Evidence map›Paper›PMID 22689766›Full record

ArticleBioinformatics (Oxford, England)2012

Nonparametric Bayesian inference for perturbed and orthologous gene regulatory networks.

Christopher A Penfold, Vicky Buchanan-Wollaston, Katherine J Denby, David L Wild

Abstract read
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Article in Bioinformatics (Oxford, England), 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

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2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

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3 · Its place in the literature

Who cites it

21 citing papers in PubMed.

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  7. Temporal transcriptional logic of dynamic regulatory networks underlying nitrogen signaling and use in plants.Proceedings of the National Academy of Sciences of the United States of America · 2018
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  17. Topological sensitivity analysis for systems biology.Proceedings of the National Academy of Sciences of the United States of America · 2014
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  19. Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Christopher A PenfoldSystems Biology Centre, University of Warwick, Coventry, UK.
Vicky Buchanan-Wollaston
Katherine J Denby
David L Wild

Funding

Biotechnology and Biological Sciences Research Council BB/F005806/1Biotechnology and Biological Sciences Research Council BBS/E/H/00KD0273
6 · The paper itself

Abstract

motivationThe generation of time series transcriptomic datasets collected under multiple experimental conditions has proven to be a powerful approach for disentangling complex biological processes, allowing for the reverse engineering of gene regulatory networks (GRNs). Most methods for reverse engineering GRNs from multiple datasets assume that each of the time series were generated from networks with identical topology. In this study, we outline a hierarchical, non-parametric Bayesian approach for reverse engineering GRNs using multiple time series that can be applied in a number of novel situations including: (i) where different, but overlapping sets of transcription factors are expected to bind in the different experimental conditions; that is, where switching events could potentially arise under the different treatments and (ii) for inference in evolutionary related species in which orthologous GRNs exist. More generally, the method can be used to identify context-specific regulation by leveraging time series gene expression data alongside methods that can identify putative lists of transcription factors or transcription factor targets.

resultsThe hierarchical inference outperforms related (but non-hierarchical) approaches when the networks used to generate the data were identical, and performs comparably even when the networks used to generate data were independent. The method was subsequently used alongside yeast one hybrid and microarray time series data to infer potential transcriptional switches in Arabidopsis thaliana response to stress. The results confirm previous biological studies and allow for additional insights into gene regulation under various abiotic stresses. AVAILABILITY: The methods outlined in this article have been implemented in Matlab and are available on request.

Indexed as

Bayes TheoremGene Regulatory NetworksStatistics, NonparametricAlgorithmsArabidopsisGene Expression RegulationModels, TheoreticalTranscription FactorsTwo-Hybrid System TechniquesTranscription Factors

Identifiers

PMID22689766
PMCPMC3371854

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.