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Sensitive and specific detection of bovine immunodeficiency virus and bovine syncytial virus by 5′ Taq nuclease assays with fluorescent 3′ minor groove binder-DNA probes

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Lew, A. E., Bock, R. E., Miles, J., Cuttell, L. B., Steer, P. and Nadin-Davis, S. A. (2004) Sensitive and specific detection of bovine immunodeficiency virus and bovine syncytial virus by 5′ Taq nuclease assays with fluorescent 3′ minor groove binder-DNA probes. Journal of Virological Methods, 116 (1). pp. 1-9. ISSN 0166-0934

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Article Link: https://doi.org/10.1016/j.jviromet.2003.10.006

Abstract

Sensitive assays are required to detect bovine retroviruses in donor cattle used for the in vivo preparation of Australian tick fever vaccines. 5′ Taq nuclease assays using 3′ minor groove binder DNA probes (TaqMan®MGB) were developed and compared to conventional PCR assays for the sensitive detection of bovine syncytial virus (BSV) and bovine immunodeficiency virus (BIV). Seven beef and dairy herds were screened to evaluate these tests. Comparative sensitivities of PCR tests were determined by testing log10 dilutions of plasmids with inserts containing corresponding provirus sequences. Published PCR assays targeting BIV env sequences did not adequately amplify Australian BIV sequences. Pol sequences from Australian strains of BIV and BSV were used to design TaqMan®MGB assays, which improved sensitivity 10-fold (BIV) and 100-fold (BSV), respectively, over conventional PCR tests. This is the first report of Australian sequences of BIV and BSV and the first 5′ Taq nuclease assays described to detect these viruses. These methods could be applied to future studies requiring sensitive detection of these two bovine retroviruses.

Item Type:Article
Subjects:Veterinary medicine > Veterinary virology
Veterinary medicine > Diseases of special classes of animals > Cattle
Live Archive:01 Feb 2024 01:29
Last Modified:01 Feb 2024 01:29

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