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Cell Struct Funct. 1993 Dec;18(6):371-7.

Isolation of two species of Chlamydomonas reinhardtii flagellar mutants, ida5 and ida6, that lack a newly identified heavy chain of the inner dynein arm.

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Department of Molecular Biology, School of Science, Nagoya University, Japan.


Two novel Chlamydomonas mutants, ida5 and ida6, that lack subsets of inner-arm dynein have been isolated and mapped to discrete loci on the right arm of linkage group XIV. Of the seven different inner-arm dynein subspecies (a, b, c, d, e, f and g) identified by ion-exchange chromatography, ida5 lacks a, c, d and e, while ida6 lacks e alone; these are the only mutants that have been shown to lack subspecies e. Both strains can swim, albeit more slowly than the wild type. Hence, subspecies e must contribute to flagellar movement although it is unnecessary for the generation of undulating movement.

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