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Deprecated: Implicit conversion from float 225.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Proc+Natl+Acad+Sci+U+S+A 2017 ; 114 (21): 5479-84 Nephropedia Template TP
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Shelterin components mediate genome reorganization in response to replication stress #MMPMID28490498
Proc Natl Acad Sci U S A 2017[May]; 114 (21): 5479-84 PMID28490498show ga
Genome organization affects many critical nuclear functions. Notably, the nuclear periphery has emerged as a specialized compartment for the regulation of transcription, replication, and DNA damage repair activities. Here, we find that cells carrying a mutation in the broadly distributed DNA-binding protein Sap1 experience replication stress and genome instability and undergo a genome reorganization featuring new contacts between chromosome arms and telomeres. These prominent new interactions are mediated by the Taz1?Shelterin telomere protection complex and include specific chromosome arm regions containing replication origins bound by Taz1. Our findings uncover an unexpected role for Shelterin in mediating genome reorganization in cells undergoing replication stress.