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DNA replication-timing boundaries separate stable chromosome domains with cell-type-specific functions

GSE51334 Homo sapiens (human) Other 993 samples Submitted 2014/11/20 Platform GPL5648Platform GPL5668Platform GPL14965Platform GPL9973Platform GPL15656Platform GPL5729Platform GPL5646Platform GPL5666Platform GPL11620Platform GPL8840Platform GPL9052Platform GPL9115Platform GPL11154Platform GPL13112Platform GPL5669Platform GPL15651Platform GPL9250Platform GPL9156Platform GPL10999Platform GPL15436Platform GPL5649Platform GPL15225Platform GPL9185Platform GPL5644Platform GPL5667
At a glance

human · 993 samples

Organism
Homo sapiens (human)
Samples
993 samples: 356 distinct titles, 37 of them repeatedGroups are read from the sample names, not from the paper. Check the list below.
Data you can get
A processed table (series matrix) and supplementary files from NCBI.
Summary (written by the submitters)
Eukaryotic chromosomes replicate in a temporal order known as the replication-timing program. In mammals, replication timing is cell type-specific with at least half the genome switching replication timing during development, primarily in units of 400-800 kilobases ('replication domains;), whose positions are preserved in different cell types, conserved between species, and appear to confine long-range effects of chromosome rearrangements.
Read the full summary ↓
Early and late replication correlate, respectively, with open and closed three-dimensional chromatin compartments identified by high-resolution chromosome conformation capture (Hi-C), and, to a lesser extent, late replication correlates with lamina-associated domains (LADs). Recent Hi-C mapping has unveiled substructure within chromatin compartments called topologically associating domains (TADs) that are largely conserved in their positions between cell types and are similar in size to replication domains. However, TADs can be further sub-stratified into smaller domains, challenging the significance of structures at any particular scale.Moreover, attempts to reconcile TADs and LADs to replication-timing data have not revealed a common, underlying domain structure. Here we localize boundaries of replication domains to the early-replicating border of replication-timing transitions and map their positions in 18 human and 13 mouse cell types. We demonstrate that, collectively, replication domain boundaries share a near one-to-one correlation with TAD boundaries, whereas within a cell type, adjacent TADs that replicate at similar times obscure replication domain boundaries, largely accounting for the previously reported lack of alignment. Moreover, cell-type-specific replication timing of TADs partitions the genome into two large-scale sub-nuclear compartments revealing that replication-timing transitions are indistinguishable from late-replicating regions in chromatin composition and lamina association and accounting for the reduced correlation of replication timing to LADs and heterochromatin. Our results reconcile cell-type-specific sub-nuclear compartmentalization and replication timing with developmentally stable structural domains and offer a unified model for large-scale chromosome structure and function.
This dataset
Download · which file do I need?

Direct links to NCBI, no account and no request form. Pick by what you want to do: take the small processed table to look, the supplementary files to re-analyse, or the original raw data to start over.

1 · Just have a look

Processed table

The series matrix: one table of values per sample as the submitters processed it. The smallest download, and it opens in Excel or R. Start here to see what the data look like.

2 · Re-analyse it

Supplementary files

The count tables and other files the authors uploaded. Take only the samples you need.

All supplementary files ↗
3 · The original raw files

Whole study · RAW.tar

Everything the authors deposited as one archive (GSE51334_RAW.tar), including the raw array or instrument files. Can be large; the picker in step 2 takes just the samples you need.

Also filed as BioProject PRJNA267243. Searching any of these in the dataset finder brings you back here.

Study design
356 distinct titles, 37 of them repeated
Bernstein_HSMM_H3K4me ×3 Bernstein_NHLF_H3K4me ×3 Bernstein_K562_H3K4me ×3 Bernstein_H1-hESC_H3K4me ×3 Bernstein_HUVEC_H3K4me ×3 Bernstein_NHEK_H3K4me ×3 Bernstein_GM12878_H3K4me ×3 Embryonic Stem Cell LaminB1 ×2 +29 more

How we read this: Read from the first 400 of 993 sample titles: 356 distinct titles with little repetition. These groups are guessed from the sample names, not taken from the paper, so check them against the sample list below before relying on them.

Samples in this study

+ 953 more — browse all 993 samples with per-sample file links →

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