ε-tubulin is an essential component of the centriole

Susan K. Dutcher, Naomi S. Morrissette, Andrea M. Preble, Craig Rackley, John Stanga

Research output: Contribution to journalArticle

104 Scopus citations

Abstract

Centrioles and basal bodies are cylinders composed of nine triplet microtubule blades that play essential roles in the centrosome and in flagellar assembly. Chlamydomonas cells with the bld2-1 mutation fail to assemble doublet and triplet microtubules and have defects in cleavage furrow placement and meiosis. Using positional cloning, we have walked 720 kb and identified a 13.2-kb fragment that contains ε-tubulin and rescues the Bld2 defects. The bld2-1 allele has a premature stop codon and intragenic revertants replace the stop codon with glutamine, glutamate, or lysine. Polyclonal antibodies to ε-tubulin show peripheral labeling of full-length basal bodies and centrioles. Thus, ε-tubulin is encoded by the BLD2 allele and ε-tubulin plays a role 'in basal body/centriole morphogenesis.

Original languageEnglish
Pages (from-to)3859-3869
Number of pages11
JournalMolecular biology of the cell
Volume13
Issue number11
DOIs
StatePublished - Nov 1 2002

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    Dutcher, S. K., Morrissette, N. S., Preble, A. M., Rackley, C., & Stanga, J. (2002). ε-tubulin is an essential component of the centriole. Molecular biology of the cell, 13(11), 3859-3869. https://doi.org/10.1091/mbc.E02-04-0205