Michelle Ramsey and Brian D. Perkins Basal bodies exhibit polarized positioning in zebrafish cone photoreceptors Journal of Comparative Neurology 521
The basal bodies (yellow) of blue-sensitive cone photoreceptors of the adult zebrafish retina exhibit planar polarization. Planar positioning is often critical for cilia function but has not been well documented in primary cilia or in sensory cilia such as photoreceptors. These results document a novel aspect of cilia positioning in vertebrate cones that is present only in adults, indicating that cellular mechanisms exist to position cilia actively.
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