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2017 ; 45
(3
): 1049-1058
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3D genome structure modeling by Lorentzian objective function
#MMPMID28180292
Trieu T
; Cheng J
Nucleic Acids Res
2017[Feb]; 45
(3
): 1049-1058
PMID28180292
show ga
The 3D structure of the genome plays a vital role in biological processes such as
gene interaction, gene regulation, DNA replication and genome methylation.
Advanced chromosomal conformation capture techniques, such as Hi-C and tethered
conformation capture, can generate chromosomal contact data that can be used to
computationally reconstruct 3D structures of the genome. We developed a novel
restraint-based method that is capable of reconstructing 3D genome structures
utilizing both intra-and inter-chromosomal contact data. Our method was robust to
noise and performed well in comparison with a panel of existing methods on a
controlled simulated data set. On a real Hi-C data set of the human genome, our
method produced chromosome and genome structures that are consistent with 3D FISH
data and known knowledge about the human chromosome and genome, such as,
chromosome territories and the cluster of small chromosomes in the nucleus center
with the exception of the chromosome 18. The tool and experimental data are
available at https://missouri.box.com/v/LorDG.