Microtubules perform essential and diverse functions in eukaryotic cells. They are required for spindles during mitosis and meiosis, for axonal transport, for organelle positioning, and for cilia and flagella. γ-tubulin is necessary to initiate the assembly of α-β tubulin heterodimers into microtubule polymers. Recent genetic analyses and database searches have added four new members of the tubulin superfamily, which now includes α-, β-, γ-, δ-, ε-, ζ-, and η-tubulin.

Original languageEnglish
Pages (from-to)49-54
Number of pages6
JournalCurrent Opinion in Cell Biology
Issue number1
StatePublished - 2001


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