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  • Title: [PCR-based detection of proviral DNA of bovine immunodeficiency virus].
    Author: Limanskaia O, Rola M, Bicka L, Kuzmak J, Limanskiĭ A.
    Journal: Vopr Virusol; 2005; 50(2):38-43. PubMed ID: 15881397.
    Abstract:
    A set of primers was developed to detect by polymerase chain reaction (PCR) the proviral DNA of bovine immunodeficiency virus (BIV). A short fragment of 101 bp BIV gene was selected as a target for primers; sequences of proviral DNA isolated from both a cell culture with BIV and from lymphocytes of an experimentally infected animal were known for the fragment. An amplicon of an expected size was detected by standard PCR in a transformed cell series of bovine testicles with Florida 112 BIV DNA, and in a plasmid DNA with a cloned proviral DNA of R29 BIV. Described in the paper are the results of a theoretical comparison of primers used in the detection of BIV by PCR. The presence of non-complementary nucleotides in the set of "primer-single stranded amplicon" was shown to bring about false positive results in the detection of BIV by PCR. No 1500 bp PCR product was detected after PCR with a synthesized pair of primers and with 100% homology for all known BIV isolates complementary to env gene. Finally, the issue of how to detectVIR in clinical samples obtained from experimentally and naturally infected is discussed.
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