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J Virol, February 1998, p. 1394-1402, Vol. 72, No. 2
Virology Group, Veterinary Infectious Disease
Organization, University of Saskatchewan, Saskatoon, Saskatchewan,
Canada S7N 5E3
Received 19 August 1997/Accepted 22 October 1997
The complete DNA sequence of bovine adenovirus type 3 is reported
here. The size of the genome is 34,446 bp in length with a G+C content
of 54%. All the genes of the early and late regions are present in the
expected locations of the genome. However, the late-region genes are
organized into seven families, instead of five as they are in human
adenovirus type 2. The deduced amino acid sequences of open reading
frames (ORFs) in the late regions and early region 2 (E2) and for IVa2
show higher degrees of homology, whereas the predicted amino acid
sequences of ORFs in the E1, E3, and E4 regions and the pIX, fiber, and
33,000-molecular-weight nonstructural proteins show little or no
homology with the corresponding proteins of other adenoviruses. In
addition, the penton base protein lacks the integrin binding motif,
RGD, but has an LDV motif instead of an MDV motif. Interestingly, as in
other animal adenoviruses, the virus-associated RNA genes appear to be
absent from their usual location. Sequence analysis of cDNA clones
representing the early- and late-region genes identified splice
acceptor and splice donor sites, polyadenylation signals and
polyadenylation sites, and tripartite leader sequences.
0022-538X/98/$04.00+0
Copyright © 1998, American Society for Microbiology. All rights reserved.
Nucleotide Sequence, Genome Organization, and
Transcription Map of Bovine Adenovirus Type 3

*
Corresponding author. Mailing address: VIDO, 120 Veterinary Rd., University of Saskatchewan, Saskatoon, Saskatchewan,
Canada S7N 5E3. Phone: (306) 966-7482. Fax: (306) 966-7478. E-mail:
Tikoo{at}Sask.Usask.CA.
Published as VIDO journal series no. 235.
Present address: National Veterinary Research Institute,
Anyang-si, Kyunggi-do, Korea.
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