Objective: A strain of replication deficient recombinant adenvirus encoding fusion glycoprotein (F) of subgroup A human respiratory syncytial virus (RSV) was constructed and the expression of F was identified.
Methods: The F gene was obtained from pGEM3zf-F with Xho I and Hind III, cloned into adenoviruse shuttle vector pShuttle-CMV,and then the resulting pShuttle-CMV/F was transformed into E. coli BJ5183/p with pAdeasy-1 to produce pre-adenoviral plasmid encoding F by homologous recombination. This resultant plasmid was linearized by digestion with Pac I and transfected into 293 packaging cells to generate FGAd-F. Finally, the expression of F protein was identified by Western Blot analysis.
Results: FGAd/F was successfully constructed, and the expression of RSV F protein was identified by Western Blot.
Conclusion: We have obtained a strain of replication-defective adenovirus FGAd/F encoding RSV F protein, which can be used further to investigate its protective efficacy against RSV infection in vivo.
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