The DYF-5 RCK and CDKL-1 CDKL5 Kinases Contribute Differentially to Shape Distinct Sensory Neuron Cilia Morphologies in
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The conserved CCRK, RCK, and CDKL5 kinases regulate cilia length in diverse organisms. In , DYF-18 CCRK regulates DYF-5 RCK to shape both simple and complex cilia morphologies. The CDKL5 ortholog CDKL-1 has also been suggested to act downstream of DYF-18 but independently of DYF-5 to regulate lengths of simple rod-like cilia. Here we show that CDKL-1 is largely dispensable for regulation of complex cilia structures. Using genetic epistasis experiments, we confirm that CDKL-1 and DYF-5 act independently to control cilia architecture. Our results indicate that multiple kinases act via distinct pathways to regulate unique cilia ultrastructures.
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