Primary cilia are ubiquitous sensory organelles that mediate diverse signaling pathways. Cilia position on the cell surface is determined by the location of the basal body (BB) that templates the cilium. The mechanisms that regulate BB positioning in the context of ciliogenesis are largely unknown. Here we show that the conserved signaling and scaffolding protein Girdin localizes to the proximal regions of centrioles and regulates BB positioning and ciliogenesis in Caenorhabditis elegans sensory neurons and human RPE-1 cells. Girdin depletion alters localization of the intercentriolar linker and ciliary rootlet component rootletin, and rootletin knockdown in RPE-1 cells mimics Girdin-dependent phenotypes. C. elegans Girdin also regulates localization of the apical junction component AJM-1, suggesting that in nematodes Girdin may position BBs via rootletin- and AJM-1-dependent anchoring to the cytoskeleton and plasma membrane, respectively. Together, our results describe a conserved role for Girdin in BB positioning and ciliogenesis.
This research output has an Altmetric Attention Score of 8. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 21 September 2016.
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#4,831,608
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Outputs from Developmental Cell
#1,843
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#75,919
of 348,376 outputs
Outputs of similar age from Developmental Cell
#42
of 68 outputs
Altmetric has tracked 25,374,647 research outputs across all sources so far. Compared to these this one has done well and is in the 80th percentile: it's in the top 25% of all research outputs ever tracked by Altmetric.
So far Altmetric has tracked 4,318 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 17.0. This one has gotten more attention than average, scoring higher than 57% of its peers.
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