Topological Organization of Multi-chromosomal Regions by Firre

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Topological Organization of Multi-chromosomal Regions by Firre

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Title: Topological Organization of Multi-chromosomal Regions by Firre
Author: Hacisuleyman, Ezgi; Goff, Loyal A.; Trapnell, Cole; Williams, Adam; Henao-Mejia, Jorge; Sun, Lei; McClanahan, Patrick; Hendrickson, David G.; Sauvageau, Martin; Kelley, David R.; Morse, Michael; Engreitz, Jesse; Lander, Eric S.; Guttman, Mitch; Lodish, Harvey F.; Flavell, Richard; Raj, Arjun; Rinn, John L.

Note: Order does not necessarily reflect citation order of authors.

Citation: Hacisuleyman, E., L. A. Goff, C. Trapnell, A. Williams, J. Henao-Mejia, L. Sun, P. McClanahan, et al. 2014. “Topological Organization of Multi-chromosomal Regions by Firre.” Nature structural & molecular biology 21 (2): 198-206. doi:10.1038/nsmb.2764. http://dx.doi.org/10.1038/nsmb.2764.
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Abstract: RNA is known to be an abundant and important structural component of the nuclear matrix, including long noncoding RNAs (lncRNA). Yet the molecular identities, functional roles, and localization dynamics of lncRNAs that influence nuclear architecture remain poorly understood. Here, we describe one lncRNA, Firre, that interacts with the nuclear matrix factor hnRNPU, through a 156 bp repeating sequence and Firre localizes across a ~5 Mb domain on the X-chromosome. We further observed Firre localization across at least five distinct trans-chromosomal loci, which reside in spatial proximity to the Firre genomic locus on the X-chromosome. Both genetic deletion of the Firre locus or knockdown of hnRNPU resulted in loss of co-localization of these trans-chromosomal interacting loci. Thus, our data suggest a model in which lncRNAs such as Firre can interface with and modulate nuclear architecture across chromosomes.
Published Version: doi:10.1038/nsmb.2764
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3950333/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:12785789
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