Abstract
The RNA genome of the cytopathic NADL isolate of bovine viral diarrhea virus (BVDV) has been molecularly cloned and the nucleotide sequence determined. The cloned sequence was 12,573 nucleotides in length, corresponding to a molecular weight of 4.3 × 10 6, having a base composition of 32.2% A, 25.7% G, 22.1 % U, and 20.0% C. However, the sequences at the 5′ and 3′ termini of the RNA have not been unequivocally established. A single major open reading frame extending the length of the molecule was found in the viral-sense (positive polarity) sequence. This open reading frame was capable of encoding 3988 amino acids, representing 449 kDa of protein.
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