Mitchison-Kirschner 1984: microtubules stochastically switch between growth (rescue) and shrinkage (catastrophe) at plus ends. GTP-cap hydrolysis triggers catastrophe; GTP-tubulin regrowth → rescue.
Mitchison-Kirschner 1984: microtubules stochastically switch between growth (rescue) and shrinkage (catastrophe) at plus ends. GTP-cap hydrolysis triggers catastrophe; GTP-tubulin regrowth → rescue.