Abstract

Intraflagellar transport (IFT) involves the coordinated transport of molecular motors and other proteins and is required for ciliogenesis and ciliary maintenance. The C. elegans IFT protein OSM-5 /IFT88 is expressed in a majority of the ciliated neurons in the animal, and osm-5 mutants exhibit structurally defective cilia. The osm-5 promoter is commonly used to express genetic constructs in the ciliated neurons. In this study, we show that brightness of osm-5p- driven constructs is altered in mutants of the tubulin deglutamylase ccpp-1 and the NIMA-related kinase nekl-4 . This raises the possibility that osm-5 expression levels may be regulated by ccpp-1 and nekl-4 .

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