|Citation||Bellaiche, Y., Mogila, V., Perrimon, N. (1999). I-SceI endonuclease, a new tool for studying DNA double-strand break repair mechanisms in Drosophila. Genetics 152(3): 1037--1044. (Export to RIS)|
|Publication Type||Research paper|
|PubMed Abstract||As a step toward the development of a homologous recombination system in Drosophila, we have developed a methodology to target double-strand breaks (DSBs) to a specific position in the Drosophila genome. This method uses the mitochondrial endonuclease I-SceI that recognizes and cuts an 18-bp restriction site. We find that >6% of the progeny derived from males that carry a marker gene bordered by two I-SceI sites and that express I-SceI in their germ line lose the marker gene. Southern blot analysis and sequencing of the regions surrounding the I-SceI sites revealed that in the majority of the cases, the introduction of DSBs at the I-SceI sites resulted in the complete deletion of the marker gene; the other events were associated with partial deletion of the marker gene. We discuss a number of applications for this novel technique, in particular its use to study DSB repair mechanisms.|
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|Language of Publication||English|
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