Results 201 to 210 of about 44,849 (251)

Distinct distributions of myosin motor conformations during contraction of slow and fast skeletal muscle. [PDF]

J Physiol
Hill C, Kalakoutis M, Arcidiacono A, Wang Y, Smith E, Brunello E, Fusi L, Irving M.   +7 more
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Bipolarity in thick filaments of Nematomorpha

Journal of Molecular Biology, 1977
Thick filaments of horse-hair worms muscles are characterized by asymmetrical periods 670 to 700 A long. A reversal zone, with centro-symmetrical periods has been observed; therefore these filaments are bipolar, as required for the sliding filament contraction mechanism.
G, Lanzavecchia, R, Valvassori, M, De Egiuleor   +2 more
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Thick filaments in vertebrate smooth muscle

Cell and Tissue Research, 1975
Smooth muscle cells of the mouse vas deferens fixed with 5% glutaraldehyde contained three types of filaments, namely, thin (50-80) A) filaments, intermediate (100 A) filaments and thick (120-180 A) filments. However, in 2 out of 16 experiments, under identical conditions, the cells did not contain thick filaments.
Campbell, GR, Chamley, JH
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Thick Filament Diseases

2008
Hereditary myosin myopathies are a newly emerged group of diseases caused by mutations in skeletal muscle myosin heavy chain (MyHC) genes. The phenotypes of these diseases are varied, ranging from prenatal nonprogressive arthrogrypotic syndromes to adult-onset progressive muscle weakness.
Anders, Oldfors, Phillipa J, Lamont
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Electron microscopy of nematode thick filaments

Journal of Ultrastructure Research, 1981
Thick filaments have been isolated from the body-wall muscle cells of the nematode, Caenorhabditis elegans. Their protein constituents were shown by SDS—polyacrylamide gel electrophoresis to be myosin, paramyosin, several previously unidentified protein bands and small amounts of actin and tropomyosin from contaminating thin filaments.
J M, MacKenzie, H F, Epstein
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Thick filaments and paramyosin of annelid muscles

Journal of Ultrastructure Research, 1976
Thick filaments from annelid muscle were observed by positive and negative staining of the glycerinated sample, which was homogenized in a relaxing medium containing ATP. The preservation of myosin on the filament surface was strictly related to very high concentration of ATP (12 m M .). The 144 A periodicity was scarcely visible.
M, Camatini, L C, Castellani, E, Franchi, G, Lanzavecchia, L, Paoletti   +4 more
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Thick (Myosin) Filaments in a Glomus Tumor

American Journal of Clinical Pathology, 1983
An otherwise classic digital glomus tumor is presented with the unusual ultrastructural finding of cytoplasmic thick (myosin) filaments together with thin (actin) filaments in many of the cells. In places, sarcomere-like orientation was seen. It is little appreciated among diagnostic pathologists, but is well-established, that thick (myosin) filaments ...
P A, di Sant'Agnese, K L, De Mesy Jensen
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Structure of Limulus telson muscle thick filaments

Journal of Molecular Biology, 1981
Abstract Computer analysis of electron micrographs of negatively stained thick filaments isolated from the telson levator muscle of the horseshoe crab ( Limulus polyphemus ) has shown that they have a four-stranded helical structure. The repeating units along each helix have a bent extended shape (measuring approximately 20 nm × 8 nm × 8 nm) and are ...
M, Stewart, R W, Kensler, R J, Levine
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