Results 31 to 40 of about 13,149 (237)
Mio affects myofibril size in pharate adults. [PDF]
, 2015 Transmission Electron Microscopy of Indirect Flight Muscles of Mef2-Gal4>MiodsRNA and Mef2-Gal4>Mio-IR pharate adults compared to Mef2-Gal4>GFP controls. Panels (A), (B) and (C) show cross sections of the myofibrils. Bars indicate 0.5μm. f, myofibril; c,
Grzegorz L. Polak (787000) +4 more
core +1 more source
High-speed ultrasensitive instrumentation for myofibril mechanics measurements [PDF]
, 1987 A novel instrument for measuring the mechanics of a single myofibril is described. The principle of the transducer operation is to attach a myofibril to a very fine wire suspended in a magnetic field.
T. Iwazumi
core +1 more source
Frontiers in Physiology, 2020 Skeletal muscle fibers are multinucleated cells that contain mostly myofibrils suspended in an aqueous media termed the sarcoplasm. Select evidence suggests sarcoplasmic hypertrophy, or a disproportionate expansion of the sarcoplasm relative to myofibril
Michael D. Roberts +6 more
doaj +1 more source
Cells, 2020 The maintenance of skeletal muscle mass plays a critical role in health and quality of life. One of the most potent regulators of skeletal muscle mass is mechanical loading, and numerous studies have led to a reasonably clear understanding of the ...
Kent W. Jorgenson +2 more
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Myofibril and mitochondria morphogenesis are coordinated by a mechanical feedback mechanism in muscle [PDF]
, 2020 Complex animals build specialised muscle to match specific biomechanical and energetic needs. Hence, composition and architecture of sarcomeres as well as mitochondria are muscle type specific. However, mechanisms coordinating mitochondria with sarcomere
Luis, Nuno Miguel +5 more
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Thick filament‐associated myosin undergoes frequent replacement at the tip of the thick filament
FEBS Open Bio, 2022 Myosin plays a fundamental role in muscle contraction. Approximately 300 myosins form a bipolar thick filament, in which myosin is continuously replaced by protein turnover.
Emi Ichimura +4 more
doaj +1 more source
Microtubules coordinate mitochondria transport with myofibril morphogenesis during muscle development [PDF]
International audienceMuscle cells contain numerous energy-producing mitochondria and contractile myofibrils, whose myosin motors need ATP to generate force. Thus, myofibrils and mitochondria are in intimate contact in mature muscles.
Gomes, Edgar, R +5 more
core +3 more sources
Decreasing Mio levels results in abnormal myofibril organization. [PDF]
, 2015 Scanning Electron Microscopy of longitudinal sections of Indirect Flight Muscles of adult Mef2-Gal4>MiodsRNA and Mef2-Gal4>Mio-IR females compared to Mef2-Gal4>GFP controls. f, myofibril; g, glycogen granules.
Grzegorz L. Polak (787000) +4 more
core +1 more source
The ubiquitin ligase Ozz decreases the replacement rate of embryonic myosin in myofibrils
Physiological Reports, 2021 Myosin, the most abundant myofibrillar protein in skeletal muscle, functions as a motor protein in muscle contraction. Myosin polymerizes into the thick filaments in the sarcomere where approximately 50% of embryonic myosin (Myh3) are replaced within 3 h
Emi Ichimura +5 more
doaj +1 more source
Frontiers in Physiology, 2019 IntroductionGene polymorphisms are associated with athletic phenotypes relying on maximal or continued power production and affect the specialization of skeletal muscle composition with endurance or strength training of untrained subjects.
Martin Flück +5 more
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