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PMID: 799215 Published · ppublish English Historical Article Journal Article Research Support, U.S. Gov't, P.H.S.

Cytoskeletal functions of cytoplasmic contractile proteins.

Journal of supramolecular structure ·Vol. 5 ·No. 3 ·1976-00-00 ·Pages 317-34

Pollard TD

Abstract

This is a review of the evidence that the cytoplasmic contractile proteins function as a cytoskeletal system in the cytoplasmic matrix. Biochemical experiments show that cycoplasmic actin filaments can form a solid gel under conditions likely to exist in living cells. The actin filaments are associated with other proteins which amy stabilize the gel and which are involved with motile force generation like myosin. Ultrastructural studies show that actin filaments are difficult to preserve, but that under stabilizing conditions networks of actin filaments are found throughtout the cytoplasmic matrix.

MeSH Terms

Actins/analysis,physiology Adenosine Triphosphate/physiology Animals Calcium/physiology Cell Biology/history Cell Movement Contractile Proteins/physiology Cytochalasin B/pharmacology Cytoplasm/physiology Elasticity Gels History, 19th Century History, 20th Century Microscopy, Electron/methods Microscopy, Electron, Scanning Microtubules/physiology Myosins/physiology Nucleotides/pharmacology Osmium/pharmacology Temperature Tropomyosin/metabolism Viscosity

Chemicals

Actins Contractile Proteins Gels Nucleotides Tropomyosin Osmium Cytochalasin B Adenosine Triphosphate Myosins Calcium

Authors & Affiliations

1 authors, click to expand affiliations / ORCID

Pollard T D

Article Info

Journal

Journal of supramolecular structure

Abbr.

J Supramol Struct

ISSN

0091-7419

DOI

10.1002/jss.400050306

Published

1976-00-00

Pages

317-34

Language

English

Region

United States

NLM ID

0330464

Subset

External Links

PubMed source DOI: 10.1002/jss.400050306

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