Title |
Loss of the bloom syndrome helicase increases DNA ligase 4-independent genome rearrangements and tumorigenesis in aging Drosophila
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Published in |
Genome Biology, December 2011
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DOI | 10.1186/gb-2011-12-12-r121 |
Pubmed ID | |
Authors |
Ana Maria Garcia, Robert N Salomon, Alice Witsell, Justine Liepkalns, R Brent Calder, Moonsook Lee, Martha Lundell, Jan Vijg, Mitch McVey |
Abstract |
The BLM DNA helicase plays a vital role in maintaining genome stability. Mutations in BLM cause Bloom syndrome, a rare disorder associated with cancer predisposition and premature aging. Humans and mice with blm mutations have increased frequencies of spontaneous mutagenesis, but the molecular basis of this increase is not well understood. In addition, the effect of aging on spontaneous mutagenesis in blm mutants has not been characterized. To address this, we used a lacZ reporter system in wild-type and several mutant strains of Drosophila melanogaster to analyze mechanisms of mutagenesis throughout their lifespan. |
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