR (reverse transcription polymerase chain reation), was 39.0%. Phylogenetic analysis
of the ORF1b gene of YHV showed that eight distinct genetic lineages were detected. The four strains of YHV
genotype 8 obtained in this study formed a robust clade with the YHV genotype 8 group that was first isolated from
fleshy prawns in China suspected to have acute hepatopancreatic necrosis disease (AHPND).

Keyword : Fenneropenaeus chinensis, Yellow head disease (YHD), Yellow head virus (YHV) genotype 8, Phylogenetic analysis

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