Comprehensive mapping of long-range interactions reveals folding principles of the human genome.
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...…chromosome conformation capture methodology, which crosslinks spatially close genomic loci together to derive information about overall genome packaging, imply the existence of large-scale topologically associated domains (TADs) in metazoan cells (Lieberman-Aiden et al., 2009; Dixon et al., 2012)....
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...While these types of chromatin are constrained in a linear sense to contiguous domains by boundary factors like CTCF, two chromatin domains that share common features and proteins are more likely to share spatial proximity with one another than two dissimilar but linearly adjacent loci are (Lieberman-Aiden et al., 2009; Rao et al., 2014)....
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...topologically associated domains (TADs) in metazoan cells (Lieberman-Aiden et al., 2009; Dixon et al., 2012)....
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...Interestingly, these domains interact with other domains in ways that correlate with the organization of genomes into active and repressed regions, or euchromatin vs. heterochromatin (Lieberman-Aiden et al., 2009; Rao et al., 2014)....
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...The resulting structure resembles a Peano curve, a continuous fractal trajectory that densely fills three-dimensional space without crossing itself (29)....
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"Comprehensive mapping of long-range..." refers background in this paper
...Power-law dependencies can arise from polymer-like behavior (24)....
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