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Cited by 309

The DOI matches its Crossref record; 107 of the 107 references it cites were found in a registry or an index.

ISMARA: automated modeling of genomic signals as a democracy of regulatory motifs

Open access
Balwierz, Piotr J., Pachkov, Mikhail, Arnold, Phil, Gruber, Andreas J., Zavolan, Mihaela, van Nimwegen, Erik·2014·Genome Research

Abstract

Accurate reconstruction of the regulatory networks that control gene expression is one of the key current challenges in molecular biology. Although gene expression and chromatin state dynamics are ultimately encoded by constellations of binding sites recognized by regulators such as transcriptions factors (TFs) and microRNAs (miRNAs), our understanding of this regulatory code and its context-dependent read-out remains very limited. Given that there are thousands of potential regulators in mammals, it is not practical to use direct experimentation to identify which of these play a key role for a particular system of interest. We developed a methodology that models gene expression or chromatin modifications in terms of genome-wide predictions of regulatory sites and completely automated it into a web-based tool called ISMARA (I ntegrated S ystem for M otif A ctivity R esponse A nalysis). Given only gene expression or chromatin state data across a set of samples as input, ISMARA identifies the key TFs and miRNAs driving expression/chromatin changes and makes detailed predictions regarding their regulatory roles. These include predicted activities of the regulators across the samples, their genome-wide targets, enriched gene categories among the targets, and direct interactions between the regulators. Applying ISMARA to data sets from well-studied systems, we show that it consistently identifies known key regulators ab initio. We also present a number of novel predictions including regulatory interactions in innate immunity, a master regulator of mucociliary differentiation, TFs consistently disregulated in cancer, and TFs that mediate specific chromatin modifications.

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Metadata

Authors
Balwierz, P. J., Pachkov, M., Arnold, P., Gruber, A. J., Zavolan, M., & van Nimwegen, E.
Venue
Genome Research
Published
2014-02-10
Volume
24
Issue
5
Pages
869-884
ISSN
1088-9051 (ISSN-L)
OpenAlex
W2115260093
Cited by
309
References
107
Type
posted content
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: ISMARA: automated modeling of genomic signals as a democracy of regulatory motifs. https://app.cochat.ai/papers/10.1101/gr.169508.113
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Balwierz, P. J., Pachkov, M., Arnold, P., Gruber, A. J., Zavolan, M., & van Nimwegen, E. (2014). ISMARA: automated modeling of genomic signals as a democracy of regulatory motifs. Genome Research. https://doi.org/10.1101/gr.169508.113

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