Keeping an eye on I1: I1 dynein as a model for flagellar dynein assembly and regulation
- PMID: 17549744
- DOI: 10.1002/cm.20211
Keeping an eye on I1: I1 dynein as a model for flagellar dynein assembly and regulation
Abstract
Among the major challenges in understanding ciliary and flagellar motility is to determine how the dynein motors are assembled and localized and how dynein-driven outer doublet microtubule sliding is controlled. Diverse studies, particularly in Chlamydomonas, have determined that the inner arm dynein I1 is targeted to a unique structural position and is critical for regulating the microtubule sliding required for normal ciliary/flagellar bending. As described in this review, I1 dynein offers additional opportunities to determine the principles of assembly and targeting of dyneins to cellular locations and for studying the mechanisms that regulate dynein activity and control of motility by phosphorylation.
(c) 2007 Wiley-Liss, Inc.
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