NANOFILAMENT DEPENDENT MOTILITY IN DINOFLAGELLATES

被引:4
作者
CACHON, J [1 ]
CACHON, M [1 ]
GREUET, C [1 ]
HUITOREL, P [1 ]
机构
[1] UNIV P & M CURIE,CNRS,URA 671,OBSERV OCEANOL,MOTIL CELLULAIRE GRP,F-06230 VILLEFRANCHE MER,FRANCE
关键词
NANOFILAMENTS; NON-ACTIN FILAMENTS; MYONEME; MOTILITY; BASAL BODIES; CENTROSOMES; DINOFLAGELLATES;
D O I
10.1016/0248-4900(94)90048-5
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
In dinoflagellates, as in many eukaryotes, several kinds of nanofilaments have been described: some are organized in bundies showing a strict periodicity, some are not; most are contractile upon a rise in Ca2+ concentration, some are not. In any case, their contractile properties appear to be ATP independent. They are present in all cell types studied so far, and are typically found in association with the centrioles-basal bodies where they are suggested to play a role in MTOC structure, position and function. Nanofilaments are all about 2-4 nm in diameter, interact with microtubules, and are insoluble filaments, though to a variable extent. We propose that the nanofilaments may play a structural and/or active role complementary to intermediate filaments.
引用
收藏
页码:1 / 10
页数:10
相关论文
共 73 条
[1]  
Amos W. B, 1976, Symposia Soc exp Biol, VNo. 30, P273
[2]   REVERSIBLE MECHANOCHEMICAL CYCLE IN CONTRACTION OF VORTICELLA [J].
AMOS, WB .
NATURE, 1971, 229 (5280) :127-&
[3]  
AMOS WB, 1975, J CELL SCI, V19, P203
[4]  
AMOS WB, 1972, J CELL SCI, V10, P95
[5]   CENTRIN IS A COMPONENT OF THE PERICENTRIOLAR LATTICE [J].
BARON, AT ;
GREENWOOD, TM ;
BAZINET, CW ;
SALISBURY, JL .
BIOLOGY OF THE CELL, 1992, 76 (03) :383-388
[6]   IDENTIFICATION AND LOCALIZATION OF A NOVEL, CYTOSKELETAL, CENTROSOME-ASSOCIATED PROTEIN IN PTK2 CELLS [J].
BARON, AT ;
SALISBURY, JL .
JOURNAL OF CELL BIOLOGY, 1988, 107 (06) :2669-2678
[7]  
BARON AT, 1992, CELL MOTIL CYTOSKEL, V23, pA311
[8]   INTERMEDIATE FILAMENTS - KNOWN STRUCTURE, UNKNOWN FUNCTION [J].
BLOEMENDAL, H ;
PIEPER, FR .
BIOCHIMICA ET BIOPHYSICA ACTA, 1989, 1007 (03) :245-253
[9]  
CACHON J, 1984, BIOL CELL, V52, P61
[10]   NON-ACTIN FILAMENTS AND CELL CONTRACTION IN KOFOIDINIUM AND OTHER DINOFLAGELLATES [J].
CACHON, J ;
CACHON, M .
CELL MOTILITY AND THE CYTOSKELETON, 1985, 5 (01) :1-15