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Published on: January 17, 2019
Towards the Mechanism of Yeast Telomere Dynamics
1Department of Biochemistry and Molecular Biology, Tulane University Medical School, New Orleans, LA, USA.
Abstract:
A mechanistic understanding of the yeast telomere requires an integrated understanding of telomere chromatin structure (telosomes), telomeric origins of replications, telomere length homeostasis, and telosome epigenetics. Recent molecular and genetic studies of the yeast telosomal components Rap1, Rif1, and Rif2, the Mre11 complex, and Tel1ATM promise to increase our insight into the coordination between these processes. Here, an intricate relationship is proposed between these multiple components that has resulted in increased appreciation of the multiple levels of telomere length control and their differentiation from double-strand repair. The mre11A470 motif (A470-A482) alleles have also opened new avenues to the exploration of telosome structure and function.
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