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J Virol Methods. 2000 Jan;84(1):49-58.

Generation of full-length cDNA of the two genomic dsRNA segments of infectious bursal disease virus.

Author information

1
Institute for Animal Science and Health, Department of Avian Virology, Lelystad, Netherlands.

Abstract

To determine the complete nucleotide sequence of Infectious Bursal Disease virus (IBDV) isolates, an efficient method was developed to generate full-length cDNA of both the genomic A- and B-segments. Reverse transcription was carried out at the highest possible temperature (50 degrees C) for the reverse transcriptase enzyme, and the single stranded cDNA was subsequently amplified by using an optimized PCR. The double stranded, full-length cDNA was efficiently cloned into a high copy number plasmid. Our results show that the entire cDNA of both the A- and B-segment of a classical attenuated isolate (CEF94), and a very virulent field isolate (D6948), can be cloned. The method will simplify greatly the procedure to generate full-length cDNA and determine the nucleotide sequence of the entire genome of IBDV isolates.

PMID:
10644086
DOI:
10.1016/s0166-0934(99)00132-9
[Indexed for MEDLINE]

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