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Schibler MJ, Huang B: The colR4 and colR15 beta-tubulin mutations in Chlamydomonas reinhardtii confer altered sensitivities to microtubule inhibitors and herbicides by enhancing microtubule stability. J Cell Biol. 1991 May;113(3):605-14.
The colR4 and colR15 mutants have been found to be cross resistant to vinblastine and several classes of antimitotic herbicides, including the dinitroanilines (oryzalin, trifluralin, profluralin, and ethafluralin); the phosphoric amide amiprophos methyl; and the dimethyl propynl benzamide pronamide.
Although wild-type like in their growth characteristics, the colR4 and colR15 mutants were found to have an altered pattern of microtubules containing acetylated alpha-tubulin, a posttranslational modification that has been associated with stable subsets of microtubules found in a variety of cells. |
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