Telorneres: Not all breaks are equal

被引:9
作者
Purdy, A [1 ]
Su, TT [1 ]
机构
[1] Univ Colorado, Boulder, CO 80309 USA
关键词
D O I
10.1016/j.cub.2004.07.042
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
ATM, Rad50 and Mre11 have been shown to prevent telomere fusion in Drosophila, thereby extending the protective role of DNA damage checkpoint proteins to non-canonical telomeres formed without telomerase. How do these proteins help chromosomal termini escape fusion through 'repair' while promoting repair of induced DNA breaks?
引用
收藏
页码:R613 / R614
页数:2
相关论文
共 20 条
[1]  
BI X, 2004, CURR BIOL, V14
[2]   The Mre11 complex is required for ATM activation and the G2/M checkpoint [J].
Carson, CT ;
Schwartz, RA ;
Stracker, TH ;
Lilley, CE ;
Lee, DV ;
Weitzman, MD .
EMBO JOURNAL, 2003, 22 (24) :6610-6620
[3]   The Drosophila HOAP protein is required for telomere capping [J].
Cenci, G ;
Siriaco, G ;
Raffa, GD ;
Kellum, R ;
Gatti, M .
NATURE CELL BIOLOGY, 2003, 5 (01) :82-84
[4]   Telomerase and ATM/Tel1p protect telomeres from nonhomologous end joining [J].
Chan, SWL ;
Blackburn, EH .
MOLECULAR CELL, 2003, 11 (05) :1379-1387
[5]   The Drosophila Mre11/Rad50 complex is required to prevent both telomeric fusion and chromosome breakage [J].
Ciapponi, L ;
Cenci, G ;
Ducau, J ;
Flores, C ;
Johnson-Schlitz, D ;
Gorski, MM ;
Engels, WR ;
Gatti, M .
CURRENT BIOLOGY, 2004, 14 (15) :1360-1366
[6]   The Heterochromatin protein 1 prevents telomere fusions in Drosophila [J].
Fanti, L ;
Giovinazzo, G ;
Berloco, M ;
Pimpinelli, S .
MOLECULAR CELL, 1998, 2 (05) :527-538
[7]   ATM-dependent phosphorylation of nibrin in response to radiation exposure [J].
Gatei, M ;
Young, D ;
Cerosaletti, KM ;
Desai-Mehta, A ;
Spring, K ;
Kozlov, S ;
Lavin, MF ;
Gatti, RA ;
Concannon, P ;
Khanna, K .
NATURE GENETICS, 2000, 25 (01) :115-119
[8]   Disruption of Drosophila Rad50 causes pupal lethality, the accumulation of DNA double-strand breaks and the induction of apoptosis in third instar larvae [J].
Gorski, MM ;
Romeijn, RJ ;
Eeken, JCJ ;
de Jong, AWM ;
van Veen, BL ;
Szuhai, K ;
Mullenders, LH ;
Ferro, W ;
Pastink, A .
DNA REPAIR, 2004, 3 (06) :603-615
[9]   Telomere shortening triggers senescence of human cells through a pathway involving ATM, p53, and p21CIP1, but not p16INK4a [J].
Herbig, U ;
Jobling, WA ;
Chen, BPC ;
Chen, DJ ;
Sedivy, JM .
MOLECULAR CELL, 2004, 14 (04) :501-513
[10]   Direct activation of the ATM protein kinase by the Mre11/Rad50/Nbs1 complex [J].
Lee, JH ;
Paull, TT .
SCIENCE, 2004, 304 (5667) :93-96