ELASTICITY OF SEMIFLEXIBLE BIOPOLYMER NETWORKS

被引:881
作者
MACKINTOSH, FC
KAS, J
JANMEY, PA
机构
[1] UNIV MICHIGAN,DEPT PHYS,ANN ARBOR,MI 48109
[2] HARVARD UNIV,BRIGHAM & WOMENS HOSP,SCH MED,DIV EXPTL MED,BOSTON,MA 02115
基金
美国国家科学基金会;
关键词
D O I
10.1103/PhysRevLett.75.4425
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We develop a model for cross-linked gels and sterically entangled solutions of semiflexible biopolymers such as F-actin. Such networks play a crucial structural role in the cytoskeleton of cells. We show that the theologic properties of these networks can result from nonclassical rubber elasticity. This model can explain a number of elastic properties of such networks in vitro, including the concentration dependence of the storage modulus and yield strain.
引用
收藏
页码:4425 / 4428
页数:4
相关论文
共 24 条
[11]   EFFECT OF ATP ON ACTIN FILAMENT STIFFNESS [J].
JANMEY, PA ;
HVIDT, S ;
OSTER, GF ;
LAMB, J ;
STOSSEL, TP ;
HARTWIG, JH .
NATURE, 1990, 347 (6288) :95-99
[12]  
JANMEY PA, 1994, J BIOL CHEM, V269, P32503
[13]   RESEMBLANCE OF ACTIN-BINDING PROTEIN ACTIN GELS TO COVALENTLY CROSS-LINKED NETWORKS [J].
JANMEY, PA ;
HVIDT, S ;
LAMB, J ;
STOSSEL, TP .
NATURE, 1990, 345 (6270) :89-92
[14]  
JANMEY PA, 1986, J BIOL CHEM, V261, P8357
[15]   VISCOELASTIC PROPERTIES OF VIMENTIN COMPARED WITH OTHER FILAMENTOUS BIOPOLYMER NETWORKS [J].
JANMEY, PA ;
EUTENEUER, U ;
TRAUB, P ;
SCHLIWA, M .
JOURNAL OF CELL BIOLOGY, 1991, 113 (01) :155-160
[16]   VISCOELASTICITY OF F-ACTIN AND F-ACTIN GELSOLIN COMPLEXES [J].
JANMEY, PA ;
HVIDT, S ;
PEETERMANS, J ;
LAMB, J ;
FERRY, JD ;
STOSSEL, TP .
BIOCHEMISTRY, 1988, 27 (21) :8218-8227
[17]   DIRECT IMAGING OF REPTATION FOR SEMIFLEXIBLE ACTIN-FILAMENTS [J].
KAS, J ;
STREY, H ;
SACKMANN, E .
NATURE, 1994, 368 (6468) :226-229
[18]  
Kas J., 1994, Molecular Biology of the Cell, V5, p157A
[19]   TALIN ANCHORS AND NUCLEATES ACTIN-FILAMENTS AT LIPID-MEMBRANES - A DIRECT DEMONSTRATION [J].
KAUFMANN, S ;
KAS, J ;
GOLDMANN, WH ;
SACKMANN, E ;
ISENBERG, G .
FEBS LETTERS, 1992, 314 (02) :203-205
[20]   NUCLEOTIDE EXCHANGE AND RHEOMETRIC STUDIES WITH F-ACTIN PREPARED FROM ATP-MONOMERIC OR ADP-MONOMERIC ACTIN [J].
NEWMAN, J ;
ZANER, KS ;
SCHICK, KL ;
GERSHMAN, LC ;
SELDEN, LA ;
KINOSIAN, HJ ;
TRAVIS, JL ;
ESTES, JE .
BIOPHYSICAL JOURNAL, 1993, 64 (05) :1559-1566