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논문 기본 정보

자료유형
학술저널
저자정보
Sung Oh (Pai Chai University)
저널정보
한국양봉학회 Journal of Apiculture Journal of Apiculture Vol.34 No.2
발행연도
2019.6
수록면
149 - 156 (8page)
DOI
10.17519/apiculture.2019.06.34.2.149

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초록· 키워드

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In Korea, sacbrood virus infecting Apis cerana (AcSBV) is a small RNA virus belonging to the family Iflaviridae. AcSBV causes larval death, and even the collapse of entire bee colonies and its viral capsid is composed of four structural proteins (VP1, VP2, VP3 and VP4). In this study, we synthesized VP3 gene based on genomic sequences to insert into a His-tag expression plasmid of pET-28a. The resultant recombinant vector was then transformed into Escherichia coli BL21 (DE3) to express the recombinant VP3 protein (rVP3). The rVP3 protein was strongly expressed in an insoluble fraction, with a molecular size of around 26 kDa. Purification of the rVP3 protein using an affinity Ni-NTA resin, followed by SDS-PAGE separation, resulted in a high purity of the protein and used as an antigen to raise the polyclonal antibodies. Mice were then immunized with the purified rVP3 protein and the antiserum collected at 4<SUP>th</SUP> week and 6<SUP>th</SUP> week was able to detect the rVP3 at a concentration of 500 ng and 250 ng. Furthermore, IgG antibody levels reacted with wild-type larva crude protein extract, AcSBV-infected larva crude protein extracts and rVP3 protein were quantitatively analyzed by ELISA and qualitatively analyzed by western blotting. This is the first report on production of polyclonal antibodies directed against the rVP3 protein of AcSBV and its use for detection and diagnosis of virus from field samples.

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Abstract
INTRODUCTION
MATERIALS AND METHODS
RESULTS AND DISCUSSION
LITERATURE CITED

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UCI(KEPA) : I410-ECN-0101-2019-527-000882038