Cited by 15Genetic and Kidney Cyst DiseasesCystic Fibrosis Research AdvancesMicrotubule and mitosis dynamics

Microtubule binding protein PACRG plays a role in regulating specific ciliary dyneins during microtubule sliding

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Mizuno, Katsutoshi, Dymek, Erin E., Smith, Elizabeth F.·2016·Cytoskeleton

Abstract

The complex waveforms characteristic of motile eukaryotic cilia and flagella are produced by the temporally and spatially regulated action of multiple dynein subforms generating sliding between subsets of axonemal microtubules. Multiple protein complexes have been identified that are associated with the doublet microtubules and that mediate regulatory signals between key axonemal structures, such as the radial spokes and central apparatus, and the dynein arm motors; these complexes include the N‐DRC, MIA, and CSC complexes. Previous studies have shown that PACRG (parkin co‐regulated gene) forms a complex that is anchored to the axonemal doublet microtubules. Loss of PACRG causes defects in ciliary motility and cilia related diseases. Here, we use an in vitro microtubule sliding assay to demonstrate that PACRG and its interactors are part of a signaling pathway that includes the central apparatus, radial spokes and specific inner dynein arm subforms to control dynein‐driven microtubule sliding. Using a biochemical approach, our studies also indicate that PACRG interacts with the radial spokes. © 2016 Wiley Periodicals, Inc.

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Authors
Mizuno, K., Dymek, E. E., & Smith, E. F.
Affiliations
  • RIKEN (JP)
  • Dartmouth College (US)
Corresponding author
Smith, Elizabeth F.
Venue
Cytoskeleton
Publisher
Wiley
Published
2016-11-08
Volume
73
Issue
12
Pages
703-711
ISSN
  • 1949-3584 (ISSN-L)
  • 1949-3592
OpenAlex
W2540401801
Cited by
15
References
46
Citations by year
2024: 1 · 2022: 1 · 2021: 1 · 2020: 1 · 2019: 5 · 2018: 6
FWCI
2.96
Type
journal article
Language
en
Open access
Locations
  • Cytoskeleton (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Postdoctoral Fellowships for Research Abroad from the Japan Society for the Promotion of Science
  • NIH (RO1GM112050)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic and Kidney Cyst Diseases
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Cystic Fibrosis Research Advances
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Microtubule and mitosis dynamics
Keywords
PACRG, ciliary dynein, microtubule sliding, axoneme, radial spokes, ciliary motility, doublet microtubules
MeSH terms
Cilia, Microtubule-Associated Proteins, Microtubules, Plant Proteins, Chlamydomonas reinhardtii, Molecular Chaperones

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