Crossbridge and Backbone Structure of Invertebrate Thick Filaments
نویسندگان
چکیده
منابع مشابه
Stepwise length changes in single invertebrate thick filaments.
Previous experiments on thick filaments of the anterior byssus retractor muscle of Mytilus and the telson-levator muscle of Limulus polyphemus have shown large, reversible length changes up to 23% and 66% of initial length, respectively, within the physiological tension range. Using nanofabricated cantilevers and newly developed high-resolution detection methods, we investigated the dynamics of...
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Rabbit muscle is a major source of material for biochemical experiments and spin labelling studies of contraction, and so it is important to establish how closely this material resembles the frog and fish muscles usually used for structural studies. Previous studies have shown that relaxed rabbit muscle thick filaments lose the characteristic order of their crossbridges when they are cooled bel...
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Muscle fibers of the tarantula femur exhibit structural and biochemical characteristics similar to those of other long-sarcomere invertebrate muscles, having long A-bands and long thick filaments. 9-12 thin filaments surround each thick filament. Tarantula muscle has a paramyosin:myosin heavy chain molecular ratio of 0.31 +/- 0.079 SD. We studied the myosin cross-bridge arrangement on the surfa...
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We investigated the dynamics of isolated Mytilus ABRM (anterior byssus retractor muscle) thick filaments manipulated by nanofabricated silicon-nitride levers. Single thick filaments were suspended between the tips of two microbeams oriented perpendicular to the filament’s axis: a deflectable cantilever and a stationary beam. Axial stress was applied by translating the base of the deflectable na...
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ژورنال
عنوان ژورنال: Biophysical Journal
سال: 1986
ISSN: 0006-3495
DOI: 10.1016/s0006-3495(86)83624-4