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KMID : 0359319950350040743
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Korean Journal of Veterinary Research
1995 Volume.35 No. 4 p.743 ~ p.752
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Studies on isolation of rhinopneumonitis virus from Korean horses and its immunogenicity II. Studies on characters and immunogenicity of equine herpesvirus
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Cho Gil-Jae
Kim Bong-Hwan
Lee Du-Sik
Oh Moon-You
Ko Mi-Hee
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Abstract
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The study was carried out to characterize the properties of Korean isolates of EHV from aborted fetuses and determine envelope protein profiles. The results obtained were summarized as follows; 1. Two strains of EHV was isolated from 2 liver samples among 10 aborted fetuses from which the virus isolation was attempted. 2. Morphological and some enzymatic properties of the Korean isolates of EHV which was designated as LC1 and LC2 was identical to those of a reference strain of Australia-N of EHV-1. The Korean isolates of EHV could be propagated on ED cell culture and they formed typical plaques 1 to 2 days after infection in the ED cells from which typical cuboidal particles of 150~170 nm diameter herpesvirus were observed. The virus could be detected specifically from neucleus and cytoplasm of infected cells by flourescent antibody technique using FITC labelled anti-Aust IV(EHV-1) antiserum. The Korean isolates, LC1 and LC2 were specifically neutralized by anti Aust IV antiserum and reacted positively to CELISA. 3. The structural polypeptides of purified enveloped virions of LC1 and LC2 isolates of EHV were determined by SDS-polyacrylamide gel electrophoresis to identify the envelope glycoproteins. LC1 and LC2 revealed 14 glycoproteins ranging in molecular weight from 190 kD to 31 kD while 17 structural proteins of Aust IV(EHV-1), of which 14 were identical to those of LC1 and LC2 identified. Upon immunoblotting by rabbit antiserum against EHV isolates and EHV-1(Aust IV), 4 immunogenic proteins of LC1 and LC2 were 135 kD, 88 kD, 64 kD and 59 kD, of which 135 kD, 88 kD and 64 kD proteins were also found in Aust IV(EHV-1).
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KEYWORD
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equine herpesvirus , aborted fetus , CELISA , Aust IV
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