Comparative RNAi Screening Identifies a Conserved Core Metazoan Actinome by Phenotype

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Comparative RNAi Screening Identifies a Conserved Core Metazoan Actinome by Phenotype

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Title: Comparative RNAi Screening Identifies a Conserved Core Metazoan Actinome by Phenotype
Author: Rohn, Jennifer L.; Sims, David; Fedorova, Marina; Schöck, Frieder; Dopie, Joseph; Vartiainen, Maria K.; Kiger, Amy A.; Baum, Buzz; Liu, Tao; Perrimon, Norbert

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Citation: Rohn, Jennifer L., David Sims, Tao Liu, Marina Fedorova, Frieder Schöck, Joseph Dopie, Maria K. Vartiainen, Amy A. Kiger, Norbert Perrimon, and Buzz Baum. 2011. Comparative RNAi screening identifies a conserved core metazoan actinome by phenotype. The Journal of Cell Biology 194(5): 789-805.
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Abstract: Although a large number of actin-binding proteins and their regulators have been identified through classical approaches, gaps in our knowledge remain. Here, we used genome-wide RNA interference as a systematic method to define metazoan actin regulators based on visual phenotype. Using comparative screens in cultured Drosophila and human cells, we generated phenotypic profiles for annotated actin regulators together with proteins bearing predicted actin-binding domains. These phenotypic clusters for the known metazoan "actinome" were used to identify putative new core actin regulators, together with a number of genes with conserved but poorly studied roles in the regulation of the actin cytoskeleton, several of which we studied in detail. This work suggests that although our search for new components of the core actin machinery is nearing saturation, regulation at the level of nuclear actin export, RNA splicing, ubiquitination, and other upstream processes remains an important but unexplored frontier of actin biology.
Published Version: doi:10.1083/jcb.201103168
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3171124/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:10336864
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