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New Microbiol. 1995 Apr;18(2):117-25.

Development of a yeast retrotransposon-based system useful for screening of potentially active anti-retroviral compounds.

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Istituto di Microbiologia, Università Cattolica del S. Cuore, Rome, Italy.


We have developed a new system suitable for easy inexpensive screening of substances potentially active against HIV and other retroviruses. The system evaluates the ability of substances to inhibit the high-frequency induced retrotransposition of the yeast transposable element Ty917, and is based on an engineered version of the retrotransposon which carries a dominant selectable marker useful for scoring transposition events. The system performance was evaluated using two nucleoside analogues of proved anti-HIV activity, 3'-azido-3'deoxythymidine (AZT) and 2',3'-dideoxycytidine (ddC). Both substances were able to inhibit Ty917 transposition and could have been detected as potentially active antiretroviral drugs using the new screening system.

[Indexed for MEDLINE]

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