Over expression of Recombinant CP3 Protein of Rice Tungro Spherical Virus in Prokaryotic Expression System

Yee, Siew Fung and Chu, Chia Huey and Henry Sum, Magdline Sia (2014) Over expression of Recombinant CP3 Protein of Rice Tungro Spherical Virus in Prokaryotic Expression System. Bioremediation Science & Technology Research, 2 (2). pp. 38-42. ISSN e-ISSN 2289-5892

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Abstract

Currently, serological based diagnosis of rice tungro disease (RTD) is being limited by the availability of antisera. This study aims to produce recombinant protein from the coat protein (CP)3 of rice tungro spherical virus (RTSV) as a potential antigen in producing high titre antibodies for use in detection of RTD. Amplified RTSV CP3 gene of approximately 900 bp was cloned into pETSUMO vector. The recombinant plasmid was transformed into cloning host Mach1™-T1® E.coli cells and screened for recombinant gene in the correct orientation. Plasmid DNA from positive transformants was isolated and transformed into expression host BL21 (DE3) E.coli cells. One positive clone was selected for large scale expression where the expressed protein was purified and analysed by SDS-PAGE and Western blot. This recombinant RTSV CP3 protein, 46 kDa in molecular mass with 6x His-tag and SUMO protein fused to its N-terminal, was found to be antigenic when it reacted with our in-house generated polyclonal antibodies against tungro viruses.

Item Type: Article
Uncontrolled Keywords: RTSV, CP3, recombinant protein, polyclonal, antibodies, unimas, university, universiti, Borneo, Malaysia, Sarawak, Kuching, Samarahan, ipta, education, research, Universiti Malaysia Sarawak
Subjects: Q Science > Q Science (General)
Q Science > QR Microbiology > QR355 Virology
S Agriculture > S Agriculture (General)
Divisions: Academic Faculties, Institutes and Centres > Institute of Health and Community Medicine
Depositing User: Ramji
Date Deposited: 01 Mar 2016 02:14
Last Modified: 01 Mar 2016 02:25
URI: http://ir.unimas.my/id/eprint/10668

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