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A second cytoplasmic dynein heavy chain (cDhc) has recently been identified in several organisms, and its expression pattern is consistent with a possible role in axoneme assembly. We have used a genetic approach to ask whether cDhc1b is involved in flagellar assembly in Chlamydomonas. Using a modified PCR protocol, we recovered two cDhc sequences distinct(More)
We have characterized a group of regulatory mutations that alter the activity of the outer dynein arms. Three mutations were obtained as suppressors of the paralyzed central pair mutant pf6 (Luck, D.J.L., and G. Piperno. 1989. Cell Movement. pp. 49-60), whereas two others were obtained as suppressors of the central pair mutant pfl6. Recombination analysis(More)
Flagellar motility is generated by the activity of multiple dynein motors, but the specific role of each dynein heavy chain (Dhc) is largely unknown, and the mechanism by which the different Dhcs are targeted to their unique locations is also poorly understood. We report here the complete nucleotide sequence of the Chlamydomonas Dhc1 gene and the(More)
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