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 thebld2-1 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.
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Dates
Type | When |
---|---|
Created | 22 years, 9 months ago (Nov. 12, 2002, 2:42 p.m.) |
Deposited | 4 years, 3 months ago (May 30, 2021, 4:19 p.m.) |
Indexed | 4 weeks, 2 days ago (Aug. 2, 2025, 1:07 a.m.) |
Issued | 22 years, 10 months ago (Nov. 1, 2002) |
Published | 22 years, 10 months ago (Nov. 1, 2002) |
Published Print | 22 years, 10 months ago (Nov. 1, 2002) |
@article{Dutcher_2002, title={ε-Tubulin Is an Essential Component of the Centriole}, volume={13}, ISSN={1939-4586}, url={http://dx.doi.org/10.1091/mbc.e02-04-0205}, DOI={10.1091/mbc.e02-04-0205}, number={11}, journal={Molecular Biology of the Cell}, publisher={American Society for Cell Biology (ASCB)}, author={Dutcher, Susan K. and Morrissette, Naomi S. and Preble, Andrea M. and Rackley, Craig and Stanga, John}, editor={Salmon, Ted}, year={2002}, month=nov, pages={3859–3869} }