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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

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Eichinger, D.J. et al.

The DNA intermediate in yeast Ty1 element transposition copurifies with virus-like particles: cell-free Ty1 transposition.

Yeast Ty1 elements are retrotransposons that transpose via an RNA intermediate found in a virus-like particle (Ty-VLP). A Ty-encoded reverse transcriptase activity found inside the particles is capable of giving rise to full-length reverse transcripts. The predominant form of these reverse transcripts is a full-length linear duplex DNA. We have developed a cell-free system for transposition of Ty1 DNA molecules into a bacteriophage lambda target. Purified Ty-VLPs and target DNA are the only macromolecular components required for the transposition reaction. A TYB-encoded protein, p90-TYB, contains amino acid sequences that are similar to those of retroviral integrase proteins. Mutations in the integrase coding region abolish transposition both in vivo and in vitro.[1]

References

The DNA intermediate in yeast Ty1 element transposition copurifies with virus-like particles: cell-free Ty1 transposition. Eichinger, D.J., Boeke, J.D. Cell (1988) [Pubmed]

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