PRECURSOR OF CYTOPLASMIC ACTIN IN CULTURED DROSOPHILA CELLS

被引:20
作者
BERGER, E [1 ]
COX, G [1 ]
机构
[1] DARTMOUTH COLL, DEPT BIOL, HANOVER, NH 03755 USA
关键词
D O I
10.1083/jcb.81.3.680
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
In continuous lines of cultured Drosophila cells 2 forms of cytoplasmic actin, designated II and III, are detected after a 25-120 min pulse label with [35S]methionine. Only actin II accumulates in the cell. With the use of a pulse-chase protocol and 2 dimensional gel electrophoresis, it was found that actin III is synthesized as a precursor of the more stable cytoplasmic actin II. The half-life of actin III was estimated at approximately 50 min.
引用
收藏
页码:680 / 683
页数:4
相关论文
共 7 条
[1]  
Echalier G., 1976, INVERTEBRATE TISSUE, P131, DOI [10.1016/B978-0-12-429740-1.50014-X, DOI 10.1016/B978-0-12-429740-1.50014-X]
[2]   IDENTIFICATION AND CHARACTERIZATION OF MULTIPLE FORMS OF ACTIN [J].
GARRELS, JI ;
GIBSON, W .
CELL, 1976, 9 (04) :793-805
[3]   CHARACTERIZATION OF MESSENGER-RNAS FOR ALPHA-ACTIN, BETA-ACTIN AND GAMMA-ACTIN [J].
HUNTER, T ;
GARRELS, JI .
CELL, 1977, 12 (03) :767-781
[4]  
OFARRELL PH, 1975, J BIOL CHEM, V250, P4007
[5]  
SCHNEIDER I, 1972, J EMBRYOL EXP MORPH, V27, P353
[6]   MYOGENESIS IN PRIMARY-CELL CULTURES FROM DROSOPHILA-MELANOGASTER - PROTEIN-SYNTHESIS AND ACTIN HETEROGENEITY DURING DEVELOPMENT [J].
STORTI, RV ;
HOROVITCH, SJ ;
SCOTT, MP ;
RICH, A ;
PARDUE, ML .
CELL, 1978, 13 (04) :589-598
[7]   SYNTHESIS OF SPECIFIC FUNCTIONAL MESSENGER-RNA INVITRO BY PHAGE-SP01-MODIFIED RNA-POLYMERASE OF BACILLUS-SUBTILIS [J].
SWANTON, M ;
SMITH, DH ;
SHUB, DA .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1975, 72 (12) :4886-4890