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Cited by 910

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Chromatin-state discovery and genome annotation with ChromHMM

Open access
Ernst, Jason, Kellis, Manolis·2017·Nature Protocols

Abstract

This protocol describes how to use ChromHMM, a robust open-source software package that enables the learning of chromatin states, annotates their occurrences across the genome, and facilitates their biological interpretation. Noncoding DNA regions have central roles in human biology, evolution, and disease. ChromHMM helps to annotate the noncoding genome using epigenomic information across one or multiple cell types. It combines multiple genome-wide epigenomic maps, and uses combinatorial and spatial mark patterns to infer a complete annotation for each cell type. ChromHMM learns chromatin-state signatures using a multivariate hidden Markov model (HMM) that explicitly models the combinatorial presence or absence of each mark. ChromHMM uses these signatures to generate a genome-wide annotation for each cell type by calculating the most probable state for each genomic segment. ChromHMM provides an automated enrichment analysis of the resulting annotations to facilitate the functional interpretations of each chromatin state. ChromHMM is distinguished by its modeling emphasis on combinations of marks, its tight integration with downstream functional enrichment analyses, its speed, and its ease of use. Chromatin states are learned, annotations are produced, and enrichments are computed within 1 d.

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Metadata

Authors
Ernst, J., & Kellis, M.
Venue
Nature Protocols
Published
2017-11-09
Volume
12
Issue
12
Pages
2478-2492
ISSN
  • 1750-2799 (ISSN-L)
  • 1754-2189
OpenAlex
W2768013244
Cited by
910
References
21
FWCI
15.53
Type
journal article
Language
en
Open access
green

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