Checkpoint proteins control survival of the postmitotic cells in Caenorhabditis elegans

被引:55
作者
Olsen, Anders [1 ]
Vantipalli, Maithili C. [1 ]
Lithgow, Gordon J. [1 ]
机构
[1] Buck Inst, Novato, CA 94945 USA
关键词
D O I
10.1126/science.1124981
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Checkpoints are evolutionarily conserved signaling mechanisms that arrest cell division and alter cellular stress resistance in response to DNA damage or stalled replication forks. To study the consequences of loss of checkpoint functions in whole animals, checkpoint genes were inactivated in the nematode C. elegans. We show that checkpoint proteins are not only essential for normal development but also determine adult somatic maintenance. Checkpoint proteins play a role in the survival of postmitotic adult cells.
引用
收藏
页码:1381 / 1385
页数:5
相关论文
共 28 条
[1]   CDC-25.1 regulates germline proliferation in Caenorhabditis elegans [J].
Ashcroft, N ;
Golden, A .
GENESIS, 2002, 33 (01) :1-7
[2]   RNA-mediated interference of a cdc25 homolog in Caenorhabditis elegans results in defects in the embryonic cortical membrane, meiosis, and mitosis [J].
Ashcroft, NR ;
Srayko, M ;
Kosinski, ME ;
Mains, PE ;
Golden, A .
DEVELOPMENTAL BIOLOGY, 1999, 206 (01) :15-32
[3]   Neuronal expression of p53 dominant-negative proteins in adult Drosophila melanogaster extends life span [J].
Bauer, JH ;
Poon, PC ;
Glatt-Deeley, H ;
Abrams, JM ;
Helfand, SL .
CURRENT BIOLOGY, 2005, 15 (22) :2063-2068
[4]   Differential activation of the DNA replication checkpoint contributes to asynchrony of cell division in C-elegans embryos [J].
Brauchle, M ;
Baumer, K ;
Gönczy, P .
CURRENT BIOLOGY, 2003, 13 (10) :819-827
[5]   IRE1 couples endoplasmic reticulum load to secretory capacity by processing the XBP-1 mRNA [J].
Calfon, M ;
Zeng, HQ ;
Urano, F ;
Till, JH ;
Hubbard, SR ;
Harding, HP ;
Clark, SG ;
Ron, D .
NATURE, 2002, 415 (6867) :92-96
[6]   Oncogenic potential of a C.elegans cdc25 gene is demonstrated by a gain-of-function allele [J].
Clucas, C ;
Cabello, J ;
Büssing, I ;
Schnabel, R ;
Johnstone, IL .
EMBO JOURNAL, 2002, 21 (04) :665-674
[7]   daf-16 integrates developmental and environmental inputs to mediate aging in the nematode Caenorhabditis elegans [J].
Henderson, ST ;
Johnson, TE .
CURRENT BIOLOGY, 2001, 11 (24) :1975-1980
[8]   Signals from the reproductive system regulate the lifespan of C-elegans [J].
Hsin, H ;
Kenyon, C .
NATURE, 1999, 399 (6734) :362-366
[9]  
Kalogeropoulos N, 2004, CELL CYCLE, V3, P1196
[10]   The plasticity of aging: Insights from long-lived mutants [J].
Kenyon, C .
CELL, 2005, 120 (04) :449-460