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Microtubule-associated protein

Definition

noun

Any of the proteins bound to the tubulin subunits of the microtubules that promote polymerization and regulate the stability of the microtubular structure.


Supplement

The binding of the microtubule-associated protein to the tubulin leads to the polymerization of tubulins into microtubule. The proteins may detach from the tubulin through phosphorylation catalyzed by the microtubule-affinity-regulating-kinase (MARK) protein.


Abbreviation: MAP


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Question about DNA Replication and Protein Synthesis

During the S phase of the cell cycle, rates of protein synthesis are very low. The one exception is the synthesis of histones, of course. Also, during the M phase, microtubule assembly and centrosomal division must occur so tubulin must be rapidly synthesized. ...

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by aptitude
Sat Nov 05, 2011 5:31 am
 
Forum: Cell Biology
Topic: Question about DNA Replication and Protein Synthesis
Replies: 2
Views: 2326

Re: Unusual cell division- Identifying mutant protein and genes

... is a reversal of prophase and prometaphase events. It "cleans up" the after effects of mitosis. At telophase, the nonkinetochore microtubules continue to lengthen, elongating the cell even more. Corresponding sister chromosomes attach at opposite ends of the cell. A new nuclear ...

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by dharavsolanki
Sat Feb 19, 2011 3:07 pm
 
Forum: Molecular Biology
Topic: Unusual cell division- Identifying mutant protein and genes
Replies: 4
Views: 4629

Re: Experimental evidence for evolution

... in the wild and experimental, but I wont push my luck :) ) DNA directs protein synthesis. It also helps regulate the timing and expression of the ... formation during embryogenesis. For example, the shape and location of microtubules in the cytoskeleton influence the shape and form of embryos. ...

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by jevg
Thu Sep 23, 2010 4:15 pm
 
Forum: Evolution
Topic: Experimental evidence for evolution
Replies: 103
Views: 179674

Are all cilia "the same"?

for eukaryotic cilia and flagella, they have the same 9+2 microtubule structure, and the basal body structure of 9X3. they use the same protein motors. bacterial ones are different, however. They have different basal bodies consisting ...

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by plasmodesmata11
Tue Apr 20, 2010 5:31 pm
 
Forum: Cell Biology
Topic: Are all cilia "the same"?
Replies: 2
Views: 2834

Proteins in Mitosos and the Cell Cycle :)

APC/C and SCF are the ubiquitin-protein ligases for the cell cycle. They themselves ... the spindle formations, they are called MAPs (Microtubule Associated Protein(s)). Dimers of alpha and beta tubulin will ...

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by kolean
Mon Nov 30, 2009 3:10 pm
 
Forum: Cell Biology
Topic: Proteins in Mitosos and the Cell Cycle :)
Replies: 4
Views: 3210
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