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Characterization of Trichomonas vaginalis virus proteins in the pathogenic protozoan T. vaginalis

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The 4.6-kb double-stranded (ds) RNA of Trichomonas vaginalis virus (TVV)-T1 has been shown to encode two overlapping genes, cap and pol. In this study, a serum for specifically detecting viral cap gene product was raised against a recombinant protein, and sera for specifically detecting pol gene product were raised against synthetic oligopeptides. A 75-kDa major protein and a 160-kDa minor protein were detected by anti-CAP serum in a TVV-T1 sample, indicating that the 75-kDa protein is the viral capsid protein. The 160-kDa protein alone was also detected by two distinct anti-POL sera, indicating that the pol gene is expressed as a CAP-POL fusion protein. These results suggest that the TVV-T1 genome is arranged into a cap-pol organization in a manner similar to that of viruses in family Totiviridae.

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Accepted December 12, 1997 Received September 8, 1997

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Liu, HW., Chu, Y.D. & Tai, JH. Characterization of Trichomonas vaginalis virus proteins in the pathogenic protozoan T. vaginalis. Arch. Virol. 143, 963–970 (1998). https://doi.org/10.1007/s007050050345

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  • DOI: https://doi.org/10.1007/s007050050345

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