Table 2

Microtubule Behavior for Different MTOCs in Interphase Xenopus Egg Extracts

MTOCRate of microtubulereleaseMicrotubules/centrosome
Sperm aster (n = 7, 53.3 min)3.6 min87.0 ± 33.5
Sperm aster, 2 mg/ml anti-dynein (n = 4, 53.3 min)0/min>150
CHO centrosome (n = 7, 62.6 min)0.21/min26.7 ± 6.7