ArticleJournal of cell science2021
Structural organization of the C1b projection within the ciliary central apparatus.
Article in Journal of cell science, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed.
- JHY enables the transition from switchable to fixed ciliary waveforms in metazoan evolution.EMBO reports · 2026Article
- Changes in the Adenylate Kinase Activity are Proportional to the ADP/ATP Ratio Upon Resorption and Regeneration of Chlamydomonas reinhardtii Flagella.Cell biochemistry and biophysics · 2025Article
- Chlamydomonas FAP70 is a component of the previously uncharacterized ciliary central apparatus projection C2a.Journal of cell science · 2021Article
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Authors and funding
8 authors.
Funding
Abstract
Motile cilia have a '9+2' structure containing nine doublet microtubules and a central apparatus (CA) composed of two singlet microtubules with associated projections. The CA plays crucial roles in regulating ciliary motility. Defects in CA assembly or function usually result in motility-impaired or paralyzed cilia, which in humans causes disease. Despite their importance, the protein composition and functions of most CA projections remain largely unknown. Here, we combined genetic, proteomic and cryo-electron tomographic approaches to compare the CA of wild-type Chlamydomonas reinhardtii with those of three CA mutants. Our results show that two proteins, FAP42 and FAP246, are localized to the L-shaped C1b projection of the CA, where they interact with the candidate CA protein FAP413. FAP42 is a large protein that forms the peripheral 'beam' of the C1b projection, and the FAP246-FAP413 subcomplex serves as the 'bracket' between the beam (FAP42) and the C1b 'pillar' that attaches the projection to the C1 microtubule. The FAP246-FAP413-FAP42 complex is essential for stable assembly of the C1b, C1f and C2b projections, and loss of these proteins leads to ciliary motility defects.
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