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KMID : 0359320180580010045
Korean Journal of Veterinary Research
2018 Volume.58 No. 1 p.45 ~ p.49
Detection and characterization of avian hepatitis E virus from broiler breeders and layers in Korea
Moon Hyun-Woo

Sung Haan-Woo
Kwon Hyuk-Moo
Abstract
The helicase genes and hypervariable regions (HVRs) of three avian hepatitis E viruses (HEVs) detected at three different farms were sequenced and characterized. Two isolates (DW-L and GI-B2) were classified as genotype 2 and one isolate (GR-B) was classified as genotype 1. A phylogenetic tree, based on the helicase gene and HVR nucleotide sequences, revealed the newly detected viruses and other avian HEVs were classified similarly. Unlike previously reported avian HEVs, the DW-L isolate detected in broiler breeders with characteristic lesions of avian HEV had no prolinerich motif in its HVR, suggesting that the proline-rich motif is non-essential for viral replication and infection.
KEYWORD
avian hepatitis E virus, helicase gene, hypervariable region, sequences
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학술진흥재단(KCI)