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dynein at Biology News

Molecular Motors Cooperate In Moving Cellular Cargo, Study Shows

...ned. "We discovered that two molecular motors -- dynein and kinesin -- do not compete for control, even th...e a living cell. "Our measurements show that both dynein and kinesin carry the peroxisomes in a step-by-step fashion, moving about 8 nanometers per step," sa...

Marathon of nano-sprinters

...an be considered the fuel of the cell. Kinesin and dynein motors move along microtubules and myosins move along actin filaments. The step sizes of these motors are of the order of 10 nm. By stepping in a directed fash-ion along filaments, the motors pull cargo particles which are much larger than the mo-tor...

A new way of looking at molecular motors

...le, yeast uses six kinesins, five myosins, and one dynein while mammals have genes for more than 40 kinesins, 40 myosins and more than a dozen dyneins. Genetic and acquired defects in the motors cause disease by preventing developing cells from migrating to their necessary destinations before birth or by p...

Discovery of agile molecular motors could aid in treating motor neuron diseases

...f Nature Cell Biology. The proteins in this motor, dynein and dynactin, are the "long-distance truckers" of the cell: working together, they are responsible for transporting cellular cargo from the periphery of a cell toward its nucleus. "My lab concentrates on the cellular and genetic aspects of the dyn...

UNC scientists solve mystery of how largest cellular motor protein powers movement

... helps solve a scientific mystery: how the protein dynein fuels itself to perform cellular functions vital t...comprehensive and detailed molecular structure for dynein has kept scientists largely in the dark about how the protein converts ATP into mechanical force, sa...

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dynein at Biology Definition

Flagellum

... the flagellum's flexing is driven by the protein dynein bridging the microtubules all along its length and forcing them to slide relative to each other, and ATP must be transported to them for them to function. For information on biologists' ideas about how the various flagella may have evolved, see ev...

Dynein

...yneins can be divided into two groups: cytoplasmic dynein and axonemal dynein. The axonemal dynein acts to activate a sliding within flagellar microtubules , whereas the cytoplasmic dynein is impl...

Cilium

...core with two additional microtubule singlets and dynein motor proteins which are attached to the outer microtubule doublets. Biologists refer to this organization as a cononical "9 + 2" structure. The non-motile cilia do not have the two central microtubule singlets and do not have dyneins. This conf...
dynein at Biology Dictionary

Dynein

...ent. Full article >>> The axonemal dynein acts to activate a sliding within flagellar microtubules , whereas the cytoplasm ic dynein is implicated in moving toward the negative end of a microtubule. See also: Kinesin External links ...

Duplication

...n with a fragment from a homologous chromosome . dynein ... Full article >>> Duplication of a portion of chromosome 21 Rarely, a region of chromosome 21 will undergo a duplication event. This will lead to extra copies of some, but not all, of the genes on chromosome 21 (46,XX,dup...

Cilium

...on in a solution. Full article >>> dynein - a microtubule-dependent motor protein ; cytoplasm ic dynein s work in organelle trans port and mitosis , whereas the closely related ciliary dynein s are a...
dynein at Medicine News

Discovery of Agile Molecular Motors Could Aid in Treating Motor Neuron Diseases

...f Nature Cell Biology. The proteins in this motor, dynein and dynactin, are the “long-distance truckers” of the cell: working together, they are responsible for transporting cellular cargo from the periphery of a cell toward its nucleus. “My lab concentrates on the cellular and genetic aspects of the dyne...
dynein at Medicine Products
dynein at Medicine Technology
dynein at Medicine Dictionary

Sperm

...zoa. Electron microscopy of the CILIA shows that dynein arms are missing. Full article >>> A pair of ducts opening at one end into the uterus and at the other end into the peritoneal cavity , over the ovary . Each tube serves as a passage through which the ovum (egg) is carried to the...

Sinusitis

...zoa. Electron microscopy of the CILIA shows that dynein arms are missing. The disorders manifest as KARTAGENER SYNDROME , chronic respiratory disorders , chronic sinusitis , ... Full article >>> El atomizador viene en una botella de bomba que contiene nicotina para que las personas q...

Sinus

...zoa. Electron microscopy of the CILIA shows that dynein arms are missing. Full article >>> Rhinitis is an inflammation of the nasal mucosa (the mucous membrane that lines the nose and the sinus ), often due to an allergic reaction to pollen , dust or other airborne substances ( ...

Respiratory disorders

...zoa. Electron microscopy of the CILIA shows that dynein arms are missing. The disorders manifest as KARTAGENER SYNDROME , chronic respiratory disorders , ... Full article >>>...

Paranasal sinuses

...zoa. Electron microscopy of the CILIA shows that dynein arms are missing. Full article >>> The URI causes inflammation of the nasal passages that can block the opening of the paranasal sinuses , and result in a sinus infection . Full article >>> Sinusitis Inflammation of...

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