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Fig. 3 | Cilia

Fig. 3

From: The Drosophila homologue of Rootletin is required for mechanosensory function and ciliary rootlet formation in chordotonal sensory neurons

Fig. 3

Rootletin knock-down results in loss of rootlet and proximal centriole. Transmission electron microscopy of Ch neuron dendrites in the adult antenna (Johnston’s organ). ac Wild type. a Longitudinal section of cilium base showing the proximal centriole (black arrow, pc) and a robust ciliary rootlet structure (black arrow, cr). b Longitudinal section of cilium showing the axoneme (ax), distal centriole (dc), proximal centriole (pc), and ciliary rootlet (cr). c Transverse section of cilium at a level proximal to the ciliary dilation. Regular axonemal ninefold symmetry is visible. df Rootletin knock-down. d, e Two examples of longitudinal sections labelled as before. Note the lack of ciliary rootlet structure and the proximal centriole. Instead, electron-dense aggregates are visible, possibly representing remains of the ciliary rootlet (*cr). f Transverse section at a level proximally to the ciliary dilation. Regular axonemal ninefold symmetry is apparent

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