Journal article
Nucleotide sequence analysis of Jembrana disease virus: a bovine lentivirus associated with an acute disease syndrome
Journal of General Virology, Vol.76(7), pp.1637-1650
1995
Abstract
The complete nucleotide sequence of the RNA genome of Jembrana disease virus (JDV), a lentivirus that causes an acute disease syndrome in Bali cattle (Bos javanicus), is reported. In addition to the gag, pol and env genes and flanking long terminal repeats (LTRs) that characterize all retroviruses, a number of accessory genes represented by small multiply spliced ORFs in the central and 3′-terminal regions of the genome, including tat and rev that are typical of lentiviruses, were identified. The genome of JDV was 7732 bp in length, 750 bp smaller than the genome of bovine immunodeficiency virus (BIV) strain BIV127. A striking feature of the genome was the many deletions relative to BIV127, the largest of which were 471 bp from the env gene and 157 bp from the U3 (promoter) region in the LTR. There were also several insertions of up to 33 bp in the JDV genome relative to BIV127 found in the env gene and small ORFs that overlap env. Other significant genomic differences between JDV and BIV127 included changes to cis-acting sequences throughout the genome such as promoter and enhancer sequences in the LTR, the trans-activation response region, splice sites and frameshift sequences; alterations to the gag precursor protein cleavage sites and thus the processed products; loss of the vpw and vpy ORFs; and amino acid changes in all coding regions. The significance of these changes is discussed in relation to the differences in pathogenicity between JDV and BIV.
Details
- Title
- Nucleotide sequence analysis of Jembrana disease virus: a bovine lentivirus associated with an acute disease syndrome
- Authors/Creators
- B.J. Chadwick (Author/Creator) - Murdoch UniversityR.J. Coelen (Author/Creator)G.E. Wilcox (Author/Creator)L.M. Sammels (Author/Creator)G. Kertayadnya (Author/Creator)
- Publication Details
- Journal of General Virology, Vol.76(7), pp.1637-1650
- Publisher
- Society for General Microbiology
- Identifiers
- 991005540060907891
- Copyright
- © 1995 SGM
- Murdoch Affiliation
- School of Veterinary Studies
- Language
- English
- Resource Type
- Journal article
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