The amazing evolutionary complexity of eukaryotic tubulins: lessons from naegleria and the multi-tubulin hypothesis

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SUMMARY

    The audience was respectful, but the hypothesis was counter to the widely accepted, sensible hypothesis that tubulin was tubulin, and a pool of tubulin subunits were drawn upon to assemble microtubules for different uses, such as for mitosis and for assembling flagellar axonemes (references in Fulton and Simpson, 1976). Among the Myxomycetes in the Amoebozoa group, some individual species like Physarum polycephalum employ open mitosis with centrioles as cell centers in their singlecelled amoeboid phase, but closed mitoses without centrioles in their syncytial "slime mold" phase (Fulton, 1970, p 388; Solnica-Krezel et_al, 1991 . . .

     

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