NUCLEOLAR ORGANIZATION AS REVEALED IN CYCLOHEXIMIDE TREATED-CELLS

被引:4
作者
GHOSH, S
PAWELETZ, N
机构
[1] GERMAN CANC RES CTR,RES PROGRAM 4,DIV 0430,D-69120 HEIDELBERG,GERMANY
[2] UNIV CALCUTTA,DEPT BOT,CALCUTTA 700019,W BENGAL,INDIA
关键词
D O I
10.1006/cbir.1994.1110
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
The nucleolar organisation has been studied in cycloheximide treated rat kangaroo cells. Within 1 h of treatment most nucleoli become loose and reveal a nucleolonemal network. With longer treatment the granules are scarce and the nucleolonemal network becomes more prominent. The network reveals units comparable to the rDNA transcriptional units in length. The nucleolonemal units consist of tufts of fibrils. When cycloheximide is withdrawn, granules reappear and obliterate the nucleolonemal network.
引用
收藏
页码:783 / 789
页数:7
相关论文
共 24 条
[1]  
Busch H., 1970, NUCLEOLUS
[2]  
FISHER D, 1991, CHROMOSOMA, V101, P133
[3]  
GHOSH S, 1990, CELL BIOL INT REP, V14, P521
[4]   EVENTS ASSOCIATED WITH THE INITIATION OF MITOSIS IN FUSED MULTINUCLEATE HELA-CELLS [J].
GHOSH, S ;
PAWELETZ, N .
CHROMOSOMA, 1984, 90 (01) :57-67
[5]   ACTIVE RIBOSOMAL CISTRONS AND THEIR PRIMARY TRANSCRIPTS LOCATED IN THE NUCLEOLUS [J].
GHOSH, S ;
PAWELETZ, N .
CELL BIOLOGY INTERNATIONAL REPORTS, 1987, 11 (03) :205-210
[6]   TIMINGS OF DNA-SYNTHESIS IN THE NUCLEOLI OF ALLIUM-CEPA L [J].
GHOSH, S ;
DEY, R ;
SARKAR, S ;
BHATTACHARYA, D .
CELL BIOLOGY INTERNATIONAL REPORTS, 1990, 14 (02) :173-177
[7]   ACTIVE RIBOSOMAL CISTRONS IN PLANT NUCLEOLUS [J].
GHOSH, S ;
CHAKRABARTI, A ;
CHAUDHURI, SK .
CELL BIOLOGY INTERNATIONAL, 1993, 17 (08) :759-763
[8]   LOCALIZATION OF CHROMATIN IN PERSISTENT NUCLEOLI IN OKADAIC ACID-TREATED HELA-CELLS [J].
GHOSH, S ;
PAWELETZ, N .
CELL BIOLOGY INTERNATIONAL REPORTS, 1992, 16 (05) :475-480
[9]  
GHOSH S, 1987, INT REV CYTOL S, V17, P573
[10]   SELECTIVE SUPPRESSION OF NUCLEOLAR RNA METABOLISM IN ABSENCE OF PROTEIN SYNTHESIS [J].
HIGASHI, K ;
MATSUHIS.T ;
KITAO, A ;
SAKAMOTO, Y .
BIOCHIMICA ET BIOPHYSICA ACTA, 1968, 166 (02) :388-&