HISTONE-INDUCED CONDENSATION OF RAT TESTIS CHROMATIN - TESTIS-SPECIFIC H1T VERSUS SOMATIC H1 VARIANTS

被引:73
作者
DELUCIA, F [1 ]
FARAONEMENNELLA, MR [1 ]
DERME, M [1 ]
QUESADA, P [1 ]
CAIAFA, P [1 ]
FARINA, B [1 ]
机构
[1] UNIV ROMA LA SAPIENZA,DIPARTIMENTO SCI BIOCHIM,ROME,ITALY
关键词
D O I
10.1006/bbrc.1994.1005
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
Due the likely role of H1 histone variants in inducing the formation of folded DNA filaments with different stabilities, the condensing capacity of the testis-specific H1t versus the somatic variants was tested. Circular dichroism analyses of rat testis H1-depleted oligonucleosomes (5-2kbp) revealed that H1t, which appears in germ cells during the meiotic prophase of mammalian spermatogenesis, exerts the lowest condensing effect as compared to the other variants. The distribution of H1 subtypes among different chromatin fractions was also investigated and gave evidence that H1t is more abundant in chromatin regions which are more sensitive to DNAase I digestion. © 1994 Academic Press, Inc.
引用
收藏
页码:32 / 39
页数:8
相关论文
共 21 条
[1]  
BRADFORD MM, 1976, ANAL BIOCHEM, V72, P248, DOI 10.1016/0003-2697(76)90527-3
[2]   DIFFERENCES IN THE BINDING OF H-1 VARIANTS TO DNA - COOPERATIVITY AND LINKER-LENGTH RELATED DISTRIBUTION [J].
CLARK, DJ ;
THOMAS, JO .
EUROPEAN JOURNAL OF BIOCHEMISTRY, 1988, 178 (01) :225-233
[3]  
COLE KD, 1984, J BIOL CHEM, V259, P3695
[4]  
COLE KD, 1986, J BIOL CHEM, V261, P7178
[5]  
COLE RD, 1987, INT J PEPT PROT RES, V30, P433
[6]   CHARACTERIZATION AND CHROMATIN DISTRIBUTION OF THE H1 HISTONES AND HIGH-MOBILITY-GROUP NONHISTONE CHROMOSOMAL-PROTEINS OF TROUT LIVER AND HEPATOCELLULAR-CARCINOMA [J].
DAVIE, JR ;
DELCUVE, GP .
BIOCHEMICAL JOURNAL, 1991, 280 :491-497
[7]   INHIBITION OF CPG METHYLATION IN LINKER DNA BY H(1) HISTONE [J].
DERME, M ;
SANTORO, R ;
ALLEGRA, P ;
REALE, A ;
MARENZI, S ;
STROM, R ;
CAIAFA, P .
BIOCHIMICA ET BIOPHYSICA ACTA, 1993, 1173 (02) :209-216
[8]   PHOSPHORYLATION AT CLUSTERED SER-PRO-X-LYS ARG MOTIFS IN SPERM-SPECIFIC HISTONE-H1 AND HISTONE-H2B [J].
HILL, CS ;
PACKMAN, LC ;
THOMAS, JO .
EMBO JOURNAL, 1990, 9 (03) :805-813
[9]  
HUANG HC, 1984, J BIOL CHEM, V259, P4237
[10]   LOCALIZATION OF MESSENGER-RNA FOR TESTIS-SPECIFIC HISTONE H1T BY INSITU HYBRIDIZATION [J].
KREMER, EJ ;
KISTLER, WS .
EXPERIMENTAL CELL RESEARCH, 1991, 197 (02) :330-332