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Saturday, August 8, 2020 | History

5 edition of Elastic filaments of the cell found in the catalog.

Elastic filaments of the cell

Elastic filaments of the cell

  • 14 Want to read
  • 36 Currently reading

Published by Kluwer Academic/Plenum Publishers in New York .
Written in English

    Subjects:
  • Cytoplasmic filaments -- Congresses,
  • Intermediate filament proteins -- Congresses,
  • Muscle contraction -- Congresses,
  • Myofibroblasts -- Congresses

  • Edition Notes

    Statementedited by Henk L. Granzier and Gerald H. Pollack.
    GenreCongresses.
    SeriesAdvances in experimental medicine and biology -- v. 481.
    ContributionsGranzier, Henk L., Pollack, Gerald H.
    Classifications
    LC ClassificationsQH603.C95 E43 2000
    The Physical Object
    Paginationix, 425 p. :
    Number of Pages425
    ID Numbers
    Open LibraryOL20766673M
    ISBN 100306464101
    LC Control Number00042439
    OCLC/WorldCa44162603

    The organization of actin filaments into higher-ordered structures governs eukaryotic cell shape and movement. Global actin network size and architecture are maintained in a dynamic steady state through regulated assembly and disassembly. Here, we used experimentally defined actin structures in vitro to investigate how the activity of myosin motors depends on network architecture. Elastic filaments play an important role in the behaviour of cells and biological tissues. In this paper a two-dimensional nonlinear elastic framework, incorporating both bending and stretching.

      The discoidal shape of many blood cells is essential to their proper function within the organism. For blood platelets and other cells, this shape is maintained by the marginal band, which is a closed ring of filaments called microtubules. This ring is elastic and pushes on the cell cortex, a tense polymer scaffold associated with the plasma by: Membranes of the cell are characterized by several elastic parameters, such as the area compression modulus, that reflect the membrane's quasi-two-dimensional structure. As described in Chapter 5, these parameters have small values for a lipid bilayer just 4–5 nm thick, yet they properly describe the energetics of membrane deformation at zero.

    Elastic Filaments of the Cell. Advances in Experimental Medicine and Biology. Henk Granzier and Gerald Pollack Elastic filaments refer mainly to titin, the largest of all known proteins. Titin was discovered initially in muscle cells, where it interconnects the thick filament with the Z-line. Aimed at senior undergraduates and graduate students in science and biomedical engineering, this text explores the architecture of a cell's envelope and internal scaffolding, and the properties of its soft components. The book first discusses the properties of individual flexible polymers, networks and membranes, and then considers simple composite assemblages such as bacteria and synthetic cells.4/5(3).


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Elastic filaments of the cell Download PDF EPUB FB2

Elastic filaments refer mainly to titin, the largest of all known proteins. Titin was discovered initially in muscle cells, where it interconnects the thick filament with the Z-line. Titin forms a molecular spring that is responsible for maintaining the structural integrity of contracting Format: Hardcover.

Elastic filaments refer mainly to titin, the largest of all known proteins. Titin was discovered initially in muscle cells, where it interconnects the thick filament with the Z-line. Titin forms a molecular spring that is responsible for maintaining the structural integrity of contracting.

Elastic filaments refer mainly to titin, the largest of all known proteins. Titin was discovered initially in muscle cells, where it interconnects the thick filament with the Z-line. Titin forms a molecular spring that is responsible for maintaining the structural integrity of contracting.

Elastic filaments of the cell -- Connecting filaments: a historical perspective \/ K\u00E1roly Tromnit\u00E1s -- Connectin: from regular to giant sizes of sarcomeres \/ Koscak Maruyama -- Molecular tools for the study of titin\'s differential expression \/ Thomas Centner -- Sequence and mechanical implications of titin\'s PEVK region \/ Marion.

Elastic filaments refer mainly to titin, the largest known protein, which forms a molecular spring that is responsible for maintaining the structural integrity of contracting muscle.

This text explores the potential research into this substance. Elastic Filaments of the Cell by Gerald H. Pollack,available at Book Depository with free delivery worldwide. Elastic Filaments of the Cell by Henk L. Granzier,available at Book Depository with free delivery worldwide.

Next, the filaments at the back of the cell break down, allowing the cell to roll forward towards the new filaments. Cell movement is crucial for many cells, but white blood cells in particular. Elastic filaments, 1 nm in diameter, are made of titin, a large springy protein.

They run through the core of each thick filament and anchor it to the Z-line, the end point of a sarcomere. Titin also stabilizes the thick filament, while centering it between the thin of: Myofibril. Removal of thin filaments in rabbit skeletal muscle with plasma gelsolin has revealed the essential features of elastic filaments.

The selective removal of thin filaments was confirmed by staining with phalloidin-rhodamine for fluorescence microscopy, examination of arrowhead formation with myosin subfragment 1 by electron microscopy, and.

Entire length of 2 thick filaments which are joined at the M line. Seen as the darker middle part of the sarcomere. Includes thick filament, thin filament and elastic filament. individual fibers each with own motor neuron terminals and with few gap junctions between neighboring fibers; stimulation causes contraction of only one fiber; found in walls of large arteries, in large airways of lungs, in arrector pili muscles, and in radial and circular muscles of iris [When the stimulus comes-it only stimulates one or two fibers-this is from more precise movements.

A useful parameter that characterizes the elastic behavior of these filaments is the persistence length, which is a measure of the length scale over which a filament is “stiff” or “straight”, i.e.

how far you have to proceed along a thermally fluctuating filament before the two ends have uncorrelated orientations.

Ultrastructural Pathology of the Cell and Matrix Electron microscopic studies show that the filaments comprising oxytalan fibers have about the same width as the filaments in elastic fiber fibrils. Tetraphenylporphine sulfonate has a specific affinity for elastic fibers.

The book can provide useful information to cytologists. Two problems in the study of elastic filaments are considered. First, a reliable numerical algorithm is developed that can determine the shape of a static elastic rod under a variety of conditions.

In this algorithm the governing equations are written entirely in terms of local coordinates and are discretized using finite : Matthew Beauregard. Start studying The Muscular System.

Learn vocabulary, terms, and more with flashcards, games, and other study tools. A protein that makes up the elastic filaments that hold the thick and thin filaments in line with each other. formed from protein plaques in the cell membranes linked by filaments.

J Cell Biol. Jan;(1) Elastic filaments in skeletal muscle revealed by selective removal of thin filaments with plasma gelsolin. Funatsu T(1), Higuchi H, Ishiwata S. Author information: (1)Department of Physics, School of Science and Engineering, Waseda University, Tokyo, by: Jie Li MD PhD, Robert S Kirsner MD PhD, in Surgery of the Skin, Elastic fibers.

Elastic fibers are long, thin, and highly retractile. Elastin, as its name implies, provides elasticity and extensibility to the dermis and assists in recovery from deformation. 59 Elastin is a highly hydrophobic structural protein making up only 2% of the total protein in the dermis.

59 Elastin, lipids, and. Recent studies indicate that the cell membrane, interacting with its attached cytoskeleton, is an important regulator of cell function, exerting and responding to forces. We investigate this relationship by looking for connections between cell membrane elastic properties, especially surface tension and bending modulus, and cell function.

Those properties are measured by pulling tethers from. Elastic filaments are composed of titin, a large springy protein; these filaments anchor the thick filaments to the Z disc. Together, these myofilaments work to produce a muscle contraction. The sarcoplasmic reticulum, a specialized type of smooth endoplasmic reticulum, Location: Muscle.

Intermediate Filaments. Intermediate Filaments are the thickest in cytoskeleton family. Unlike microfilaments, they don't anchor to the plasma membrane. They move in the cytoplasm around the nucleus. Because they are the thickest, they serve an important role in the stability of the cell's shape, forming hair, skin, etc.Funatsu, T, Higuchi, H & Ishiwata, S' Elastic filaments in skeletal muscle revealed by selective removal of thin filaments with plasma gelsolin ', Journal of Cell Biology, vol.no.

1, pp. Cited by: Cell - Cell - Intermediate filaments: Intermediate filaments are so named because they are thicker than actin filaments and thinner than microtubules or muscle myosin filaments. The subunits of intermediate filaments are elongated, not globular, and are associated in an antipolar manner.

As a result, the overall filament has no polarity, and therefore no motor proteins move along intermediate.