Proteomic Analysis Reveals CACN-1 Is a Component of the Spliceosome in Caenorhabditis elegans

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Proteomic Analysis Reveals CACN-1 Is a Component of the Spliceosome in Caenorhabditis elegans

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Title: Proteomic Analysis Reveals CACN-1 Is a Component of the Spliceosome in Caenorhabditis elegans
Author: Doherty, Michael F.; Adelmant, Guillaume; Cecchetelli, Alyssa D.; Marto, Jarrod A.; Cram, Erin J.

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Citation: Doherty, Michael F., Guillaume Adelmant, Alyssa D. Cecchetelli, Jarrod A. Marto, and Erin J. Cram. 2014. “Proteomic Analysis Reveals CACN-1 Is a Component of the Spliceosome in Caenorhabditis elegans.” G3: Genes|Genomes|Genetics 4 (8): 1555-1564. doi:10.1534/g3.114.012013. http://dx.doi.org/10.1534/g3.114.012013.
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Abstract: Cell migration is essential for embryonic development and tissue formation in all animals. cacn-1 is a conserved gene of unknown molecular function identified in a genome-wide screen for genes that regulate distal tip cell migration in the nematode worm Caenorhabditis elegans. In this study we take a proteomics approach to understand CACN-1 function. To isolate CACN-1−interacting proteins, we used an in vivo tandem-affinity purification strategy. Tandem-affinity purification−tagged CACN-1 complexes were isolated from C. elegans lysate, analyzed by mass spectrometry, and characterized bioinformatically. Results suggest significant interaction of CACN-1 with the C. elegans spliceosome. All of the identified interactors were screened for distal tip cell migration phenotypes using RNAi. Depletion of many of these factors led to distal tip cell migration defects, particularly a failure to stop migrating, a phenotype commonly seen in cacn-1 deficient animals. The results of this screen identify eight novel regulators of cell migration and suggest CACN-1 may participate in a protein network dedicated to high-fidelity gonad development. The composition of proteins comprising the CACN-1 network suggests that this critical developmental module may exert its influence through alternative splicing or other post-transcriptional gene regulation.
Published Version: doi:10.1534/g3.114.012013
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4132184/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:12785888
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