A NOVEL GC-RICH HUMAN MACROSATELLITE VNTR IN XQ24 IS DIFFERENTIALLY METHYLATED ON ACTIVE AND INACTIVE X-CHROMOSOMES

被引:72
作者
GIACALONE, J
FRIEDES, J
FRANCKE, U
机构
[1] STANFORD UNIV, MED CTR, SCH MED, DEPT GENET, STANFORD, CA 94305 USA
[2] STANFORD UNIV, MED CTR, SCH MED, HOWARD HUGHES MED INST, STANFORD, CA 94305 USA
[3] UNIV CALIF SAN FRANCISCO, DEPT OBSTET GYNECOL & REPROD SCI, SAN FRANCISCO, CA 94143 USA
关键词
D O I
10.1038/ng0592-137
中图分类号
Q3 [遗传学];
学科分类号
071007 ; 090102 ;
摘要
A new X chromosome-specific repetitive sequence, a 3 kilobase HindIII clone with a base composition of 63% C+G, has been isolated. The sequence is organized as a hypervariable tandem repeat cluster ranging in size from 150-350 kilobases, with outlying single copies. This locus, designated DXZ4 and mapped to chromosome band Xq24, may consist of as many as 50 variable-length alleles. It represents a class of variable number of tandem repeat polymorphism which may be termed 'macrosatellite'. The cluster is highly methylated on the active X chromosome and hypomethylated on the inactive X.
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页码:137 / 143
页数:7
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共 46 条
  • [1] CLONED ENDOGENOUS RETROVIRAL SEQUENCES FROM HUMAN DNA
    BONNER, TI
    OCONNELL, C
    COHEN, M
    [J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA-BIOLOGICAL SCIENCES, 1982, 79 (15): : 4709 - 4713
  • [2] SOURCES AND EVOLUTION OF HUMAN ALU REPEATED SEQUENCES
    BRITTEN, RJ
    BARON, WF
    STOUT, DB
    DAVIDSON, EH
    [J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1988, 85 (13) : 4770 - 4774
  • [3] A GENE FROM THE REGION OF THE HUMAN X-INACTIVATION CENTER IS EXPRESSED EXCLUSIVELY FROM THE INACTIVE X-CHROMOSOME
    BROWN, CJ
    BALLABIO, A
    RUPERT, JL
    LAFRENIERE, RG
    GROMPE, M
    TONLORENZI, R
    WILLARD, HF
    [J]. NATURE, 1991, 349 (6304) : 38 - 44
  • [4] A HYPERVARIABLE REPEATED SEQUENCE ON HUMAN CHROMOSOME-1P36
    BUROKER, N
    BESTWICK, R
    HAIGHT, G
    MAGENIS, RE
    LITT, M
    [J]. HUMAN GENETICS, 1987, 77 (02) : 175 - 181
  • [5] DEMARTINVILLE B, 1985, AM J HUM GENET, V37, P235
  • [6] DEVILEE P, 1988, CANCER RES, V48, P5825
  • [7] ISOLATION OF AN ACTIVE HUMAN TRANSPOSABLE ELEMENT
    DOMBROSKI, BA
    MATHIAS, SL
    NANTHAKUMAR, E
    SCOTT, AF
    KAZAZIAN, HH
    [J]. SCIENCE, 1991, 254 (5039) : 1805 - 1808
  • [8] EDWARDS A, 1991, AM J HUM GENET, V49, P746
  • [9] A NEW MODERATELY REPETITIVE DNA-SEQUENCE FAMILY OF NOVEL ORGANIZATION
    EPSTEIN, ND
    KARLSSON, S
    OBRIEN, S
    MODI, W
    MOULTON, A
    NIENHUIS, AW
    [J]. NUCLEIC ACIDS RESEARCH, 1987, 15 (05) : 2327 - 2341
  • [10] LINE-1 - A MAMMALIAN TRANSPOSABLE ELEMENT
    FANNING, TG
    SINGER, MF
    [J]. BIOCHIMICA ET BIOPHYSICA ACTA, 1987, 910 (03) : 203 - 212