double-label immunofluorescence using tubulin and keratin antibodies showed that these centers codistributed with focal arrays of microtubules ( most likely centrosomes ) in interphase cells but were not colocalized with centrioles in mitosis or , in many cases , with the microtubule organizing centers seen after release from nocodazole treatment .
C0041348
tubulin
C0026046
microtubules