Construction of white spot syndrome virus (WSSV) whole genome phage display library |
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Authors: | ZHU Yanbing and YANG Feng |
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Affiliation: | 1.School of Biotechnology, Jimei University, Xiamen 361005, China2.Third Institute of Oceanography, State Oceanic Administration, Xiamen 361005, China |
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Abstract: | A rebuilt vector pCANTAB 5 EE was obtained by inserting a 34 bp double-stranded oligonucleotide which contained a EcoRV recognition sequence into pCANTAB 5 E. White spot syndrome virus (WSSV) genome DNA was fragmented by sonication to isolate fragments mainly in the range of 0.8 ~2.0 kb, then the fragments were blunt-ended with T4 DNA polymerase and cloned into the EcoRV site of pCANTAB 5 EE. The primary recombinant clone of the library was 3.0 × 105.Colony PCR of random selected recombinants showed that the size of the inserts was 0.12 ~ 1.77 kb. After the whole library recombinant phages infected Escherichia coli HB2151 cells, the extracellular and periplasmic extracts were dropped on PVDF membranes to perform dot blot, using polyclonal mouse anti-VP24 serum,anti-WSV026 serum,anti-WSV063 serum,anti-WSV069 serum,anti-WSV112 serum, anti WSV238 serum,anti-WSV303 serum and anti-VP26 serum as the primary antibody, respectively. The results showed that the display library could express the viral proteins. |
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Keywords: | white spot syndrome virus genome phage display library dot blot |
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