Efficient rescue of infectious bursal disease virus using a simplified RNA polymerase II-based reverse genetics strategy

Efficient rescue of infectious bursal disease virus using a simplified RNA polymerase II-based... We describe a simplified RNA polymerase II-based reverse genetics approach that allows for the efficient rescue of high-titer infectious bursal disease virus (IBDV) from cloned cDNAs of genomic segments A and B. Unlike the previously reported RNA polymerase II-based methods, the developed strategy does not necessitate the introduction of a ribozyme sequence at both ends of the genomic cDNA sequences. This was achieved by fusing the 5′ terminal sequence of the cDNA of each segment to the transcription start site of the immediate early cytomegalovirus promoter, while a ribozyme sequence was only introduced at the 3′ end. Using this strategy, and without complementing with IBDV structural proteins, titers as high as 10 11 tissue culture infectious dose 50 were reproducibly obtained in chicken embryo fibroblast cells immediately upon co-transfection with cDNAs of both segments. We anticipate that this modification could improve reverse genetics for any other RNA virus and may be beneficial for vaccine development and dissection of the viral life cycle. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Efficient rescue of infectious bursal disease virus using a simplified RNA polymerase II-based reverse genetics strategy

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Publisher
Springer Vienna
Copyright
Copyright © 2008 by Springer-Verlag
Subject
Biomedicine; Infectious Diseases; Medical Microbiology ; Virology
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-008-0080-3
Publisher site
See Article on Publisher Site

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