Microtubules are the largest type of filament, with a diameter of about 25 nanometers (nm), and they are composed of a protein called tubulin. Actin filaments are the smallest type, with a ...

In plants, both microtubule-associated proteins (MAPS) and viral movement proteins (MPs) interact with microtubules. Recently, a unique plant structural MAP has been cloned, which may have a ...

This is a metaphase in a human cervical carcinoma (HeLa) cell. Chromosomes are red and microtubules are green. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news ...