Chromatin boundaries: Punctuating the genome

被引:37
作者
Kellum, R
Elgin, SCR
机构
[1] McGill Univ, Dept Biol, Montreal, PQ H3A 1B1, Canada
[2] Washington Univ, Dept Biol, St Louis, MO 63130 USA
关键词
D O I
10.1016/S0960-9822(07)00337-5
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
Transcriptional enhancers are constrained to act within domains defined by boundary elements. How these elements work is a mystery. A recent study emphasizes their autonomous activity; another emphasizes their dependence on nuclear organization. Both effects need to be accounted for by any successful model.
引用
收藏
页码:R521 / R524
页数:4
相关论文
共 21 条
[1]   Association of transcriptionally silent genes with Ikaros complexes at centromeric heterochromatin [J].
Brown, KE ;
Guest, SS ;
Smale, ST ;
Hahm, K ;
Merkenschlager, M ;
Fisher, AG .
CELL, 1997, 91 (06) :845-854
[2]   The gypsy insulator can function as a promoter-specific silencer in the Drosophila embryo [J].
Cai, HN ;
Levine, M .
EMBO JOURNAL, 1997, 16 (07) :1732-1741
[3]   Polycomb and trithorax group proteins mediate the function of a chromatin insulator [J].
Gerasimova, TI ;
Corces, VG .
CELL, 1998, 92 (04) :511-521
[4]   A DROSOPHILA PROTEIN THAT IMPARTS DIRECTIONALITY ON A CHROMATIN INSULATOR IS AN ENHANCER OF POSITION-EFFECT VARIEGATION [J].
GERASIMOVA, TI ;
GDULA, DA ;
GERASIMOV, DV ;
SIMONOVA, O ;
CORCES, VG .
CELL, 1995, 82 (04) :587-597
[5]   The role of insulator elements in defining domains of gene expression [J].
Geyer, PK .
CURRENT OPINION IN GENETICS & DEVELOPMENT, 1997, 7 (02) :242-248
[6]   Link between aging and the nucleolus [J].
Guarente, L .
GENES & DEVELOPMENT, 1997, 11 (19) :2449-2455
[7]   Fab-7 functions as a chromatin domain boundary to ensure proper segment specification by the Drosophila bithorax complex [J].
Hagstrom, K ;
Muller, M ;
Schedl, P .
GENES & DEVELOPMENT, 1996, 10 (24) :3202-3215
[8]   HISTONE H3 AND H4 N-TERMINI INTERACT WITH SIR3 AND SIR4 PROTEINS - A MOLECULAR-MODEL FOR THE FORMATION OF HETEROCHROMATIN IN YEAST [J].
HECHT, A ;
LAROCHE, T ;
STRAHLBOLSINGER, S ;
GASSER, SM ;
GRUNSTEIN, M .
CELL, 1995, 80 (04) :583-592
[9]   A POSITION-EFFECT ASSAY FOR BOUNDARIES OF HIGHER-ORDER CHROMOSOMAL DOMAINS [J].
KELLUM, R ;
SCHEDL, P .
CELL, 1991, 64 (05) :941-950
[10]   A GROUP OF SCS ELEMENTS FUNCTION AS DOMAIN BOUNDARIES IN AN ENHANCER-BLOCKING ASSAY [J].
KELLUM, R ;
SCHEDL, P .
MOLECULAR AND CELLULAR BIOLOGY, 1992, 12 (05) :2424-2431