Multivalent BBSome-IFT proximities support IFT-A-IFT-B coordination in vivo
Intraflagellar transport (IFT) depends on coordinated movement of IFT-A and IFT-B, yet how these assemblies remain coupled within dynamic ciliary trains is unclear. Here, we combine endogenous fluorescent knock-in tagging, quantitative in vivo FLIM-FRET, structural modeling, and targeted mutagenesis to define IFT organization in C. elegans and mammalian cells. FLIM-FRET mapping identifies…
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