Results 281 to 290 of about 498,521 (337)
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Trends in Cell Biology, 2003
Three protein motors have been unambiguously identified as rotary engines: the bacterial flagellar motor and the two motors that constitute ATP synthase (F(0)F(1) ATPase). Of these, the bacterial flagellar motor and F(0) motors derive their energy from a transmembrane ion-motive force, whereas the F(1) motor is driven by ATP hydrolysis. Here, we review
George, Oster, Hongyun, Wang
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Three protein motors have been unambiguously identified as rotary engines: the bacterial flagellar motor and the two motors that constitute ATP synthase (F(0)F(1) ATPase). Of these, the bacterial flagellar motor and F(0) motors derive their energy from a transmembrane ion-motive force, whereas the F(1) motor is driven by ATP hydrolysis. Here, we review
George, Oster, Hongyun, Wang
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Folia Microbiologica, 1995
Yeast accomplish a variety of intracellular motile events with the aid of mechanochemical enzymes known as motor proteins. This review covers the current state of knowledge on myosins, kinesins, dyneins, dynamins and SMC proteins present in yeast cells, and the most important developments in the study of yeast mitosis.
E, Streiblová, R, Bonaly
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Yeast accomplish a variety of intracellular motile events with the aid of mechanochemical enzymes known as motor proteins. This review covers the current state of knowledge on myosins, kinesins, dyneins, dynamins and SMC proteins present in yeast cells, and the most important developments in the study of yeast mitosis.
E, Streiblová, R, Bonaly
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Motor Proteins and Spermatogenesis
2021Unlike the intermediate filament- and septin-based cytoskeletons which are apolar structures, the microtubule (MT) and actin cytoskeletons are polarized structures in mammalian cells and tissues including the testis, most notable in Sertoli cells. In the testis, these cytoskeletons that stretch across the epithelium of seminiferous tubules and lay ...
Siwen, Wu +7 more
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Motor neurons rely on motor proteins
Trends in Cell Biology, 2004The importance of active axonal transport to the neuron has been highlighted by the recent discoveries that mutations in microtubule motor proteins result in neurodegenerative diseases. Mutations affecting microtubule motor function have been shown to cause hereditary forms of Charcot-Marie-Tooth disease (type 2A), hereditary spastic paraplegia and ...
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Science, 1996
Microtubules are responsible for chromosome segregation and the movement and reorganization of membranous organelles. Many aspects of microtubule-based motility can be attributed to the action of motor proteins, producing force directed toward either end of microtubules.
R B, Vallee, M P, Sheetz
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Microtubules are responsible for chromosome segregation and the movement and reorganization of membranous organelles. Many aspects of microtubule-based motility can be attributed to the action of motor proteins, producing force directed toward either end of microtubules.
R B, Vallee, M P, Sheetz
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Motor proteins transporting cargos
The European Physical Journal E, 2005Processive motor proteins such as kinesin and myosin-V are enzymes that use the energy of ATP hydrolysis to travel along polar cytoskeletal filaments. One of the functions of these proteins is the transport of vesicles and protein complexes that are linked to the light chains of the motors. Modeling the light chain by a linear elastic spring, and using
Zeldovich, K. B. +2 more
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Coupling between motor proteins determines dynamic behaviors of motor protein assemblies
Physical Chemistry Chemical Physics, 2010Transport of intracellular cargos by multiple microtubule motor proteins is believed to be a common and significant phenomenon in vivo, yet signatures of the microscopic dynamics of multiple motor systems are only now beginning to be resolved. Understanding these mechanisms largely depends on determining how grouping motors affect their association ...
Jonathan W, Driver +5 more
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Cytoplasmic microtubule-based motor proteins
Current Opinion in Cell Biology, 1993A multitude of microtubule-based motors drives diverse forms of intracellular transport and generates forces for maintaining the dynamic structural organization of cytoplasm. Recent work has illuminated the functions and mechanisms of action of some microtubule motors, and appears to have uncovered unforseen functional interactions between tubulin ...
D A, Skoufias, J M, Scholey
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Microtubule-based motor proteins
Current Opinion in Cell Biology, 1990Virtually all eukaryotes actively transport or position intracellular components (for example, chromosomes or membrane-bounded organelles), and some cells have developed means of moving through aqueous environments or on top of substrates. Such motile processes invob,'ed interactions between cytoskeletal fibers and 'motor' proteins that generate force ...
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The Mitochondrial Protein Import Motor
Biological Chemistry, 2000Mitochondrial proteins are synthesized as precursor proteins in the cytosol and are posttranslationally imported into the organelle. A complex system of translocation machineries recognizes and transports the precursor polypeptide across the mitochondrial membranes.
Strub, Andreas +3 more
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