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Comparative Study
. 1993 Jun 15;90(12):5519-23.
doi: 10.1073/pnas.90.12.5519.

A motility in the eukaryotic flagellum unrelated to flagellar beating

K G Kozminski  1 , K A Johnson, P Forscher, J L Rosenbaum
Affiliations
Comparative Study

A motility in the eukaryotic flagellum unrelated to flagellar beating

K G Kozminski et al. Proc Natl Acad Sci U S A. .

Abstract

We report a motility in the flagella of the green alga Chlamydomonas that is unrelated to dynein-based flagellar beating. This motility, referred to as intraflagellar transport, was observed as the rapid bidirectional movement of granule-like particles along the length of the flagella. Intraflagellar transport could be experimentally separated from other, previously reported, nonbeat flagellar motilities. EM of flagella showed groups of nonvesicular, lollipop-shaped structures positioned between the outer doublet microtubules and the flagellar membrane. Movement of these complexes along the length of the flagella may be responsible for intraflagellar transport.

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