Ad
related to: function of microtubules
Search results
Results From The WOW.Com Content Network
Another key function of the astral microtubules is to aid in cytokinesis. Astral microtubules interact with motor proteins at the cell membrane to pull the spindle and the entire cell apart once the chromosomes have been replicated. Interpolar/Polar microtubules are a class of microtubules which also radiate out from the centrosome during ...
Microtubules function in many essential cellular processes, including mitosis. Tubulin-binding drugs kill cancerous cells by inhibiting microtubule dynamics, which are required for DNA segregation and therefore cell division. [citation needed] In eukaryotes, there are six members of the tubulin superfamily, although not all are present in all ...
In cell biology, microtubule nucleation is the event that initiates de novo formation of microtubules (MTs). These filaments of the cytoskeleton typically form through polymerization of α- and β-tubulin dimers, the basic building blocks of the microtubule, which initially interact to nucleate a seed from which the filament elongates.
Micrograph showing condensed chromosomes in blue, kinetochores in pink, and microtubules in green during metaphase of mitosis. In cell biology, the spindle apparatus is the cytoskeletal structure of eukaryotic cells that forms during cell division to separate sister chromatids between daughter cells.
The function of astral microtubules can be generally considered as determination of cell geometry. They are absolutely required for correct positioning and orientation of the mitotic spindle apparatus , and are thus involved in determining the cell division site based on the geometry and polarity of the cells.
Instead, experts believe, microtubules perform incredible operations in the quantum realm. Citing the work of earlier researchers, the study infers that the same kind of quantum operations are ...
Tau proteins stabilize microtubules, and thus shift the reaction kinetics in favor of addition of new subunits, accelerating microtubule growth. Tau has the additional function of facilitating bundling of microtubules within the nerve cell. The function of tau has been linked to the neurological condition Alzheimer's disease.
The interaction between microtubules and the plasma membrane provide support, shape, and stability to the cell, as well as act as tracks for transporting materials within the cell. Overall, microtubular membranes are vital components of cellular organization and function.